Instant chat, videoconferencing, voice calling, file transfer, desktop sharing, and web conferencing are all part of the latest set of unified communication and collaboration (UCC) tools, which can significantly reduce communication and collaboration costs. And your WLAN should understand all these different traffic flows, report on call quality, support high-definition data transfer for video, and more. Hear about best practices for app-level configuration and learn how to get your Aruba WLAN ready for Microsoft Skype for Business, and several other enterprise and commercial grade UCC apps.
Although Aruba makes it easy to choose the best WLAN architecture to fit your IT and business needs, it's vital to sort through some critical predeployment issues before you get started. Join us to review the latest product and architectural options from Aruba as well as validated WLAN design best practices. This session includes in-depth coverage of Aruba Instant and Aruba Mobility Controllers.
9.) audio video ethernet (avb cobra net dante)Jeff Green
Replacing a crossbar switch with ‘virtual’ IP packet switching - The ability to expand video-over-IP systems ‘one piece at a time’ and the decentralized nature of the matrix makes the technology very compelling for any size or scope of AV project.. AV-over-IP is the transport of AV signals over a standard Ethernet network, including…
HD Video (e.g. HDMI, DVI)
Audio
Control Signals (e.g. IR)
Peripheral Signals (e.g. USB)
Does Dante require special switches? No. We strongly recommend that Gigabit switches be used due to the clear advantages in performance and scalability.
Does Dante require a dedicated network infrastructure? No, a dedicated network infrastructure is not required. Dante-enabled devices can happily coexist with other equipment making use of the network, such as general purpose PCs sending and receiving email and other data.
Does Dante require any special network infrastructure? No, special network infrastructure is not required. Since Dante is based upon universally accepted networking standards, Dante-enabled devices can be connected using inexpensive off-the-shelf Ethernet switches and cabling.
What features are important when purchasing a switch? Dante makes use of standard Voice over IP (VoIP) Quality of Service (QoS) switch features, to prioritize clock sync and audio traffic over other network traffic. VoIP QoS features are available in a variety of inexpensive and enterprise Ethernet switches. Any switches with the following features should be appropriate for use with Dante:
Gigabit ports for inter-switch connections
Quality of Service (QoS) with 4 queues
Diffserv (DSCP) QoS, with strict priority
Totally new to AV over IT? This may help. If you have worked with any of the popular protocols, your time is better spent in other sessions. AV over IT methods vary in application of OSI model. Audio Networking - One RJ45 and CAT5 cable for dozens of signal paths. Switches can provide hardware time stamping which allows synchronization, offsets, and corrections. All covered in IEEE 1588.
Ethernet Timing & Priority Standards - All audio over Ethernet protocols require Priority, Sequence, & Sync
Differentiated Services / Quality of Service (DiffServ, QoS)
Priority by data type (Clock Sync and Audio Packets over Email)
Traffic prioritized based upon tags in IP Header (Layer 3)
Priority number assigned by manage switch to each packet
Real-time Transport Protocol (RTP)
Keeps data sequenced in the right order
Time stamp on UDP header
Works with RTCP (Real Time Control Protocol) for QoS and Sync
Variation: RTSP (Real Time Streaming Protocol) works on TCP and not UDP
Does not reserve resources or provide for quality of service
Precision Timing Protocol (PTP)
IEEE 1588
Sub-microsecond accuracy to synchronize subnets
Layer 2 - Switches provide hardware-based time stamping
Sometimes we all need to go back to basics and remind ourselves the essential details on Wi-Fi technology. Join us in this session to learn more about 802.11n/11ac standards, rate vs range, legacy and 11n/11ac co-existence and more.
To learn more, visit us at http://www.arubanetworks.com/wlan. Join the discussion at https://community.arubanetworks.com
OSINT RF Reverse Engineering by Marc NewlinEC-Council
IoT devices frequently include obscure RF transceivers with little or no documentation, which can hinder the reverse engineering research process. Fortunately, regulatory bodies like the United States’ FCC contain a wealth of useful information.
In order to certify wireless devices for sale in different markets, manufacturers must submit their products to test labs which evaluate the behavior of their RF emissions. The test reports often contain detailed physical layer operating characteristics, including RF channels, modulation, and frequency hopping behavior.
By translating regulatory test reports into GNU Radio flow graphs, a researcher is able to focus their efforts on understanding packet formats and protocol behavior instead of grinding away at the physical layer. In this talk, I will discuss the techniques I used while researching the MouseJack vulnerabilities, which allowed me to expedite the process of evaluating a large number of vulnerable devices.
Talk Outline
Overview of various regulatory bodies (FCC, KCC/MSIP, IC, etc), and the data they make publicly available
Discussion of the official and third party tools to query regulatory bodies for specific device information
Using internal device photos from regulatory bodies to identify transceiver part numbers
Using test reports to identify physical layer operating characteristics
Building a GNU Radio flow graph based on information gathered from regulatory test reports or transceiver spec sheets
Sniffing device traffic, inferring operating behavior, and building out a model of the device communication protocol
Instant chat, videoconferencing, voice calling, file transfer, desktop sharing, and web conferencing are all part of the latest set of unified communication and collaboration (UCC) tools, which can significantly reduce communication and collaboration costs. And your WLAN should understand all these different traffic flows, report on call quality, support high-definition data transfer for video, and more. Hear about best practices for app-level configuration and learn how to get your Aruba WLAN ready for Microsoft Skype for Business, and several other enterprise and commercial grade UCC apps.
Although Aruba makes it easy to choose the best WLAN architecture to fit your IT and business needs, it's vital to sort through some critical predeployment issues before you get started. Join us to review the latest product and architectural options from Aruba as well as validated WLAN design best practices. This session includes in-depth coverage of Aruba Instant and Aruba Mobility Controllers.
9.) audio video ethernet (avb cobra net dante)Jeff Green
Replacing a crossbar switch with ‘virtual’ IP packet switching - The ability to expand video-over-IP systems ‘one piece at a time’ and the decentralized nature of the matrix makes the technology very compelling for any size or scope of AV project.. AV-over-IP is the transport of AV signals over a standard Ethernet network, including…
HD Video (e.g. HDMI, DVI)
Audio
Control Signals (e.g. IR)
Peripheral Signals (e.g. USB)
Does Dante require special switches? No. We strongly recommend that Gigabit switches be used due to the clear advantages in performance and scalability.
Does Dante require a dedicated network infrastructure? No, a dedicated network infrastructure is not required. Dante-enabled devices can happily coexist with other equipment making use of the network, such as general purpose PCs sending and receiving email and other data.
Does Dante require any special network infrastructure? No, special network infrastructure is not required. Since Dante is based upon universally accepted networking standards, Dante-enabled devices can be connected using inexpensive off-the-shelf Ethernet switches and cabling.
What features are important when purchasing a switch? Dante makes use of standard Voice over IP (VoIP) Quality of Service (QoS) switch features, to prioritize clock sync and audio traffic over other network traffic. VoIP QoS features are available in a variety of inexpensive and enterprise Ethernet switches. Any switches with the following features should be appropriate for use with Dante:
Gigabit ports for inter-switch connections
Quality of Service (QoS) with 4 queues
Diffserv (DSCP) QoS, with strict priority
Totally new to AV over IT? This may help. If you have worked with any of the popular protocols, your time is better spent in other sessions. AV over IT methods vary in application of OSI model. Audio Networking - One RJ45 and CAT5 cable for dozens of signal paths. Switches can provide hardware time stamping which allows synchronization, offsets, and corrections. All covered in IEEE 1588.
Ethernet Timing & Priority Standards - All audio over Ethernet protocols require Priority, Sequence, & Sync
Differentiated Services / Quality of Service (DiffServ, QoS)
Priority by data type (Clock Sync and Audio Packets over Email)
Traffic prioritized based upon tags in IP Header (Layer 3)
Priority number assigned by manage switch to each packet
Real-time Transport Protocol (RTP)
Keeps data sequenced in the right order
Time stamp on UDP header
Works with RTCP (Real Time Control Protocol) for QoS and Sync
Variation: RTSP (Real Time Streaming Protocol) works on TCP and not UDP
Does not reserve resources or provide for quality of service
Precision Timing Protocol (PTP)
IEEE 1588
Sub-microsecond accuracy to synchronize subnets
Layer 2 - Switches provide hardware-based time stamping
Sometimes we all need to go back to basics and remind ourselves the essential details on Wi-Fi technology. Join us in this session to learn more about 802.11n/11ac standards, rate vs range, legacy and 11n/11ac co-existence and more.
To learn more, visit us at http://www.arubanetworks.com/wlan. Join the discussion at https://community.arubanetworks.com
OSINT RF Reverse Engineering by Marc NewlinEC-Council
IoT devices frequently include obscure RF transceivers with little or no documentation, which can hinder the reverse engineering research process. Fortunately, regulatory bodies like the United States’ FCC contain a wealth of useful information.
In order to certify wireless devices for sale in different markets, manufacturers must submit their products to test labs which evaluate the behavior of their RF emissions. The test reports often contain detailed physical layer operating characteristics, including RF channels, modulation, and frequency hopping behavior.
By translating regulatory test reports into GNU Radio flow graphs, a researcher is able to focus their efforts on understanding packet formats and protocol behavior instead of grinding away at the physical layer. In this talk, I will discuss the techniques I used while researching the MouseJack vulnerabilities, which allowed me to expedite the process of evaluating a large number of vulnerable devices.
Talk Outline
Overview of various regulatory bodies (FCC, KCC/MSIP, IC, etc), and the data they make publicly available
Discussion of the official and third party tools to query regulatory bodies for specific device information
Using internal device photos from regulatory bodies to identify transceiver part numbers
Using test reports to identify physical layer operating characteristics
Building a GNU Radio flow graph based on information gathered from regulatory test reports or transceiver spec sheets
Sniffing device traffic, inferring operating behavior, and building out a model of the device communication protocol
This slide contains fundamental concept about Quality of Service (QoS) technology and various types of Queuing Methods, according to the latest version of Cisco books (CCIE R&S and CCIE SP) and i taught it at IRAN TIC company.
Audio video ethernet (avb cobra net dante)Jeff Green
AVB fits low-cost, small-form-factor products such as this microphone. The overall trend is that music no longer lives on shelves or in CD racks, but in hard drives in home computers, and increasingly in the cloud. This brings about its own unique problems, not in the encoding system used, or the storage technology, but in distributing the audio from the storage media to the speakers. AVB features are all enabled by a global and port level configuration. Connecting these elements is the AVB-enabled switch (in the graphic above, the Extreme Networks® Summit® X440.) The role of the switch is to provide support for the control protocols: AVB is Ethernet’s next stage of convergence, delivering pitch perfect audio and crystal clear video seamlessly over the network
IP/Ethernet is bringing simplicity and features to audio and video as it has brought to services like VoIP, Storage and many more
High quality, perfectly synchronized A/V until now has been difficult to maintain
Standards work by the IEEE and the AVB standard changes everything, creating interoperability and mass-marketing equipment pricing
Benefits of AVB - Delivers predictable latency and precise synchronization, maximizing the functionality of AV – time synchronization and quality or service
Reduced complexity and Ease of use through interoperability between devices
Streamlines complex network set-up and management, the Infrastructure negotiates and manages the network for optimal prioritized media transport
AV traffic can co-exist with non-AV traffic on same Ethernet infrastructure
Role based control at the XYZ Account - XYZ Account can identify devices and apply policies based on device type all the way down to the port and or the AP. Policies can dynamically change based on the device a user is connecting with and where that user is located. Extreme Networks provides infrastructure to deliver customizable prioritization and scalable capacity via configurable and built-in intelligence, ensuring a comprehensive, superior quality experience. Furthermore, when deployed with Extreme Wireless XYZ Account can configure the network to ensure applications receive the bandwidth they require, while still limiting or preventing high speed streaming of music of video or even games.
VoLTE Flows and legacy CS network. Basic call routing to and from CS network using BGCF, MGCF, MGW. ENUM role in routing. IMS Cetralized Services (IMC) and SRVCC scenarios.
Open Connect Firmware Delivery With Spinnaker (Spinnaker Summit 2018)Asher Feldman
Netflix Open Connect is the worlds most advanced CDN. Netflix now leverages Spinnaker to deliver firmware updates (encompassing low-level hardware firmware updates, FreeBSD, and the app stack) to Open Connect Appliance servers at thousands of POPs across the world. This talk from Spinnaker Summit 2018 in Seattle, WA explores how we extended Spinnaker to handle this mission-critical bare-metal delivery use case.
Qualcomm centriq 2400 hot chips final submission correctedDileep Bhandarkar
World's 1st 10 nm Server Chip
QDT-designed custom core powering Qualcomm Centriq2400 Processor
5thgeneration custom core design
Designed from the ground up to meet the needs of cloud service providers
Fully ARMv8-compliant
AArch64 only
Supports EL3 (TrustZone) and EL2 (hypervisor)
•
Includes optional cryptography acceleration instructions
AES, SHA1, SHA2-256
Designed for performance, optimized for power
VNIX-NOG 2023: State of RPKI in APAC - Cleaning up invalidsAPNIC
APNIC Training Delivery Manager Shane Hermoso presents on the status of RPKI deployment in the Asia Pacific and the importance of cleaning up invalids at VNIX-NOG 2023, Da Lat, Viet Nam from 5 to 6 October 2023.
Serial ATA (SATA) is a computer bus interface that connects host bus adapters to mass storage devices such as hard disk drives and optical drives. Serial ATA replaces the older AT Attachment standard (later referred to as Parallel ATA or PATA), offering several advantages over the older interface: reduced cable size and cost (seven conductors instead of 40 or 80), native hot swapping, faster data transfer through higher signalling rates, and more efficient transfer through an (optional) I/O queuing protocol.
This slide contains fundamental concept about Quality of Service (QoS) technology and various types of Queuing Methods, according to the latest version of Cisco books (CCIE R&S and CCIE SP) and i taught it at IRAN TIC company.
Audio video ethernet (avb cobra net dante)Jeff Green
AVB fits low-cost, small-form-factor products such as this microphone. The overall trend is that music no longer lives on shelves or in CD racks, but in hard drives in home computers, and increasingly in the cloud. This brings about its own unique problems, not in the encoding system used, or the storage technology, but in distributing the audio from the storage media to the speakers. AVB features are all enabled by a global and port level configuration. Connecting these elements is the AVB-enabled switch (in the graphic above, the Extreme Networks® Summit® X440.) The role of the switch is to provide support for the control protocols: AVB is Ethernet’s next stage of convergence, delivering pitch perfect audio and crystal clear video seamlessly over the network
IP/Ethernet is bringing simplicity and features to audio and video as it has brought to services like VoIP, Storage and many more
High quality, perfectly synchronized A/V until now has been difficult to maintain
Standards work by the IEEE and the AVB standard changes everything, creating interoperability and mass-marketing equipment pricing
Benefits of AVB - Delivers predictable latency and precise synchronization, maximizing the functionality of AV – time synchronization and quality or service
Reduced complexity and Ease of use through interoperability between devices
Streamlines complex network set-up and management, the Infrastructure negotiates and manages the network for optimal prioritized media transport
AV traffic can co-exist with non-AV traffic on same Ethernet infrastructure
Role based control at the XYZ Account - XYZ Account can identify devices and apply policies based on device type all the way down to the port and or the AP. Policies can dynamically change based on the device a user is connecting with and where that user is located. Extreme Networks provides infrastructure to deliver customizable prioritization and scalable capacity via configurable and built-in intelligence, ensuring a comprehensive, superior quality experience. Furthermore, when deployed with Extreme Wireless XYZ Account can configure the network to ensure applications receive the bandwidth they require, while still limiting or preventing high speed streaming of music of video or even games.
VoLTE Flows and legacy CS network. Basic call routing to and from CS network using BGCF, MGCF, MGW. ENUM role in routing. IMS Cetralized Services (IMC) and SRVCC scenarios.
Open Connect Firmware Delivery With Spinnaker (Spinnaker Summit 2018)Asher Feldman
Netflix Open Connect is the worlds most advanced CDN. Netflix now leverages Spinnaker to deliver firmware updates (encompassing low-level hardware firmware updates, FreeBSD, and the app stack) to Open Connect Appliance servers at thousands of POPs across the world. This talk from Spinnaker Summit 2018 in Seattle, WA explores how we extended Spinnaker to handle this mission-critical bare-metal delivery use case.
Qualcomm centriq 2400 hot chips final submission correctedDileep Bhandarkar
World's 1st 10 nm Server Chip
QDT-designed custom core powering Qualcomm Centriq2400 Processor
5thgeneration custom core design
Designed from the ground up to meet the needs of cloud service providers
Fully ARMv8-compliant
AArch64 only
Supports EL3 (TrustZone) and EL2 (hypervisor)
•
Includes optional cryptography acceleration instructions
AES, SHA1, SHA2-256
Designed for performance, optimized for power
VNIX-NOG 2023: State of RPKI in APAC - Cleaning up invalidsAPNIC
APNIC Training Delivery Manager Shane Hermoso presents on the status of RPKI deployment in the Asia Pacific and the importance of cleaning up invalids at VNIX-NOG 2023, Da Lat, Viet Nam from 5 to 6 October 2023.
Serial ATA (SATA) is a computer bus interface that connects host bus adapters to mass storage devices such as hard disk drives and optical drives. Serial ATA replaces the older AT Attachment standard (later referred to as Parallel ATA or PATA), offering several advantages over the older interface: reduced cable size and cost (seven conductors instead of 40 or 80), native hot swapping, faster data transfer through higher signalling rates, and more efficient transfer through an (optional) I/O queuing protocol.
Is your favorite ring slipping and sliding on your finger? You're not alone. Must Read this Guide on What To Do If Your Ring Is Too Big as shared by the experts of Andrews Jewelers.
La transidentité, un sujet qui fractionne les FrançaisIpsos France
Ipsos, l’une des principales sociétés mondiales d’études de marché dévoile les résultats de son étude Ipsos Global Advisor “Pride 2024”. De ses débuts aux Etats-Unis et désormais dans de très nombreux pays, le mois de juin est traditionnellement consacré aux « Marches des Fiertés » et à des événements festifs autour du concept de Pride. A cette occasion, Ipsos a réalisé une enquête dans vingt-six pays dressant plusieurs constats. Les clivages des opinions entre générations s’accentuent tandis que le soutien à des mesures sociétales et d’inclusion en faveur des LGBT+ notamment transgenres continue de s’effriter.
Care Instructions for Activewear & Swim Suits.pdfsundazesurf80
SunDaze Surf offers top swimwear tips: choose high-quality, UV-protective fabrics to shield your skin. Opt for secure fits that withstand waves and active movement. Bright colors enhance visibility, while adjustable straps ensure comfort. Prioritize styles with good support, like racerbacks or underwire tops, for active beach days. Always rinse swimwear after use to maintain fabric integrity.
Have you ever wondered about the lost city of Atlantis and its profound connection to our modern world? Ruth Elisabeth Hancock’s podcast, “Visions of Atlantis,” delves deep into this intriguing topic in a captivating conversation with Michael Le Flem, author of the enlightening book titled “Visions of Atlantis.” This podcast episode offers a thought-provoking blend of historical inquiry, esoteric wisdom, and contemporary reflections. Let’s embark on a journey of discovery as we unpack the mysteries of ancient civilizations and their relevance to our present existence.
From Stress to Success How Oakland's Corporate Wellness Programs are Cultivat...Kitchen on Fire
Discover how Oakland's innovative corporate wellness initiatives are transforming workplace culture, nurturing the well-being of employees, and fostering a thriving environment. From comprehensive mental health support to flexible work arrangements and holistic wellness workshops, these programs are empowering individuals to navigate stress effectively, leading to increased productivity, satisfaction, and overall success.
Johnny Depp Long Hair: A Signature Look Through the Yearsgreendigital
Johnny Depp, synonymous with eclectic roles and unparalleled acting prowess. has also been a significant figure in fashion and style. Johnny Depp long hair is a distinctive trademark among the various elements that define his unique persona. This article delves into the evolution, impact. and cultural significance of Johnny Depp long hair. exploring how it has contributed to his iconic status.
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Introduction
Johnny Depp is an actor known for his chameleon-like ability to transform into a wide range of characters. from the eccentric Captain Jack Sparrow in "Pirates of the Caribbean" to the introspective Edward Scissorhands. His long hair is one constant throughout his evolving roles and public appearances. Johnny Depp long hair is not a style choice but a significant aspect of his identity. contributing to his allure and mystique. This article explores the journey and significance of Johnny Depp long hair. highlighting how it has become integral to his brand.
The Early Years: A Budding Star with Signature Locks
1980s: The Rise of a Young Heartthrob
Johnny Depp's journey in Hollywood began in the 1980s. with his breakout role in the television series "21 Jump Street." During this time, his hair was short, but it was already clear that Depp had a penchant for unique and edgy styles. By the decade's end, Depp started experimenting with longer hair. setting the stage for a lifelong signature.
1990s: From Heartthrob to Icon
The 1990s were transformative for Johnny Depp his career and personal style. Films like "Edward Scissorhands" (1990) and "Benny & Joon" (1993) saw Depp sporting various hair lengths and styles. But, his long, unkempt hair in "What's Eating Gilbert Grape" (1993) began to draw significant attention. This period marked the beginning of Johnny Depp long hair. which became a defining feature of his image.
The Iconic Roles: Hair as a Character Element
Edward Scissorhands (1990)
In "Edward Scissorhands," Johnny Depp's character had a wild and mane that complemented his ethereal and misunderstood persona. This role showcased how long hair Johnny Depp could enhance a character's depth and mystery.
Captain Jack Sparrow: The Pirate with Flowing Locks
One of Johnny Depp's iconic roles is Captain Jack Sparrow from the "Pirates of the Caribbean" series. Sparrow's long, dreadlocked hair symbolised his rebellious and unpredictable nature. The character's look, complete with beads and trinkets woven into his hair. was a collaboration between Depp and the film's costume designers. This style became iconic and influenced fashion trends and Halloween costumes worldwide.
Other Memorable Characters
Depp's long hair has also been featured in other roles, such as Ichabod Crane in "Sleepy Hollow" (1999). and Roux in "Chocolat" (2000). In these films, his hair added a layer of authenticity and depth to his characters. proving that Johnny Depp with long hair is more than a style—it's a storytelling tool.
Off-Screen Influenc
MRS PUNE 2024 - WINNER AMRUTHAA UTTAM JAGDHANEDK PAGEANT
Amruthaa Uttam Jagdhane, a stunning woman from Pune, has won the esteemed title of Mrs. India 2024, which is given out by the Dk Exhibition. Her journey to this prestigious accomplishment is a confirmation of her faithful assurance, extraordinary gifts, and profound commitment to enabling women.
2. • What is VarAC?
• About the VARA protocol & Modem
• Architecture
• Basic VarAC setup
• VarAC Beacons
• Pings
• CQ & The slots system
• Calling frequencies
• Conducting a QSO
• Callsign history
• PSKReporter
Agenda
• QSO Loggings
• Mailbox (VMails)
• The QSY protocol
• Tags & Gestures
• File transfer
• Live demo
• Monitoring VarAC QSOs
• VarAC code of behavior
• Additional useful features
• Community support & resource
• VarAC hall of fame
• Q & A
5. • VarAC is a point-to-point digital chat application the provides a modern
chat experience to the hamradio operator.
• VarAC uses the VARA protocol. Loss-less ARQ mode.
• Great speed under challenging SNR levels
• Ideal for QRP, Portable operations & EmCom
• VarAC can be used on HF, VHF/UHF (FM) and also Satellite (QQ-100)
• Over 6,000 registered users to date
Download link: https://www.varac-hamradio.com/download
What is VarAC?
Demetre, M0SUY/P, doing portable VarAC
operation
6. • Created by Jose Alberto Nieto Ros, EA5HVK
• ARQ, error free protocol
• Available modems :
• VARA HF - Up to 1,543 BPS at 500Hz BW / 7,050 BPS at 2300Hz BW
• VARA SAT – Like HF but with additional latency handling
• VARA FM – Up to 12,750 BPS Narrow / 25,210 BPS Wide
• Free license version available with speed limit of 170 BPS
What is VARA
Download link: https://rosmodem.wordpress.com/
8. Basic VarAC setup
Things you MUST config:
• VARA modem connectivity
• PTT configuration
Supported RIG control:
• CAT: Direct CAT or through OmniRig
• PTT: Direct CAT or RTS/DTR
Other important configuration:
• Frequency control
• Vara monitor
• Beacon interval
• QSO logger integration
• PSK Reporter
You can customize CAT commands in VarAC_cat_commands.ini
9. Beacons
• Letting people know you are “Online”
• Great for propagation analysis (Spots also uploaded to
PSK Reporter)
• Minimum beacon interval: 15 minutes
• Beacons fires only if the frequency is clear for at least
30 seconds
10. Ping
• Used to check connectivity with a station
• Exchanges SNRs so you know how you are being heard
• Disconnects immediately after SNR exchange.
11. CQ & The Slots system
Provides scale with a single calling frequency
• Main calling frequency (CF) per band
• 10 slots around it. 5 below and 5 above
• 750Hz steps each
CQ Flow:
1. Pick a slot
2. Making sure it’s free (using the slot sniffer)
3. Call CQ on the CF
4. VarAC will auto QSY to the slot
5. Double clicking a CQ automatically QSY to the slot
and connects
6. No answer? Your Rig will QSY back to the CF
12. Calling Frequencies (CF)
• Use the Drop down to move between CFs
• You can use the Slot slider / little arrows to sniff around it.
• Add your own frequencies in VarAC_frequencies.conf
20m - 14.105 MHz (Primary - day time)
40m - 7.105 MHz (Primary - night time)
80m - 3.595 MHz
30m - 10.133 MHz
17m - 18.106 MHz
15m - 21.105 MHz
12m - 24.927 MHz
10m - 28.105 MHz
6m - 50.330 MHz
13. Conducting a QSO
• IS TYPING indicator!
• Fully multilingual support! (even 4-bytes languages)
• Emoji support
• Incoming message will unfold as its being received.
• Message queue
• Called ID is sent periodically to comply with local regulations
• A status bar shows the progress of sending/receiving a message.
• Tags & gestures that will show symbols & play sounds
• All chat history is stored in a log file and can be viewed in the
“callsign history” screen.
• Bi directional SNR exchange
• Auto QSO logging
• And much more!
14. Callsign history
Aggregates all activity of a station including:
• History of logged QSOs
• Spotted Beacons & CQs
• Previous chats
15. PSK Reporter
• Every CQ and Beacon is reported to PSK Reporter
• Self reporting is also possible
• ~50,000 spots per day (to-date)
• Great tool to see how you are being heard
• You can customize your PSK reporter preferred view
16. QSO Logging
• VarAC has it’s own ADIF log file that can be scanned by 3rd party loggers
• ADIF standard now includes VARA as a sub-mode of DYNAMIC.
• LOTW recently adopted this as well
• VarAC can send Logs (Using TCP/UDP) to:
• DX Keeper
• HRD log
• Log4OM
• N1MM
• N3FJP
• Swisslog
• UcxLog
• Using those loggers you can automate uploads to
QRZ, LOTW, EQSL etc.
17. Vmail Mailbox
• VarAC has an internal mailbox system
• Connecting an “AWAY” station will ask you to
leave a VMail
• You can relay a message to a 3rd party through a
mediator
• You can queue VMails in your Outbox. Those
VMails will be forwarded once connected
18. The QSY Protocol
VarAC provides seamless QSY mechanism while keeping an
ACTIVE LINK
• You can also QSY between bands during the QSO
• Mainly used when starting a QSO on the CF or in case of QRM
• Use the QSY sniffer prior to sending a QSY invitation.
2 Types of QSY:
• UP/DOWN QSY – moves 750Hz. (Right click to sniff)
• Free form QSY – select any frequency you want
Once you send a QSY invitation, both sides will have a popup
message asking for their acknowledge.
Both rigs will auto-QSY upon confirmation.
19. VarAC Tags & Gestures
Tag Operation
Sending my data tags
<NAME> Send your name
<QTH> Send your QTH
<LOC> Send your Location
<RIG> Send your RIG info
Request data tags
<LHR> Last heard peeking request – List of stations your partner recently spotted on this band
<FSR> Frequency scheduler peeking - know where your partner parks along the day
<QSYU> Invite your partner to QSY UP 750hz
<QSYD> Invite your partner to QSY DOWN 750hz
<QSF>XXXXX</QSYF> Free form QSO invitation Example: <QSF>14105000</QSYF>
<VER> Ask for your partner VarAC version number
<INFO> Ask for your partner info (Name, QTH, LOC...)
Trigger events
<AWAY> Triggers "send message" at your partners side
<SND> Automatically click"enter" to queue a message
<DISC> automatically disconnect upon message delivery (usually used in final QSO message)
Tag types:
• Embedding my/your data
• Request data
• Trigger events
Tags can be used to automate things when used in
predefined messages
Gestures
• Play sounds on the other side
• Sending Emojis
Main VarAC tags. More are listed in the VarAC interface
20. File transfer
VarAC supports sending binary files of any kind
• Images (PNG/JPG/GIF) are shown in the chat stream
• Files are compressed before being sent
• You can limit incoming files size.
22. Monitoring VarAC QSOs
• Install a secondary VARA modem for monitoring
• VarAC will automatically configure and launch it
upon VarAC launch.
23. VarAC code of behavior
❌ Don't jam the Calling Frequency (CF). Don't hold it for more then a few minutes or more then necessary.
✅ Started a QSO on the CF? It's OK, but QSY as soon as possible. You have QSY UP/Down buttons or a free-
form QSY button where you can select your desired QSY frequency.
❌ Don't use the PING feature for DXCC/Grid hunting. This will jam the CF, and besides, upcoming versions will
limit the SNR exchange during PINGS so it will be useless for DXCC.
✅ Use PING only as tool to check propagation.
❌ Don't use 2300Hz BW on the VarAC CF or on any of the slots.
✅ Use Only 500Hz on VarAC CF and slots to avoid QRM-ing nearby VarAC QSOs. Use 2300Hz only outside of
the slot frequencies.
24. VarAC code of behavior – Cont.
❌ Don't QSY to a frequency without checking if it is free.
✅ VarAC provides you with Sniffers. Right-click on the QSY Up/Down buttons will temporarily QSY to the
destination frequency (without keying your PTT) so you can listen before QSY-ing. Same goes for calling CQs: Use
the CQ slot sniffer.
❌ Don't try to send large files over HF. And if the link is slow - don't send files at all. It will never end. And PLEASE
don't send files over the CF.
✅ Send files up to 5-10K in high speed and no more than 1-2K in low speed and always on non CF frequencies.
25. Additional useful features
• Frequency scheduler – Auto QSY based on pre-defined times
• Canned (predefined) messages with Quick access buttons
• Listening mode – Disable PTT
• Appearance customization (Font size and colors) including dark mode
• Block list
• Block incoming pings
• Set auto-away
• Showing distance and bearing
26. Community support & online resources
Super active Facebook group
https://www.facebook.com/groups/varahf
• 3.3K members to date.
• Hundreds of new discussions per month
VarAC forum:
https://www.varac-hamradio.com/forum
• Feature request submission
• Roadmap
• Bug reports
• Updated user manuals by Pat ON2AD
• Recent Rig control file
27. The VarAC Hall of Fame
NC3Z - Gary Mitchelson
Gary stepped forward when I started VarAC. He is investing his precious time in
testing releases and advising on feature designs as well as supporting the VarAC
community.
ON2AD - Pat Patrick De Wever
Pat masters the art of writing user manuals in 3 languages. Pat volunteered to do
the hard work of documenting all VarAC features so you can have a smooth ride.
Our brave Beta Lab Team
The following brave hamradio operators have decided to risk their lives and rigs so
you can have a safe VarAC experience.
Thank you guys for your continues support in this project!
DM7RO - Malte Röwekamp
HB9AVK - Paul King
GW4OZU - Peter Hyams
K1DOW - Russ Tower
LA5XTA - Erik Dahl
MW0RUH - Dave Thomas
M0SUY - Dimitrios Valaris
N8SDR - Rick Langford
PE1LUP - Marcel Tuerlings
SM7DUZ - Ingvar Eriksson
VA7RBP - Rick Paynter
W1IZZ - Lawrence Gray
W2JON - Jon Bruno
W3RED - Scott Redd
https://www.varac-hamradio.com/halloffame
