This document provides an overview of advanced surveying instruments and techniques. It defines key terms related to waves and cycles and discusses electromagnetic spectrum and the principle of EDM. It also describes total stations, noting their advantages and disadvantages, and covers other advanced instruments like modified total stations and digital self-leveling levels. Finally, it asks the reader to name 10 very latest instruments used in modern surveying.

1. ADVANCED SURVEYING
1. Write down following definitions:
A. Cycle
B. Wave length
C. Frequency
D. Period
E. Phase
2. Write down short note on Electromagnetic spectrum and principle of EDM.
3. Write short note on : Types of EDM instruments.
4. Describe Total Station in detail with its advantages and disadvantages.
5. Name Advance equipment modified from total station and give short information on it.
6. Write short note on digital self-levelling level.
7. Name any 10 very latest instrument used in modern arena.