*Chennai RTR – Afternoon Paper Summary (09/06)* *Aircraft: VT-BHN* *Part 2 – Key Questions:* What is the difference between accuracy and precision? Explain antenna gain and directivity. Define receiver (Rcvr) stability and its significance. What is the emission code used for DME? What is a METAR and how is it interpreted? What does SPECI stand for and how does it differ from METAR? Explain ATIS – what it is, what information it contains, and who publishes it. What is meant by J3E? What do the letters 'J' and the number '3' signify in this emission designator? Compare and contrast DSB (Double Sideband) and SSB (Single Sideband) modulation. What is the purpose of Morse code in navigation aids, and how is it used? Briefly explain the phenomenon of fading in radio transmissions. What is the difference between QFE and QNH in aviation meteorology? *Fwd as received*