MARS

Amateur Radio Society

Technical Presentation - Understanding Air band Radios

2024 Sep 28 OM Sampath VU2SAA

On 28th September 2024, the MARS Amateur Radio Society members’ meeting was held at 'Hall no.1960 of the Dept. of Chemistry, College of Engineering, Guindy, Anna University.

After the members assembled in the hall, OM Deepan - secretary of MARS Amateur Radio Society - introduced the speaker, OM Sampath - VU2SAA who gave us a tech talk on “Understanding Air band Radio terminology”.

He started with the over view of Radios on modern aircrafts and then he touched upon frequencies used in VHF/HF modes such as AM/SSB and Data mode using VHF and Satcom. He explained about ATIS, Towers, Radar and emergency frequencies in different ground stations like Chennai, Mumbai, Kolkata etc. He also exhibited layouts of controls in A320 cockpit. He enlightened the audience about the types of antennae used and their locations in the aircraft. He also spoke about the effect of lightning, static electricity and associated problems. The presentation highlighted the communications between the aircraft, towers and other stations during approach, landing and taxi-ing of the aircraft. All the slides were very informative and the participants enjoyed the presentation. Finally, the President, OM Thyagu, presented a memento to OM Sampath.

After the conclusion of the tech talk, the August VHF Net check-in contest prizes were distributed to all the winners of various categories. The meeting concluded with a Vote of Thanks by the secretary, OM Deepan.