[aprssig] Pulse Mod

Andrew Rich vk4tec at tech-software.net
Mon Sep 25 15:48:50 CDT 2006


I have been looking closely at how aircraft send their positions using ADS-B
on 1090 MHz.

The data burst is around 112us and happens every 0.5 second.

Just wondering why we as hams do not do such a thing ?

Is it the bandwidth restrictions ?

Andrew Rich
Amateur radio callsign VK4TEC
email: vk4tec at tech-software.net
web: http://www.tech-software.net

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