[amsat-bb] Explorer-1 Prime - how long is the tracking tone?

Douglas Quagliana dquagliana at aol.com
Mon Oct 3 23:12:55 PDT 2011

According to the Explorer-1 Prime operations web page at


the satellite will transmit a 2200 Hertz tracking tone before each FSK AX.25 packet is transmitted.

What is the duration of the tracking tone? one second? ten seconds?

Does anyone have a sample recordings of the tracking tone and beacon?

Douglas KA2UPW/5

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