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Re: IC-910, AFC and Doppler
- Subject: Re: [amsat-bb] IC-910, AFC and Doppler
- From: Andrew Glasbrenner <glasbrenner@xxxxxxxxxxxxxx>
- Date: Wed, 16 Feb 2005 08:12:37 -0500 (GMT-05:00)
>Another related question - how far will the AFC pull? If it was a totally
>closed loop using only the AFC without open loop software controlled Doppler
>correction, will the AFC pull from +35 to -35kHz?
I can't answer the first question, but I can this one. The AFC will track the signal for at least +/- 60 khz. I use it on the S band Echo downlink from home. Works great for a single pass, but for multiple passes you must reset it to the upper initial frequency.
73, Drew KO4MA
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