Tom, This is ALMOST what you want to do or describe. You're a clever guy..maybe you can put them together to do what you want :)
http://www.geekshed.co.uk/flex-radio-powersdr-to-ci-v-interface/ http://www.geekshed.co.uk/icom-ic-910h-if-output-modification/ 73, Mwark N8MH At 10:47 AM 8/29/2012 -0500, you wrote: >Hi Mike, > >I have two radios that have a built in panadapter and have used the >dongle as a stand alone panadapter. The problem is all the panadapters >I have used or read about, other than SDR based gear like the Flex >radios, do not have a connection between the panadapter and the >frequency control of the radio. With an SDR receiver you click on the >waterfall or spectrum display and the radio is tuned to that >frequency. That is what I am trying to do and that bit you get for >free with an SDR receiver the hard the part I am trying to solve is >controlling the transmit frequency (including doppler correction and >offset) when using linear sats. The only way I have been able to do >this so far is to use SDR-Radio with its built in doppler correction >for the receiver and my IC-7000 as a transmitter under the doppler >corrected frequency control of SatPC32. This works but changing the >frequency on the SDR does not adjust the transmit freq. I am hoping >someone has actually done this as I have never been a big fan of >reinventing the wheel. > >The FT-817 is a very cool rig and I will be very interested to see how >you control the FT-817 frequency from the panadapter - that is the >tricky bit since the panadapter does not have to even know what >frequency you are receiving. It should be possible to poll the >panadapter for the offset of the frequency you have clicked on and add >that to the FT-817 frequency and feed it back into the FT-817. I am >sure you guys have come up with something. Thanks for writing the >article. I look forward to reading it. > >73 W9KE Tom Doyle > > > > > >On Wed, Aug 29, 2012 at 9:18 AM, Mike Seguin N1JEZ ><[email protected]> wrote: >> Hi Tom, >> >> There will be an article coming up in the AMSAT Journal on work that W1GHZ, >> W1FKF and I have done on tapping the common IF in the FT-817 and using the >> FunCube as a Panadapter. Our primary application is weak signal microwave. >> >> I would think it would work well for satellite. That way your software would >> be controlling an FT-817. The common IF is centered on 68.33 MHz in the >> FT-817, so you see +/- 40 kHz around that. You would be able to take >> advantage of all the front end filtering in the FT-817. >> >> 73, >> Mike, N1JEZ >> AMSAT 29649 >> "A closed mouth gathers no feet" >> >> ----- Original Message ----- From: "Thomas Doyle" <[email protected]> >> Subject: [amsat-bb] Re: Satellite's >> >> >>> I am close to a SatPC32 <-> dongle system but there is probably >>> someone with a much better 'simple' or even a 'very simple' solution. >>> I would be very interested in hearing from anyone who has actually >>> achieved fully synchronized doppler corrected transmit control with a >>> dongle for the receiver. A reply offline would be best to prevent >>> flames. >> >> >> > > > >-- > >Sent from my computer. > >tom ... >_______________________________________________ >Sent via [email protected]. Opinions expressed are those of the author. >Not an AMSAT-NA member? Join now to support the amateur satellite program! >Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb _______________________________________________ Sent via [email protected]. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
