[Elecraft] Fwd: Re: Full duplex for Sat work?

Jim Rogers jim.w4atk at gmail.com
Tue Aug 18 07:45:51 EDT 2015


I believe the software is available on the AMSAT website and if you sign 
up for AMSAT membership they will allow the download and send a CD of 
the available software etc.

Jim, W4ATK


On 8/17/2015 8:08 PM, Edward R Cole wrote:
>
>> Date: Mon, 17 Aug 2015 12:41:45 -0800
>> To: Elecraft Reflector
>> From: Edward R Cole <kl7uw at acsalaska.net>
>> Subject: Re: [Elecraft] Full duplex for Sat work?
>>
>> Jerry,
>>
>> Its tempting to think maybe the sub-Rx could be used duplex with 
>> main-Tx in the K3, but as you discovered its not possible as DSP is 
>> in use for Tx or Rx, but not both simultaneously.
>>
>> There is a kind of solution, though, if you own both K3 and KX3:
>>
>> Set K3-2M to listen on 145-MHz and use K3 with 432 transverter to 
>> transmit 435 (or vice versa).  The "big" issue is linking frequency 
>> control of both radios for tracking Doppler changes. This will take 
>> sw via ports in each radio.
>> This will be a third-party sw source an not "likely" accomplished 
>> thru firmware updates. Amsat has had what they call the "One true way 
>> of tracking"; have to research that to find out if it still exists.
>>
>> I know a ham that might develop such sw but have not contacted him, 
>> as yet.
>>
>> 73, Ed - KL7UW
>> http://www.kl7uw.com
>>     "Kits made by KL7UW"
>> Dubus Mag business:
>>     dubususa at gmail.com
>
> 73, Ed - KL7UW
> http://www.kl7uw.com
>     "Kits made by KL7UW"
> Dubus Mag business:
>     dubususa at gmail.com
>
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