[TenTec] Tapping a Delta II for a panadaptor?

[Bill Cotter]

Carl,

Using the method you propose (parallel receiver), how do you make 
the SDR track the received frequency so that it signal heard is 
always centered in the panadapter view?

73 es tnx Bill N4LG




At 10:14 PM 1/29/2017, you wrote:
>I thought the QST article for panadapters was very poor.  It 
>recommended using the IF to feed the panadapter.  This is an 
>archaic method.  Today with the SDR receivers available such as 
>SDRplay, much better results can be obtained without the need for 
>an IF tap.  These new SDR receivers (such as SDRplay) can receive 
>over a wide frequency range typically from 50 khz to well over 30 mhz.
>
>Because of this, the most modern hookups now just involve 
>connecting the SDR receiver to the same antenna as the main radio 
>and running them in parallel with the main radio.  This gives a 
>much wider and more versatile panadapter than being stuck with the 
>radios IF.
>
>The only obstacle to this is a good way to share antennas without 
>transmit power from the main radio destroying the SDR 
>receiver.  Some main radios offer a receive out and receive in 
>loop so with those radios it is a simple setup.
>
>For radios that don't have a good way to share antennas, several 
>companies offer solutions.  For example, one such solution is the 
>DXE-RTR-1A from DX Engineering.
>
>Carl Moreschi N4PY
>58 Hogwood Rd
>Louisburg, NC 27549
>www.n4py.com
>
>On 1/29/2017 9:57 PM, km2km at twc.com wrote:
>>After reading the Panadaptor article in the FEB 2017 QST  I'd 
>>like to try that with my Delta II
>>
>>Has anyone done this?  Where is the tap for the IF?
>>
>>Suggestions?
>>
>>73
>>Kris KM2KM
>>MERSCHROD
>>123 Warren Road
>>Ithaca, NY 14850
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