[TenTec] Tapping a Delta II for a panadaptor?

[km2km at twc.com]

Thank you Barry and Carl for the clear assessment and recommendations. 

I have the RTR-2 so I am all set there.  The SDRplay is the way to go and forget involving the Delta II's insides!

If I were not so tight fisted and enjoy the Delta II all these years, I'd be looking at a more modern SRD radio, but I enjoy tinkering.

Happy day to all,

Kris KM2KM 
MERSCHROD
123 Warren Road
Ithaca, NY 14850

---- Carl Moreschi <n4py3 at earthlink.net> 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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