So it seems I can find information for hours on the web about VHF-Hi (136-174MHz) about converting these radios to 2m band, but when it comes to finding any information (or acknowledgement that they even exist) on the VHF Low band Delta S radios, its nearly impossible.
Let me explain my setup to eliminate any guessing of the obvious on your end:
GE Delta S Combination N3B106 loaded with a 16 channel EEPROM currently programmed myself using Niles Radio Software and the Niles Programmer on the following freqs...
1 52.525RX / 52.525TX plRX 0.0 plTX 0.0 CCT 0 ste Y
2 52.400RX / 52.400TX plRX 0.0 plTX 0.0 CCT 0 ste Y
Using an 8 channel head Combination number C4A108
I've successfully locked both the TX and RX VCO's so I'm pleased with that. I've also verified that on 52.400MHz, I am running 110W into a dummy load so the transmitter is working.
Now I run into the trouble... Alignment of the RX section of VHF Hi and VHF Low are 2 different beasts. I'm thinking about tapping an IF (service manual would be nice to know what IF to tap...) and using my SDR to view the signal with another radio transmitting a low signal into a dummy load and tuning for max amplitude. My 6m antenna is about 100ft from the house so I suspect it should work fairly well for my purposes.
The only thing I hear right now is a steady extremely low volume "hissssssssss" out of the speaker, maybe a slight variance in audio output in respect to where the VOL/SQL pots are sitting.
I guess after all that, my ultimate question is: Does anyone have the service manual for this radio?
Let me explain my setup to eliminate any guessing of the obvious on your end:
GE Delta S Combination N3B106 loaded with a 16 channel EEPROM currently programmed myself using Niles Radio Software and the Niles Programmer on the following freqs...
1 52.525RX / 52.525TX plRX 0.0 plTX 0.0 CCT 0 ste Y
2 52.400RX / 52.400TX plRX 0.0 plTX 0.0 CCT 0 ste Y
Using an 8 channel head Combination number C4A108
I've successfully locked both the TX and RX VCO's so I'm pleased with that. I've also verified that on 52.400MHz, I am running 110W into a dummy load so the transmitter is working.
Now I run into the trouble... Alignment of the RX section of VHF Hi and VHF Low are 2 different beasts. I'm thinking about tapping an IF (service manual would be nice to know what IF to tap...) and using my SDR to view the signal with another radio transmitting a low signal into a dummy load and tuning for max amplitude. My 6m antenna is about 100ft from the house so I suspect it should work fairly well for my purposes.
The only thing I hear right now is a steady extremely low volume "hissssssssss" out of the speaker, maybe a slight variance in audio output in respect to where the VOL/SQL pots are sitting.
I guess after all that, my ultimate question is: Does anyone have the service manual for this radio?