Panadapter for the Drake R-4B 4-Line Ham Radio

[@dfpolitowski2]

Welcome to the ham hobby. I'm a new ham myself. Did one of these for a ten-tec rig. But later on I just ran two receivers in unison that is an SDR radio and the Omni VI transceiver. Shared the antenna between both radios. Using an antenna switch from MFJ. 73's KD2ULF

[@247SH]

Great video. I’ve just added a panadapter to my IC750Pro. SSB output is on USB no matter if CW/LSB selected on the radio. The software, SDRUno, appears to takeover filtration, so audio is best served via the computer.

[@multicyclist]

I like the little FET circuit idea you used. Another way I have seen it done on how to get a low impedance signal from a tube receiver for a pan adapter is to take the signal off of the cathode instead of the plate. Not sure how well this would work on your Drake but I saw it done on a Hallicrafters SX-99 to an SDR with good results.

[@ki4fbl]

Congratulation's on receiving your license!!!! ki4fbl here in kentucky!!! I also frequent 40 meters as it is the quietest band at my qth. hope to hear you on the bands!!!!

[@PY4SR]

Funny that I’m simulating a buffer for this purpose. I’m thinking about adding panadapter to all my 4 radios. For the TS590s I will tap the rx before the conversions. This week I tested (still without the buffer) the integration between the TS590s, Airspy hf+discovery, SDR console and N1MM (all together) the results were impressive!

[@georgecomninos9126]

congrats on the ham ticket !! It is a great space for nerds!! Love the boat anchors!!!

[@moviestudioland]

Very nice. I tried this a few days ago and tried to wind a loop around the mixer tube into the RTL-SDR. And I could not hear a thing. I was able to use RTL-SDR with a Drake TR4 on 9 MhZ by wrapping a few loops around a 12B16 IF tube.

[@karlschwab6437]

Welcome to ham radio Scott! And a tech guy with Drake radios, is really cool! I am really interested in your digital display on your Drake R4B receiver. I have the Drake T4XB as well, and a digital readout, would be something different for these old radios. Keep the videos coming, 73, de Karl/KO8S

[@moviestudioland]

I bought some perf boards and will try to duplicate your success on an R4B. I would like to really do noise elimination and listen on the computer audio. Again excellent video and thank you! All I have on MacOS is CubicSDR so I will try it with CUBIC SDR. I tried a capacitor off of Pin #5 of V2 tonight directly into an RTL-SDR an as you aptly noted - no joy and must be due to impedance as you had mentioned.... I did hear a little bit but the IF of the radio was totally dragged down and no audio from the radio. I do have some of those N-FET's on hand and will give it a try. Thank you.

[@temporarilyoffline]

Great job Scott! Welcome to the world of ham radio! I've been watching your channel for a long time, you got me hooked on the Xi8088 kit and I made a few videos about that

[@Lee_Adamson_OCF]

Very nice. :D Old radios are the best!! I am a fan of the Kenwood tube hybrids, myself.

[@mikestrange6969]

Uh oh ... slippery slope! How long before a lattice tower goes up with a multi-band multi-element Yagi on top? I started simple but then the bug bit. A very useful add-on you have made there. I guess we will not be seeing anymore RC2014 developments from you, a pity. Have fun.

[@moviestudioland]

You can steal 12 volts from where the PTO gets 11 volts or so. Great Great video Scott...

[@richardperritt]

Congrats on obtaining your license! -73- VA3RJP

[@ka2rwp]

Maybe you can make a impedance matching transformer to make the high impedance and low impedance more compatible.

[@moviestudioland]

Maybe a voltage divider off of the regulated 150 volts. That is how Drake usually does it.

[@sbaecher]

Phantastic idea

[@ka2rwp]

Late 60's 1968 B models the C in the early 70's.

[@williamhutchinson8818]

Who is Nil Rushilm is that whose listening at that mixed freq..? Sorry ... my dog says that's a dumb question.

[@partsdave8943]

Nice! And if you're not in the mood to talk or even monitor, then you have an extra room heater. :)

[@cheveredj8435]

Excellent.

[@pnadk]

Very interesting

[@W9PDS]

Hi Scott. What is your new call sign? I am building your RC2014 boards during the winter break, and I have a Drake Twins pair in my shack :) I was shocked to see you post this. Very cool. 73, and good DX to you in the new cycle. -W9PDS

[@georgecomninos9126]

300 MHz ???? Do you mean kHz??