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Hi Jack, Nice GT-550! Yes I got quite addicted while cleaning out storage about 8 years ago. Restored about 90 radios before shifting back to modern gear. Building stuff is still my favorite. I can't

Farhan used the same sort of one-turn variable resistor tuning on his prototype ?BITX that he used on the BITX with Raduino (and on his Sweeperino), so you probably did see his ?BITX video.

The uBitx uses an encoder, so rotary, no limit. The Bitx40 uses a pot for tuning with 270 degree rotation, that's likely the video you remember.

That certainly applied to the Raduino used on BITX40 Nigel but the uBITX, which uses a rotary encoder rather than a variable resistor. Bill, VK7MX

First up is to wish everyone on this group the very best for 2018! Next is to also confirm that have received the mass mailing re order acknowledged and now waiting patiently (order placed December

Hi side VFO while operating in lower-sideband mode on the Bitx40 requires lowering the BFO frequency a few khz. So you need version 2 of Allards firmware plus the associated hardware mods, one of

Thanks, Jerry

Hi Guys, could someone tell me what I would have to do to change my VFO frequency from the normal 4.7-5.0 mhz to 19.0-19.3 mhz. on my bitx40 rig. I'm using Allards ver 1.27.2 at this time but I would

To be a bit more concise, the schematic at the top of the wireup page does correctly show the? the yellow wire coming out of pin 4 of the uBitx main board, and the orange wire out of pin 5. However

A relay to select the board's power source (12 or 13.5v) or an alternate power input (24v or a variable input) as the feed to the finals, potentially with the system reading the voltages and the

You found a bug in the schematic at the top of the wireup instructions where orange and yellow wires are swapped. Should be the orange wire to the wiper arm, as shown in the photo of the volume pot

Wow beautiful box really nice work. Where did u find the box? Box size etc if you don’t mind Bob W5RKM

The schematic shows the yellow wire going to the wiper arm, but in the instructions later on the orange wire goes to the wiper. Which is correct? Ed

Loved looking at your old gear on QRZ. I saw the Galaxy V; just sold my old GT-550: Big mistake... Jack, W8TEE To: [email protected] Sent: Sunday, December 31, 2017 6:58 PM Subject: Re: [BITX20] elves

My current tuner PCB that I use on the 50W amplifier is 2" wide and 4.5" long, 2 sided, 7-inductor, 8-capacitor, including the arduino (leonardo) control circuity (caveat: I have a few components on

Neat work, nice drilling! Raj

Sound card interface for digital modes, CAT interface.

Hmmm....fairly ambitious goals, my friend! If you can put a TUNER in that space, you're a wizard. For my preferences, any simple vox-type soundcard interface would be nice. Maybe a mic preamp also /

?Wow....all of you guys with the 3D abilities just run rings around me. Congrats!!!!! Gordon ________________________________ Sent: Sunday, December 31, 2017 10:26 PM To: [email protected] Subject: Re:

Finished up my case today.? Drilled holes and mounted speaker and 3D printed a volume knob.? I may print a larger one for the VFO as well.