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The only mention of the radio needing mods to be legal is on the ubitx.net page, It reads as follows. *WARNING:* AS shipped, your ubitx probably will not be compliant with emission requirements.It has

The wirenut I used is the twist-on type. No screws. But I don't know what you are using but if it works for you, good. I also only have syringes for diabetes that don't seem appropriate for making

RE " I would agree that I would still purchase the kit if it was listed on the HF Signals site as a "kit" that will need to be upgraded. I have gone back and re-read the home page, and there is no

G1WDF, V4 was a audio amp mod only from TDA2822 to discrete transistor and? it brought out a few test points.? Same circuit for RF and same issues. Maybe when V5 happens.

From the last mixer to the antenna CW and SSB are same. I've seen at least two with a wrong 40M LPF, though it was TX power amp but 80 and 20 had higher power than 40. Seems the coils had about half

Where exactly? is C4? I just can't see it? - neither in the schematic nor on the board?

Jeff, Appears that you are trying to compile just a single ".ino" file (i.e. ubitx_20).? You are missing the remaining required .ino files in the directory as supplied by HFsigs. Not the best coding

Knobs with all different sizes of bore... https://www.surplussales.com/ShaftHardware/Knobs-16.html Or fill 1/4 knob with epoxy after greasing the set screw and all the way in; remove set screw after

A short length of heat-shrink tubing, just length of the shaft and a size that will shrink nice & tight, will usually take up the slack between this shaft size and a more standard 1/4" knob opening.

It depends. If the function is used before it's defined, yes. The IDE is supposed to get around this problem, but I've had times when only the addition of a prototype fixed it. I cannot isolate the

the knobs can be found at radio rallies or hamfest but much easier to change for a standard sized pot of the correct value.You could also at a pinch pad out the thin shaft by wrapping with electrical

If the sketch is all .ino files do you need a declaration.

I couldn't find the right volume knob too. So I ended up finding those wire connectors with two vertical screws. In the end, admittedly it is a bit ugly, but does well the job.

Oops! Read the wrong function. There should be a function prototype for si5351bx_setfreq(). Try adding its prototype near the top of the code if it's missing or not in a header file. Jack, W8TEE -----

Is there a function prototype for setFrequency() near the top of the code or in a header file? While I am not familiar with the code, my guess is that the argument to the function is either a long or

Sean Rarely can a capacitor be replaced with a short circuit. Often it is blocking DC, or filtering it. Sometimes it can stay open, but likely the cap is necessary. You result seems to say so. See if

I have a version 3 board. I tried loading the original software for the nano and I am getting an error messages. 'si5351bx_setfreq' was not declared in this scope. Part of the code is shown below. I

Rod The cw and ssb transmit paths are routed differently, so its at least possible. If you can monitor power supply current, that might convey you have more output than you think on cw. I have used

If the OP aimed at pp9 batteries, a clear NO , as even in Rx mode you need 1.2amps or so. [email protected]> wrote:

If you mean 12.5 volts, that should work. you need about 3 amps or more. Check the voltage at the power supply when receiving and transmitting to see what it is doing. Curt