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I am REALLY happy with my -24DB cartridge homemade Mike. The Sbitx needs a good bit of audio signal input. I think this is a great chance for a cottage industry to develop selling these mics and

Thanks Evan. Yes we need confirmation. One way or the other. Either I’m doing something wrong, or my unit is a complete fluke, or there’s a problem! I’m not sure why anyone would bother

I am also using VS Code with the git, remote-ssh, and C language extensions. Works great.

Thanks for the replies. -- '72 Aaron K5ATG ( http://k5atg.com )

Hi. What's the part number / name / type of the speaker plug J10? Thx.

I saw this one too, but I'm not sure it would work on the uBitx, because the mic for the uBitx has only three connections on the plug rather than four.? I think the difference is that the uBitx mic

Gordon, If it is passed through on the bias circuit, would adding some capacitors help?? Every connection of the bias to the LPF circuit may need to be bypassed. This might mess up the filters

Hi, may be you are looking for

amazing. Gordon KX4Z

Mark, I thought (without really confirming this) that the rpi zero is 32 bit and hence it will work much faster with single precision math hence decided on single precision fft The fftw library

I think I figured it out. The agc2() routine was only adjusting the imaginary part. I changed it to work on the real part and it works. -- 73, Mark, N8ME

I am hoping that someone could help me out and provide me with a link on where I can purchase a Baofeng microphone. I'm referring to the one that comes with the uBITX, the hand microphone that looks

https://www.qrp-labs.com/images/qdx/manual_1_19.pdf The sBitx appears to be using the same improved inductors that the QDX switched to after early problems. ?But I’m still seeing some bleed

I noticed that the stock firmware uses both the standard (double) and float FFTW3 libraries. The install instructions have you build both library versions. It looks like the float libraries are only

Thanks. You mentioned you maintain a fork of WiriingPi. I've heard that the reason Raspberry Pi dropped it from their repo's was because the original developer stopped work on the project. Do you

P.S. The frequency didn't change on the sBitx. -- 73, Mark, N8ME

Thanks for the reply.? I typed "f 7050" into the telnet client and the screenshot shows what I got. -- 73, Mark, N8ME

In the light of what Evan pointed out about the inductors series resonances in another project, consider the trace below. ? This is the transfer function from the input of the switched low pass

The commands are the labels on the controls. For instance "RIT ON" or "RIT OFF".

Try "f 7050" to change to 7050 khz. "m usb", etc.