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So you're the guy who read that QRP Quarterly article! Jack, W8TEE

You were getting 25 watts Peak-to-Peak? Or you were getting 25 volts peak-to-peak? tim ab0wr davesters@... wrote:

Gee.... I wonder who gave me the idea for my mic?? :)? Thanks, Jack! Tom AB7WT

Unless the display is changed by one of the other tasks there is no reason to update the display. It's not like you are preventing the other tasks from running while you automatically update the

Mine with a stock electret: Made from some plumbing parts, phone extension wire, some too-big-for-anything-useful shrink tubing, and hot glue. Total cost: $0.87. Guess who has the greater building

Unless the antenna is picking up a static charge and the antenna tuner is acting like an impedance to ground draining that charge off. Don't laugh, it happens. Dr. William J. Schmidt - K9HZ J68HZ

Here is one of mine made in a aluminum pen tube with PTT inside. Joel N6ALT

Usually a tuner will increase noise, at least atmospheric noise, as the tuner creates a match between the receiver and the antenna. A matched antenna shouldn't "tame" the noise. If that is actually

> > I would love to compete but I don't think UK stations ,can tx over 7.200. > rgds John 2e0eii > > > > > 7277 kHz in North America, *7177 kHz elsewhere.* >

I would love to compete but I don't think UK stations ,can tx over 7.200. rgds John 2e0eii

Raj jee, Perhaps we need additional gain so that control can work , say 1 or 2 dB on either side. Regards MVS Sarma wrote:

Mic gain control: Remove R62 and R63 Add a 1K preset or Pot .. extreme end connections to PIN 2 - emitter of Q6 and ground. Connect the center pin to + of C62. If the gain is increasing in the

Hello Norm. Mine needs every bit of mic gain I can't think of any instance where less would be better.? Is yours too loud or do you have distortion? I have one of those mic pre amps and compressor

I wasn't really trying but this is still only the 4th day that I have had my ubitx. Using phone I was able to work stations from coast to coast of the united states. I did it on the 80 meter band. and

BITX QSO Afternoon/Evening, Sunday, April 22, 3PM & 7PM Local Time, 7277 kHz in North America, 7177 kHz elsewhere. Join us as we make contacts from BITX40 to BITX40 on 7.277 MHz in 40 meters! This

That's right, george.

Daft question gang, but how come the ubitx hasn't got a mic gain control? Norm. Vk5gi McLaren Vale South Australia

Nice one Farhan, looks like a 300/75 TV balun. Raj

Yup, we've been through this. If you treat the IRF510's right, you get the results that WA2EBY does.

No, it's not a big difference in speed, that is until you consider that the display in this radio isn't the Arduinos only task. I haven't started on this all just yet, but from previous projects.? In