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Hi Chris, It surely sounds like a frequency calibration problem, but it is also uncertain as to which piece of equipment contributes more to the error, i.e. the μ BITX or your frequency

My bitx40 really improved when I put a replacement mic in it. One day I was not getting any signal out of the transmitter. Tracked it back to the mic which was dead. Originally it worked for a month.

The thing in the instructions that many people miss is the last instruction which says push PTT to store and complete. I didn't see that at first. wrote:

In the spirit of fun, here's mine.? I can honestly say, I've never seen one like it. Made from three discarded Copenhagen cans, a junk box metric-pitch tactile switch, the supplied mic, a TRS socket,

I got one of the other Marconi stations w1aa. Had a nice talk with whitey I usually get a lot of qsos in Michigan Dave K0MBT Missouri

Very good Dan great catch on forty. I’ll be trying to get mine on tonight. Skip Davis, NC9O

Good going Dan!? Congratulations. 73? Bill N2CQR

I took my time getting the radio to the stage where I felt comfortable using it.? I took apart a non-functioning $2.00 Chinese Baofeng mic and replaced the guts withe the HFsignals provided mic

Rod, All I am always thanking Rod. And I'm sorry to interrupt Rod's work with too many changes in functionality. 1.072 will be tested and will be released as 1.073 Beta. Several minor ones have been

Chris. You have given the opportunity to add another great feature for uBITX Users. Thank you. I do not know about your External Filter. But I know that you are doing a great job to improve your

Phil (and others) - that adapter board I mentioned is a prototype only and was never intended for sale.? Therefore,I am not at liberty to sell even one of the very few on hand within our group and

Not hearing anything but noise. Not even anything on FT-8 this afternoon! I'll be on again this evening. -- John - WA2FZW

W7PEA Thanks for pointing this problem out. It has now been corrected. A number of these ‘syntheses’ need updating as new and better mods or fixes have been contributed by the community of

please see the photo here. https://ae01.alicdn.com/kf/HTB1sHhjcE4WMKJjSspmq6AznpXaS/86072-Free-shipping-18pcs-9-5mm-Dia-MIC-Capsule-electret-condenser-microphone.jpg The right side pin is for

I will be listening, but cannot transmit due to no license. Will post to this forum if I hear anything.

Those of you who can't use 7277 use 7177 and it's not a contest, just a friendly get-together of BitX operators! ? -- John - WA2FZW

Twiddling the bias pots is dangerous, can easily blow the IRF510's. The bias pots get set at the factory for around 100ma of drain current as described in the tuneup section on hfsignals.com. Output

We've had a wiki up for a year or more: ? ?/g/BITX20/wiki/home And it is a good idea. The ubitx.net site offers the alternative of a curated site. ? Jerry 1000 people editi

As a follow up to my post about this heat sink, I did some testing of digital Tx'ing into a dummy load yesterday as I think I have my digital interface set up the way I want.? I did not use anything

Do you have any prototype adapter boards available? I would like to purchase one if available. I plan on using the Teensy 3.6 and switching to a 128x64 I2C/SPI Oled display.