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As long as you don't remove power, I believe the ATU-100 will retain it's last tune indefinitely. If you had the tuner in 'Auto' mode, this would be the exception... Russ, va3rr

If I tune an antenna with the ATU-100 and a 50 watt radio, can I remove that radio and hook up a QRP radio in its place without re-tuning. I’ve heard that the ATU-100 will not tune with less than 5

Hi, where it is possible to download schematics, gerber files and source code ? Regards Luca IK2LRN

The fully future menu with only one multifunction button ? I gave up that idea couple years ago. My perfectionist said NO.

I have an ATU-10 bought from Banggood. All seems good with the construction and function except it appears that when tuning RF is messing with the display and turning pixels on / off that shouldn’t

Hi, On reflection I guess my post with images of the graphs and manual reads like an ad. Genuinely posting and responding to N7DDC's reply to post images of the graphs and menu as these differences

Probably nowhere. This is not sharing anything, this is an ad. Just dropped by to say thanks to David for all his hard work and draw customers... http://www.antuner.com/

I just tried it with a TS-130 I have on the bench and it worked fine. ?Thanks for the tip, Dave. ?And thanks Billian for the suggestion about the antenna. ?I'll keep that in mind. 73 Howard K4LXY

Ah ha - I was indeed using with a uBitx. ?I'll try it with something else. (It's acting the same whether it is in Autotune or not) 73 Howard K4LXY

Sorry for the off-topic health QRM here.... vk3pe

Hi Howard, If the ATU-100 is not in auto mode, I would not expect it to retune. It may be the case if you are using something like a uBITX, there is a burst of splatter when it first keys up from RX

I had the same issue with mu ATU-1000. While tuning fine with a single tone, it was retuning constantly on the lower part of 40M band and ONLY on LSB. When I switched to USB there was no issue. This

May it isn't retuning. ?Maybe it is just the display. ?When there is a pause in transmission, the SWR readout is high for a fraction of a second and the readout is Tune before showing low SWR. ?I

That’s all it was! ?The cable that came with the ATU was for charging only, not data transfer. ?Unbelievable! Thanks Donald, it took less than 5 minutes beginning to end, to transfer version 1.6

Thanks Donald, I thought it might be a “defective” cable, but I thought since it charged properly, that wasn’t the case. So, your suggestion is a good one. ?I’ll have to find and try another

Are you using the cable that came with the ATU as some only have the 5V connected try a diffrent cable.

I recently purchased an ATU-10 assembled (AliExpress) which arrived today. ?Mechanically, all appears to be soundly constructed. ?The display notes firmware version 1.5 on start up. Now the crunch..

Hi Dave?Yes after two weeks there I came home. Basically the change of BP medicine has fixed. About 95% better now. And yes it was very boring. Most nurses here by the way these days are Indian or

Am i to assume that you are all better and back home.? The only thing good about a hospital it you get to watch the girls and do nothing.? although some of us find that to be a bore. address is as

I recently got an ATU-100. ?It tunes but doesn't seem to retain the tune. On CW, for example, if there is a brief pause between words, it retunes. ?It seems to do this whether it is in autotune mode