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I will forward it to you when I return home tonight. 73's. George Blake W6BDD

Hey George: I sent you an email to the address listed here. If you have a pdf file of the 1kW tuner assembly instructions, I would greatly appreciate receiving a copy of it. I bought a Chinese 1 kW

Hi, Tony On my opinion the problems with algorithm are proved. Because in the manual mode is possible to find raght combination. In this tuner I have increased first element value especially to

Dear Colin, Oh, yes! My bad, I thought it is about the ATU-100. The ATU-10 has rather weird line of values, I'm not content at all with. I'm sure the problems users experience with its' (mis)tuning

The person in the Ukraine (Eu2AV) designed his off of David's design. I found his web page and he has almost everything you could want to build the 1 kW

For some reason, I read this thread as ATU10….

meaning, it can match an antenna impedance between 20 ohms to 1.5k ?

Dear Joshua, Thanks for the report! Dear David, I think most of the problems in the ATU-10 are not for the tuning algorithm deficiences (they are not proven to exist), in my opinion the root of the

Hello! The capacitances and inductances for the ATU-100 part of the script was taken from the official schematic file (

What is your version, Chinese with oled display or Russian with 16 char x 2lines LCD display?

If I didn’t make a bonehead math error that makes it: 22pf - 4079pf .1uH - 18.48uH

I don’t but, capacitors are added in parallel and inductors in series. Colin - K6JTH

Yes, turned out the micro wasn't getting voltage. Check that first, right at the chip. Vince - K8ZW. -- Michigan VHF Corporation -- nobucks dot net https://www.nobucksboutique.com

Does anyone have a simple range of impedance and capacitance for the ATU-10? For example, the Elecraft T1: I do see in his (N7DDC) script already mentioned here a list of inductors and caps in a few

Hi, Joshua. Thank you, nice job. ATU-10 requires new his own tuning algorithm. The old one using in ATU-100 is not working properly there. I will work on it soon.

ATU-10 Random Wire Testing Test completed with a Tufteln 9:1 QRP Antenna Antenna configured with an elevated feed point slopper and counterpoise hanging straight down Coax RG316 17' ATU-10 Sourced

Has anyone bought a kit and the CPU doesn't work? Mine puts out no data to the display. One relay is active. Nothing else works. I have tried Master Reset, power down. Nothing works. I also received a

I have some I got from a seller on Amazon. I made a PDF of them and can send it to you. I bought the kit. The CPU does not function. It puts out no SDA or SCL for the display. The display does not

Hi.In the ATU-10 assambled, the problem (4 times) is the contacts of legs of relays. Are short legs and is mandatory resolder and chek the continuity on the other side(Sorry my english)JosepEnviado

Al, Interesting. I have one of the ATU-10s that will sometimes find a tune and sometimes will not. I assumed it was a problem with the hardware and when I opened it noticed the use of glue around the