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One more interesting thing. I added a new measuring device to the chain and let the tuner tunes the antenna. My Rig agree with Daiwa 801HP and also with the chinese SWR meter.? All are showing around

Yes, exemplary service that backs up great product!mark kx8xx

I would like to thank LDG tech support for quite an exceptional level of service. Within a day I got a reply, an advice for additional checks (in case I missed another possibly failed component), and

Hello Gene, I replaced Q1 and the tuner works just fine, thank you very much! Regards, Vlad

I was just able to resolve a similar issue...I have a FT 817 and a FT 818 and two Z817 tuners. I purchased the 818 new with a new tuner, the other set I got used through E Ham website. The Ft 818 and

Good day Jos, thanks a lot for the link, this one looks like the older version of PCB and schematics.. Cheers, Vlad

Hello Gene, this is exactly it, thank you very very much! 73! Vlad

MMBT4356 Transistor

Can thise be of any help?

Hello, I have accumulated 2 (well, over time :) ) Z-11 tuners, one just stopped working, the other was plugged into 36V wall wart adapter for antenna controller in a rush.. 36V casualty will require

I have something similar. 20’ flagpole OCF dipole antenna with an AT-600 PRO II inside a Tupperware container inside a fake rock at the base. It worked great. I was using it with an Icom 756 Pro

I used to have the SGC-237, also at the base of a 43ft vertical and installed 32 30ft radials. Some were less than 30ft after several grass cuttings, hi, hi. Sold the 237, kicked myself sometime after

Did not know that. Interesting. I used to use the RT-100 tuner at the base of my 46-ft vertical mast, driving a 43-ft vertical, an 86-ft Inverted-L or a 136-ft Inverted-L… all with at least one but

If you are using a Yaesu radio with the ability to employ the ATAS-120 antenna, the LDG RT-100 can be controlled by the ATAS function of the rig without using the Bias-T box. My RT100 works just fine

I run all my tuners out at the antenna, not in the shack. I have never done it with the 600 series. Good luck. Vy73 – Mike – KD5KC – WRFF851 – El Paso – Texas – DM61rt. SOTA W5T-Texas

I just purchased an AT-600 Pro II and want to mount it at the antenna inside a weatherproof enclosure.? Has anyone done this? I'll provide power to it but wonder if it will tune and retune the

I am using an RC/RT-600 to tune a 20' HB flagpole antenna. I have a 1:1 Guanella balun on the output. It works very well, if not quite as the manual says it does. It DOES NOT, as the manual says,

I collect and use remote antenna couplers, and recently had the good fortune to obtain this N.I.B. ! I'm interested in reading others experience with this one, especially if you've hung a choke and

-- I have an LDG AT-200ProII which I bought in July 2024. It has been working fine on Antenna 2 with my ZS6BKW antenna. I added another EFHW antenna to the Antenna 1 Port. When I try to switch to

Is the radio end of the interface cable making it all the way into the jack on your radio? I've trimmed a few LDG cables ends, to fit into 817/818s, that didn't have adequate clearance. Mike? N3PM