Am trying to model PA0FRI's FRI-Match Tuner in LTspice, but cannot manage to simulate a tuning match. The fault most probably lies with me, since...
A number of people have asked me about an antenna that I build that works all bands with no or little need for an ATU. While a good number of hams...
Not that I need one, but find it interesting to write software for it - and not least learn more about antenna and impedance theory. I have spent...
Moved to Antennas forum - please delete
Hello, I'm trying to find any information about this ATU. If you have pinout information or maybe wider tech spec of this atu - please leave a...
Hi all. I'm living soon in a new flat with a corner balcony with a metal railing and I'd like to experiment with some meters of 450 ohm of ladder...
Good evening fellow hams. I broke one of my LDG AT600 Pro11 ATUs recently. Stupidly used an incorrect cable, and now I don't have the supply...
Hello from Portugal! I have a FT-450 (initial verison, not AT or D) and i have a newbie question: as my radio doesn't have internal ATU, i got one...
Hello! This is CR7BAC, Pedro Silva from Portugal, and i have a newbie question: due to my complicated conditions to setup my shack (2nd floor...
And, if so, could you spare a couple of minutes to buzz out the connectivity of the cable please? I have two MFJ ATUs - an MFJ-929 and an...
Hi All, I am going to be putting up a large multiband wire loop antenna that I want to use from 160-10m. The total length will be slightly longer...
Naively, it seems like using an autocoupler at the base of a reasonably long vertical radiator (call it 43 feet - roughly 5/8 wave on 20m) should...
Hey folks. After watching a lot of my friends go to NO TUNE amp and tuners I want to go that way too. I've got a great AL-1500 (w/8877 tubes) and...
Hi; I would like to share an issue that happened to me today while using the ATU in 40m band. I was doing some tests in 7.290 and this is a bit...
Hi All I wonder could anyone with experience or knowledge please advise as to which might be the most sensible option to consider for an ATU to...
Hello, Does anybody have information on how to interface the SGC SG-237 remote tuner's control cable to the newer iCOM radios like the iCOM...
Hello, I am a relatively new HAM for nearly one one year here in VK-Land (Melbourne, Australia) and I have a question regarding the advantages and...
Hi all! I am prototyping an antenna tuner and want to see how it actually works on a variety of antennas but I don't want to radiate anything....
This is the review of a tiny tuner, the MFJ-904H, it can handles up to 150 Watts, not 300W as mention in the video at 0:40, sorry for the...
I just purchased my first rig a month ago and got hooked on a project to build an indoor coil-loaded antenna out of copper wire (10m) and a couple...
