ICOM AT130 PDF

Icom automatic antenna tuner, Manufacturer’s Part Number AT, matches the SSB transceiver to a long wire or whip antenna with little insertion loss. for the AT/ATE/AT HF AUTOMATIC ANTENNA are registered trademarks of Icom Incorporated (Japan) in the United States, the United Kingdom. Find great deals for Icom AT Shop with confidence on eBay!.

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Use a antenna of at least 35 feet. It only takes a couple of watts of RF to figure out what to do. Just lately it stopped doing that.

For example, the AT will match a 7 m 23 feet long wire antenna across the marine band in the 1. The main benefit of the ‘ is cost. Ico tuning the same frequency twice, it is all over in less than a second. The versatile AT can be used with a variety of vessels, even smaller boats that cannot use a long antenna element.

What it really means is “ground this input if you want iclm to start tuning”. This allows it to be conveniently installed near the antenna element base. The manual says words to the effect of “Voltage input to trigger the start of the tuning cycle. It seems to be a bit more rugged than my AH-4, which I toasted by trying to tune a 75 meter mobile whip on 40 meters.

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My main gripe is the manual. My only beef is the unit’s inability to tune a balanced antenna. Low power tune-up The AT emits very little output power just mW during the tuning process. Retuning for a memorized frequency takes about 1.

I recently got my brand new AT working. The pain that I experienced was the “start” input. It appears it needs to also “be told” with a switch. One drawback to using the AT with the is that every time I would change bands or frequency ranges the tuner would automatically tune. Unacceptable in a marine HF system. It works great that way.

ICOM AT – Techno Marine – Marine Safety & Electronics

I purchased the unit while I ico, on holiday so I’d be forced to read through the manual for a few days before trying to hook it up. Improved tuning performance…the tune-up time is less than 3 seconds in any frequency icmo an HF marine band.

Use a choke balun to reduce shield radiation. As its a commercial unit and unlikely to be connected to a non-icom HF set, I can see why this has gone undetected. You have to manually start the tuning process for any new frequency.

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Icom AT Product Reviews

Sadly, it is not compatible with a balun Automatic tuning No manual tuning is needed. Now when I press the “voice” button that is normally used for the voice synthesizer option – not installed the tuner begins it process.

Weather resistant The AT is housed in a durable, completely weather-resistant acrylic case with rubber gaskets. Usually closer to 2. At home I was feeding my balanced antenna with open-wire feeders directly from ixom AT with no choke on the coax and control line. By design, it wants to end feed a random wire.

Icom AT-130 Antenna Tuner

The AT allows you to transmit with strong RF output power, and is perfect for maritime mobile operations. Normally 8 Volts, when less than 1 volt is recieved a tune cycle will commence”. Give it a better than average ground.