Icom AH-4Automatic Tuner 8. This modification has been read 7458

%��������� ICOM AH-4 antenna tuners are specially designed to automatically tune a long-wire antenna for portable or mobile HF/50 MHz operation.

The submerged AH-4 is at least 15yrs old. If you feel that this review is inappropriate and should be removed from the site, report it to us by clicking the "Report Abuse" button below. Jarboys Outdoors & Marine Supplies -AUTHORIZED. Image is a representation of this item.

LED start blinking , which indicate tuning is in Works flawlessly on all bands while matched with Icom 7100 and Icom HF Antenna.

from NY, Date: I put up a truly random zig-zag wire and had excellent results in the most recent DX contest. Good signal reports.

I wrote an earlier review with the AH-4 in the shack. Also for many years I have hated dealing with the installation of them for fixed or portable operation, so I finally broke down and benched the tuner and started making it more friendly towards to use.

It provides reliable matching of frequencies from 3.5 to 54 MHz when using a … It provides reliable matching of frequencies from 3.5 to 54 MHz when using a wire of at least 23 feet (7 m) in length.

AH-4 Instruction Manual .pdf 485.86 KB Hi-Resolution Image.

However, my wire wasn't working so well because it wasn't high enough. Length, Each, Antenna Tuner Radio Interface Cable, For ICOM AH-4 to ICOM Transceivers, Four Conductor, 16.4 ft., Each. Also it is important to disconnect and ground the antenna wire. The AH-4 complies with essential requirements of the 89/336/EEC directive for Electromagnetic Compatibility.

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Click here to view wiring example. Unable to add item to List. Loading...

Order this item and get free delivery and handling on your entire order! I have used AH4 tuners with my Icom rigs for many years. Previous page of related Sponsored Products, industrial quality, works better than specified, Reviewed in the United States on April 23, 2019, Pleasantly surprised with quality and performance at the touch of the tune control.

Your JavaScript appears to be disabled. Prime members enjoy FREE Delivery and exclusive access to music, movies, TV shows, original audio series, and Kindle books. 160 to 6 in 3-4 seconds and I work just about everyone I can reasonably hear.


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Learn more about TLS.yvwsdryfdfryyzerzxuyfuwqswxezt. The AH-4 comes with a 16 foot (5 m) control cable that connects to the rear panel of compatible Icom transceiver. radio.

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The tuner is grounded there as well..

I hooked up one side of the ladder line to the post for the single wire that it was made for.

FS: Icom AH-4 Auto Antenna Tuner (never used) 7. ICOM AH-4 ANTENNA TUNER EXPERIENCES. The AH-4 is sealed in a plastic weatherproof case for convenient mounting outdoors under your antenna. Size:  7 x 2.9 x 9.2 inches 2.65 lbs.

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In my case I have a composite bed which makes things really difficult with grounding. Reviewer: Note: For additional information, please look at the files under the "Documentation" tab.

You can return any new or unused item within 10 days of the date your item was shipped and we will refund the full purchase price. Top subscription boxes – right to your door, © 1996-2020, Amazon.com, Inc. or its affiliates. It incorporates 22 relays that switch combinations of inductance and capacitance to achieve tuning – typically within 1 to 3 seconds.

The antenna will roughly be constructed as follows: The first meter or so of the spiderbeam pole will be buried in the sand, preferably with some additional hardware to use as an anchor point. Results: The AH-4 tunes to 1:1 on all 80-10m quickly and easily. found this review helpful.  Not currently stocked, Larger Photo | Mounting | Wiring | AH-2b Whip. Requires a wire 23 ft. long and suitable ground plane for 3.5 MHz operation. Your question might be answered by sellers, manufacturers, or customers who bought this product. Moved to a different QTH and a new vertical pipe, flawless operation. President Andy AM USA 12/24V with NOAA Weather Channels & Alert! This tuner requires about 10 watts (5-15 Watts) to activate and can handle up to 120 watts. such as order checkout, to operate on this web site. The unit is mounted on a 4x4 about 18" off the ground with a 58' wire sloping into a tall pine.

DC power supplied by control cable from transceiver.

I will need a remote tuner with th vertical as it not resonate on any ham band without a tuner. Tried the ground braid to the chassis but that did not work.

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The shield covers were badly rusted before the flood, they aren't plated well. Technical corner Using antenna tuner AH-4 with IC-705 JK3AZL Naoka Takaoka Shipment of IC-705 to retailers has started. of

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Copyright© 2020 by DX Engineering There is four wire control cable coming out beside coax cable.

However, with this arrangement the tuner will not tune 6m. 0 If tuning is successful SWR should be less than 1.2.

I recommend that if you want good results. completed.

Operates 7-30 MHz with ICOM model AH-2B whip, or 102 in. | I bought one for my IC7300. The "PTT tune" function provides for simple operation when band-changing. I use mine for portable operations with four radials and a 40 vertical wire.

The control cable is connected to the rear of my IC-7200.

Contact the site with comments or questions. This thing works 80 meters on up--all frequencies of of ham all bands. There's a problem loading this menu right now. The AH-4 is a wide-range antenna tuner capable of matching a 50 ohm feed line to an antenna feed impedance in the range of 10 to 5,000 ohms. I've been running this tuner on a IC-756 Pro III and a 130' non resonate inverted L (insulated wire.)

Eton Elite Executive AM/FM/Aircraft Band/SSB/Shortwave Radio with RDS & Custom Leat... HYS Radios UHF 70CM 10 Watt Ham Radio 400-520 MHz Commercial Series TC-H10W Two Way... Eton Elite Field AM/FM/Shortwave Desktop Radio with Bluetooth, TECSUN Pl-360 Radio Digital PLL Portable Radio FM Stereo/LW/SW/MW DSP Receiver (Black). I do have an extensive ground system and I believe that is very important.

Icom AH-4 and AH-3 ( automatic antenna tuner ) connection to any radio Both AH-3 and AH-4 are similar . We’ll beat any advertised price on an in-stock product.

I have had great success on all bands 80-10m.

(Inside Summit Racing Equipment Retail Store).

This is the second one I’ve owned.

ICOM AH-4 antenna tuners are specially designed to automatically tune a long-wire antenna for portable or mobile HF/50 MHz operation. Your web browser appears to be out of date. Actual item may vary. Could not ask for more.

Unfortunately the Icom manual is very sparse and only suggests a very basic way in which to use the tuner (wire hanging out of “output” terminal, other end stuck into “ground”).

%PDF-1.3 When you subscribe, you receive only messages for It provides reliable matching of frequencies from 3.5 to 54 MHz when using a wire of at least 23 feet (7 m) in length. Your JavaScript appears to be disabled. The antenna tuner for the IC-705 is "to be released", but "I want to use the wire antenna with the IC-705 soon", so I tried to verify whether the AH-4 can be used with the IC-705. Frequency coverage: 7–54 MHz with the AH-4. This tuner may be attached to a pole using the two supplied U Bolts, or to a flat surface (screws and bolts are supplied). ( use eHam.net provides recognition and enjoyment to the people who use, contribute, and build the site. JOHN Best Tech Advice and Customer Support, before and after your purchase! Since I run ICOM radios why not the AH-4.

AH-4 hi-resolution image

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