[ICOM] AH-2 Controller

Martin Sole msole at loxinfo.co.th
Mon Aug 7 03:51:02 EDT 2006


Hmm???

Gets me to wondering what one of these AH-2 controllers might be worth? 
To some one who needs one of course. I have an unused one, sort of NIB 
except no B. Pictures available.

73
Martin HS0ZED


Gary Fiber wrote:
> The AH-2 controller had a cable that connected to the CI-V to place the 
> radio into a continuous carrier mode. I don't remember but I think it 
> placed the 735 into FM.
> 
> The AH-2, AH-3 and AH-4 tuners always required the power output to be 
> throttled back down to 10 watts for tuning purposes. That ALC signal is 
> in the 7 pin din connector coming from the tuner controller for the AH-2 
> system. The little extra cable was for connecting the CI-V control.
> 
> The AH-2 would never plug directly into the 730, 740, 751, 751A. You 
> could connect it with the OPC-118 which would allow you to adjust the 
> ALC coming from the AH-2 controller so the 730 etc would drop to 10 
> watts out. But you would have to place the radio into AM mode manually. 
> The controller will pull the PTT low causing the radio to transmit when 
> the tune button is pressed.
> 
> I did tell several while working at Icom.using the UX-14 in the 751, 
> 751A would allow the AH-2 controller to place the 751 into a carrier 
> mode and allow the AH-2 controller to control the 751 /A like the 735.
> 
> There are a few differences between the AH-2 tuner and the AH-3 subtle 
> though. The marine versions, AT-120, AT-130 the timing was different. I 
> have an AT-120 modified to work like an AH-2. When unmodified the tune 
> control on the 706MKII would not shut the tuner off.
> The AH-4 covers 80 through 6 meters on a long wire of 23 feet or longer. 
> All the amateur tuners have a small memory function. The AH-2 had 8 
> memories and would tune quickly when the SWR was close to a good match..
> 
> I do not remember any Military purpose for the AH-2B antenna element. 
> With that being said so many Icom products are made and many never hit 
> the USA its possible that was in mind of the designers or they copied a 
> military whip antenna for amateur use.
> 
> Yes if you can find an AH-2 controller you could then use the AH-4 with 
> it on the IC-735.
> 
> Gary K8IZ
> 
> 
> At 04:07 PM 8/6/2006, you wrote:
> 
>> In a message dated 8/4/2006 23:50:56, softblue at alltel.net writes:
>>
>> << The '735' controler for the AH-2 also works for sure with the 
>> IC-730, 740,
>> 745 and 751A.  In the case of the non-735 units the extra cable to 
>> throtle
>> back the power as is used on the 735 is not needed.  However a 24 pin 
>> molex
>> to DIN plug is needed with those other rigs.  >>
>>
>> I'm curious about this "735 controller".  What is it:  an ICOM 
>> product, an
>> aftermarket product or a homebrew item?  Will it allow use of the AH-4 
>> with a
>> '735?
>>
>> 73, Blair k3yd
>>
>>
>> ----
>> Your Moderator: Dick Flanagan K7VC, icom-owner at mailman.qth.net
>> Icom Users Net: Sundays, 1700Z, 14.316 MHz
>> Icom FAQ: http://www.qsl.net/icom/
>>
>>
>> -- 
>> No virus found in this incoming message.
>> Checked by AVG Free Edition.
>> Version: 7.1.394 / Virus Database: 268.10.7/410 - Release Date: 8/5/2006
> 
> Gary Fiber K8IZ
> GROL PG-19-6691
> Washington State Resident
> 
> 
> ----
> Your Moderator: Dick Flanagan K7VC, icom-owner at mailman.qth.net
> Icom Users Net: Sundays, 1700Z, 14.316 MHz
> Icom FAQ: http://www.qsl.net/icom/
> 


More information about the Icom mailing list