[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/
>>
>>
>> --
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>
> 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/
>
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