[MRCA] GRC-106 Remote at Gilbert?

[KA1LHZ]

I use a H-159 handset with a Motorola carbon element. The only mod I had
to make was move one pin in the U-77 connector. I also have the pinout
of the U-77. I'll dig out the TM tomorrow.

73

DE KA1LHZ


On 09/02/2016 08:42 PM, Radio Station KW1I wrote:
> It sounds like the soldering irons will be smoking late into the night
> on Thursday.
>
>
> -----Original Message----- From: B. Smith
> Sent: Friday, September 02, 2016 7:52 PM
> To: mrca at mailman.qth.net
> Subject: Re: [MRCA] GRC-106 Remote at Gilbert?
>
> Sounds like a nice Thursday night project at Gilbert, what say Walt? Now
> if I can just find the "break out" box for the U-77.
> Z
>
>
> On 9/2/2016 6:16 PM, Tom B wrote:
>>
>> I should have added that pin J is NC on the H-33.
>>
>> Tom
>>
>>
>> On 9/2/2016 6:11 PM, Tom B wrote:
>>>
>>> According to the GRC-106 manual, the dynamic mic input goes directly
>>> from 1A5 to pin J on both audio connectors J18 and J19.  It looks to
>>> me like you could easily make it work with the GRA-39 with the
>>> correct cable.  It looks like only one wire is moved.
>>>
>>> I have some cables here that have two U-228 connectors and one U-77
>>> but I don't know what they were made for.  It would fit the GRC-106
>>> for this application but I am not sure what these were for.
>>>
>>> I have seen a similar cable for the PSG-2.
>>>
>>> Tom
>>>
>>>
>>>
>>> On 9/2/2016 5:59 PM, WA5CAB--- via MRCA wrote:
>>>> It is still listed in SB 11-6 (FSC 6135 Primary Battery Supply
>>>> Data) dated 28 May 1982.  I don't have anything more recent.
>>>>
>>>> But TM 11-5820-489-nn do not all date from 1983 through 1987.  The
>>>> initial manual of the series, TM 11-5820-489-35P (which replaced
>>>> SIG 7 & 8 AN/GRA-6) was dated 11 June, 1962.  TM 11-5038, which
>>>> originally dates from 18 April, 1951, wasn't replaced by a
>>>> long-number version until some time after Change 7 dated 16 May 1967.
>>>>
>>>> Robert Downs - Houston
>>>> wa5cab dot com (Web Store)
>>>> MVPA 9480
>>>>
>>>> In a message dated 09/02/2016 16:01:41 PM Central Daylight Time,
>>>> RAFANTINI at salisbury.edu writes:
>>>>> The TM 11-5820-489 family of books all date from 1983 to 87 so the
>>>>> AN/GRA -6 family of products were still in production and use
>>>>> around the same time as the AN/GRA-39. I would speculate that the
>>>>> GRA-6 was kept around just for that fact that it would directly
>>>>> support the AN/GRC-106 family of radios. The GRA-39 always
>>>>> appeared to be a newer and better box but maybe the more primitive
>>>>> GRA-6 had its place?
>>>>>
>>>>> Will have to look and see if I can find production dates on my set.
>>>>>
>>>>> How long was the BA-414 (45 volt B Battery) available???
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> Ray F/KA3EKH
>>>>>
>>>>>
>>>>
>>>
>>>
>>>
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>>
>>
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