[MRCA] IN-106A antenna base for the SCR-284 - What the heck?

[Dennis DuVall]

OK…  We can always count on Robert to step in set the detail record straight.

DD, W7QHO

*******************

> On Jun 22, 2017, at 9:24 PM, WA5CAB--- via MRCA <mrca at mailman.qth.net> wrote:
> 
> MS-55 through MS-49 were originally used with SCR-178, SCR-179 and SCR-203.
> 
> MS-55 is as rare as MS-56 (or actually I guess rarer, as I sold out of MS-55 in 2011 but still have two MS-56 available).  Also have IN-106's.
> 
> In a message dated 06/22/2017 21:44:53 PM Central Daylight Time, duvallddennis at gmail.com writes: 
>> Garret,
>> 
>> 
>> The two bottom sectors  of the SCR-284 “rod” antenna, MS-56 and MS-55 are unique to the SCR-284.  The bottom section, MS-56 has a smooth cylindrical bottom end that fits into the 1N-106A.  The top end of MS-56 mates with the bottom end of  MS-55, the top end of which mates with “standard” section MS-54 and so on up through MS-55, MS-54,  MS-53, MS-52………….MS-49 (top section).
>> 
>> MS-56 (bottom) sections are now extremely rare, the last one I saw on eBay went for $500!  Better start thinking about some kind of adapter.  Got a machinist friend?
>> 
>> 
>> Dennis DuVall,W7QHO
>> Glendale, ca
>> 
>> 
>> **********************
>> 
>>> On Jun 22, 2017, at 5:05 PM, Garret Scott <scottgs at bellsouth.net <mailto:scottgs at bellsouth.net>> wrote:
>>> 
>>> I acquired a NOS IN-106A base, for the SCR-284 (BC-654). This is the old original style with the large ceramic insulator. 
>>> 
>>> But…  I don’t understand how the MS-56 antenna section attaches.  There are no threads in the base!!!
>>> 
>>> I’ve studied TM 11-275, and I just don’t get it. 
>>> 
>>> Can anyone help me regain sanity? 
>>> 
>>> Thanks,
>>> Garret
>>> W8BUG
>>> 
>>> 
>>> 
>> 
>> 
>> 
>> 
> 
> 
> Robert & Susan Downs - Houston
> wa5cab dot com (Web Store)
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