[Milsurplus] [Bulk] Re: Collins automatic antenna coupler / tuner

[Francesco Ledda]

It is a nice unit with Selcal and crypto. Power of eBay :)

Sent from my iPhone


On Apr 11, 2011, at 12:42, Mike Morrow <kk5f at earthlink.net> wrote:

> Francesco wrote:
> 
>> ...My 490T-9 has an ARC-174 tag.
>> But, this is confusing:
>> I have an ARC-174 system, and this has a 100W RF amp with built in coupler.
>> What amplifier was used with the 490T-9?
> 
> The web site http://tsc-60.cellmail.com/tsc-60/other/174/index.html states that
> the Collins 718U (of which the AN/ARC-174 is a varient) could be configured for
> 100 to 1000 watts output.  The chart of 718U components at this web site shows
> the Collins 648A-1 as the 1000 watt amplifier for that version.  Presumably, a
> separate high power rated coupler would be required, so perhaps the 490T-9 is
> one such candidate.  It's shown in the chart, with several other 490T versions.
> 
> You are the first person I've heard about who has an AN/ARC-174!
> 
> Mike / KK5F
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