[MRCA] BC-611 Range

[mac]

About 10 years ago a question came up out here concerning D-Day COMs  
and whether or not a BC-611 could have been used from the beach to  
direct supporting Navy gunfire.  Ran a test here between Ft. MacArthur  
in San Pedro and the SS Lane Victory on one of it's summer cruses out  
to Santa Catalina Island and back.  Our conclusion was a definite YES  
to the original question as also confirmed by Rob and Brown, see below  
(provided the Navy was listening, of course).  At the time equipment  
problems unfortunately precluded our finding out just how far 611- 
to-611 COMs could be maintained over a clear salt water path.  On  
another occasion, though, with a BC-611 on the ship and a GRC-9 on the  
beach at San Pedro, the GRC-9 voice signal was received loud and clear  
all the way out to the Island, a distance of 25 miles.  Voice COMs  
back from the -611 were lost long before that but the carrier was  
still strong enough from the island to make out CW characters sent  
with the PTT switch.

Dennis D.  W7QHO
Glendale, CA

***************
On Aug 24, 2013, at 5:14 AM, Rob Flory wrote:

> At the same event that Chris mentioned, I worked W1NZR and KW1I,  
> each using their BC-611s, with my TBX set, over about 12 miles of  
> water.  No enhanced antennas were used.
>
> Breck, are you adjusting the internal antenna loading coil to match  
> the vertical, or doing something external?
>
> RF
>
>
> On Sat, Aug 24, 2013 at 8:06 AM, Christopher Bowne  
> <aj1g at sbcglobal.net> wrote:
> Interesting, can't quite see how you have the vertical connected to  
> the 611, assume its just clipped on to the 611's slightly extended  
> whip?
>
> When LST325/WW2LST came up to Mass Maritime Academy through  
> Buzzard's Bay back in 2005, I recall making a solid contact with  
> Perry on the port bridge wing with his hand held 611 to my GRC-9  
> "coastwacher" setup on the beach of West Island, across a LOS path  
> of about 3 miles.  I was using a beach mounted vertical whip similar  
> to yours with 4 80 meter 1/4 wave radials with at least two of them  
> run into the salt water with the Angry 9.
>
>
>
>
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