[MRCA] MRCA Meet Recon Patrol Operations

[Ken Downs]

Back in 1980-82 when I was stationed at Ft Lewis, WA with the SHORAD battalion (1/67th ADA),  a higher HQ ran a division-wide air defense warning net using a crossband setup. They tied an RT-524 VHF rig and a GRC-106 HF rig together somehow. It worked pretty well, but I think it was one-way cross-band - VHF in and retrans out on HF until they figured out how to get the HF rig to key the FM set. I believe the GRC-106 has no squelch, or if it does, they could not get things going very well HF-to-VHF. They may have eventually come up with a custom outboard VOX box. I was not directly involved with it and do not remember how they did it. The concept was brought to Germany for a test (along with some other stuff) during an exercise at one point and seemed to work pretty well. Might be fun to play with using two back-pack rigs.

Ken, W1KRT

On Aug 25, 2012, at 3:25 PM, W2HX wrote:

Ok, I've never attempted the retransmit idea, but I'll see if I can figure something out between my HF sets and VHF set (PRC-119 with or without amp)


73 Eugene W2HX


-----Original Message-----
From: mrca-bounces at mailman.qth.net [mailto:mrca-bounces at mailman.qth.net] On Behalf Of Radio Station KW1I
Sent: Saturday, August 25, 2012 3:19 PM
To: mrca at mailman.qth.net
Subject: Re: [MRCA] MRCA Meet Recon Patrol Operations

Gene, Eugene and Al

Al is correct.  The 51.1 mHz is a typo.  FM liason comms will be on the 51.0 mHz frequency we have used in the past.

Eugene,

If you can engineer the HF to 6 meter link, go to it.  It would add a new dimension to our "scientific inquiry" efforts.  I think most if not all the stations will be able to copy each other on HF if we have good NVIS conditions.  As Al reported Penns Peak and Big Pocono have line-of-sight to the fairgrounds.  Beltzville can copy both Penns Peak and Pocono and if I recollect some ability to get into the fairgrounds.  Lake Minsi and Jacobsburg are pretty isolated on 51.0 and may have no FM comms to any other station.  FM coverage comments from previous MRCA radio ops at those sites are invited.

Dale




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