[600MRG] 630-meter EM-COMM

[John Langridge]

>May also be problematic for field day operations, and contesting
activities like IOTA.

no.  you just register any site at least 30 days in advance.  I've
registered about 40 sites that I might work portably in my area in the
future.  not mobile.  portable.



On Wed, Nov 8, 2017 at 12:50 PM, michael polia <ab1aw at yahoo.com> wrote:

>
> As Dick Illman pointed out: "It should be noted that we can presently only
> operate from locations thathave been preapproved by the UTC."
> Sort of puts a damper on setting up an EM-COMM site.
>
> May also be problematic for field day operations, and contesting
> activities like IOTA.
>
> 73 MikeAB1AW
>
>       From: Marshall Cross <mcross at megawave.com>
>  To: Frederick Raab <w1fr at gmrr.biz>; "600mrg at w7ekb.com" <600mrg at w7ekb.com>
>  Sent: Wednesday, November 8, 2017 10:55 AM
>  Subject: Re: [600MRG] 630-meter EM-COMM
>
> And just want to add that some of the 100 mile groundwave daytime cw
> contacts were made with simple roll-out on-ground antennas fed by Juma 60
> Watt xmtrs. 73, Marshall, W1HK
>
> -----Original Message-----
> From: 600MRG [mailto:600mrg-bounces at w7ekb.com] On Behalf Of Frederick Raab
> Sent: Tuesday, November 07, 2017 9:17 PM
> To: 600mrg at w7ekb.com
> Subject: [600MRG] 630-meter EM-COMM
>
> November 6, 2017
>
> Gentlemen:
>
>     As Pat W5THT points out, we have hardly had an amateur band long
> enough to use it for EM-COMM, and we don't want to hope for the opportunity.
>
>     However, it should certainly be possible:
>
> -  W0RPK and KN8AZN(SK) built a transportable station -
>   something you could carry in a van or pick-up
>   truck to the place for deployment.  It was used
>   on the air and made contacts.
>
> -  We ran a number of tests of ground-wave communication
>   and demonstrated 24/7 ionoshere-independent comms
>   over about 100 mi or moore.
>
>
> 73, Fritz, W1FR,
> Coordinator, ARRL 500-kHz Experiment
>
> Frederick H. (Fritz) Raab, Ph.D.
> GREEN MOUNTAIN RADIO RESEARCH COMPANY
> 1183 Jonquil Lane
> Boone, Iowa 50036  USA
> Tel.  +1 (515) 275-2141
> Cell:  (802) 598-9527
> E-mail:  f.raab at ieee.org
> Alt:  fraab at gmrr.biz
> Web:  www.gmrr.biz
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