[NLRS] Larger offset fed dish reflectors ?

Dr. Gerald N. Johnson geraldj at netins.net
Tue May 24 17:35:03 EDT 2016


I've seen the larger offset dishes in use and that disappeared from use, 
kind of wish I had been around when abandoned. I have one that was used 
for DTN satellite data and it tested decently at some CSVHF in the past 
ten years. Its 30 inches. Made by Channel Master.

You can make an offset dish from a few petals of remains of a C band 
satellite dish, VE4MA is doing EME on a couple bands from Arizona in the 
winters with such an arrangement. K2UYH has written up designs for 
stressed strut offset dishes for EME in various conference proceedings 
and probably his EME newsletter.

There are a few larger dishes on epay, but the sellers believe they will 
produce a huge return on investment. Prices are better at: 
http://www.solidsignal.com/cview.asp?mc=02&d=directv-dish-detwork-satellite-equipment&m=&c=DIRECTV%20Dishes&page=2

A couple years ago on a trip to the cities I spotted a scrap metal place 
on MN 3 which had a couple conventional satellite dishes. I think it was 
north of Farmington, but could have been in Farmington and south of the 
intersection with MN149. Lots of their used steel stock was visible from 
the highway. I paid only a few bucks for a multiple feed satellite dish 
there.

73, Jerry, K0CQ


On 5/24/2016 2:34 PM, Ray Johnson wrote:
>
>
> Hi All
>
> At last year's gathering at K0FQA, someone mentioned they might have a
> source on larger offset reflectors like 1.2 meter or larger. They
> mentioned that they had reflectors only----No mounts or feed arms....
>
> Anyone remember who might have these ?
>
> ( You see these larger offset VSAT dishes on older BP gas stations
> around town.)
>
> Ray Johnson WB0EBG
> ______________________________________________________________
>



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