[NLRS] 75 cm dishes wanted and give away.

[Mary Brown]

the "wind holes" are useless beyond removing weight... testing on mesh 
aluminum C band dishes found that in winds above a certain speed the 
dish behaved like a solid despite being mesh.


Mary

W0AAT

On 6/3/2024 8:29 PM, Thomas Murphy wrote:
>
> It's a different design and intended for a receive-only audience with 
> a rather different feed configuration, but KrakenRF has this funded 
> crowdsourcing campaign for a stamped aluminum 70 cm dish with optional 
> L-Band weather, Inmarsat, or hydrogen line LNA feeds: 
> https://www.crowdsupply.com/krakenrf/discovery-dish/
>
> It will eventually be built out of three stamped sectors with vent 
> holes and is targeted to be <1 kg assembled with one of the receive 
> feed options.
>
> It may not quite be what you want, but is similar, current (soon) 
> production, and should have documentation for various hacking.
>
> -Thomas / WN1C
>
> On 5/29/24 21:22, Gary wrote:
>>
>> Hi Everyone,
>>
>> I have one STEEL 75 cm oblong dish that I can't use. Too heavy for 
>> roving. They have most of the hardware and the feed arm. However, 
>> there are no feeds. Free for pick up or I can bring it to Aurora. I 
>> had two but Mary, WØAAT has spoken for the other one. Still waiting 
>> for her to pick it up.
>>
>> I am still looking for a 75 cm aluminum dish. This is the dish that 
>> Jon, KØFQA, sold many years ago. Many of us bought them from Jon. The 
>> dishes were made of thin aluminum so I don't know how many survived. 
>> Jim, KFC uses one on his dual band setup. There are many to be found 
>> on the internet from China. They are dirt cheap. Unfortunately, I 
>> don't need a thousand or more of them. I lost mine when, in a rush to 
>> leave a rover site, I left it by the side of the road a few years ago.
>>
>> Here are a couple of images from the internet to jog everyone's 
>> memory. These are white, the dishes that Jon sold are grey in color 
>> but look the same except for the feed horn mount.
>>
>>
>> .
>>
>>
>> If anyone has one that has survived and is willing to part with it 
>> please let me know.
>>
>> 73, Gary WBØLJC
>>
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