Hi

Just a guess: 

Single band GPS with a preamp that runs on 12V (or 5V). Gain around
30 db.

Bob

> On Feb 8, 2022, at 3:31 PM, John Miller via time-nuts 
> <[email protected]> wrote:
> 
> Hey all,
> I'm looking for a specs sheet for an antenna i recently got my hands on. It's 
> marked Topcon on the top, II Morrow Inc model 590-1114 on the bottom. I've 
> tried searching in all the usual places but haven't found anything yet. If 
> anyone could send anything my way that would be much appreciated!
> 
> Some pictures here:
> https://photos.millerjs.org/?f=Topcon+Antenna
> 
> Thanks,
> John
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