[NLRS] 3400 MHz EME attempt

Mary Brown maryalanab at gmail.com
Fri Dec 29 20:27:51 EST 2023


Would add 10db gain... would have ot use the calculator to see if it is 
enough... beam width on the moon is wide, 5 degrees... so your TX power 
isn't all making it...


EME Calc says that setup with 30 watts your end would be -11db his 
end... those figures are usually a bit optimistic! I can't run a calc 
for the looper... not easily anyway...


Mary

W0AAT

On 12/29/2023 2:19 PM, Jon Platt wrote:
> I do have a 1.2 meter offset dish that would have been much better, 
> but no 9cm feed for it.  It was a spur of the moment attempt using 
> what I had on a 24 hr notice.
>
> 73, Jon
> W0ZQ
>
> On Friday, December 29, 2023 at 11:09:20 AM CST, Mary Brown 
> <maryalanab at gmail.com> wrote:
>
>
> Fun isn't it! To bad you don't have a small dish! 4' would have done it!
>
> On 12/29/2023 11:02 AM, Jon Platt via NLRS wrote:
> HB9Q posted that they are loosing the 9cm band starting in 2024 and 
> they were looking for any last initial EME contacts on that band. Dan 
> has a 10m solid dish and 100W at the feed and said /"You only need a 
> minimal station to work me/".   Well, ..... I have a minimal station!  
>  How about 30 watts and a 5 foot loop yagi, 20 dBi, my rover antenna?  
> After setting up my "rover stuff" in the garage and mounting my mighty 
> 5' looper on my Az/El mount in the driveway I met Dan on the HB9Q 
> logger and we gave it a go. My setup was a DB6NT transverter converted 
> from 3456 to 3400 via a LeoBodnar GPSDO, no preamp, and a Tosibia 
> amp.  The antenna was fed through about 5' of LDF4.  The good news is 
> that I did get a number of decodes from Dan, the bad news is that he 
> never got any decodes from me, so no Q. Q65C-60 and Dan was doing all 
> the frequency correction on his end (not to mention all the heavy 
> lifting).  So despite the no-Q, it was fun to see HB9Q decodes pop out 
> of the ether using a very minimal system (on my end).
>
> 73, Jon
> W0ZQ
>
> Inline image
>
>
>
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