[MVMA] W8LRJ-MVHS-Beavercreek Node

[Chuck Gelm]

On 12/2/23 14:12, John Westerkamp wrote:
> Hi,
>
> Ok, having studied this for a while now, here are my thoughts as to 
> why the MVHS side of the link is not hearing well.
>
> 1. The MVHS node is aimed well at my house so I hear it pretty well; 
> however, my node W8LRJ-BBush-MVHS is pointed at the ground or off a 
> bit horizontally so its signal isn't centered in the fresnel zone so 
> MVHS doesn't hear it as well.
>
> 2. The MVHS node is hearing too much of the DARA node that is aimed at 
> MVHS and on a "nearby" channel (141) while W8LRJ is on 136 (both at 20 
> MHz). This raises the noise floor at MVHS for nodes facing north (like 
> mine)?
>
> Do either of these make sense? I can try reaiming my home node both 
> vertically and horizontally and see if I can hit the sweet spot, but I 
> am not hopeful.
>
> Chuck, you can run the waterfall on W8LRJ-MVHS-Beavercreek using the 
> usual "F-word" password.
>
> Thanks!
>
> John
> W8LRJ

Test (2.)
Let's record signal levels as MVHS<>BBUSH
Then let's move the DARA node to channel 183 and reduce its power to 3 dBm.
Then let's re-record signal levels at MVHS<>BBUSH.