[HamWAN PSDR] Anyone wanna help with an 8 mile microwave test tomorrow?
Jeff Francis™
jeff at gritch.org
Sun Mar 31 13:16:58 PDT 2013
Don't know if you got any takers or not, but I'd be up for this on some
weekend that wasn't Easter. I can give you up to 1kw of modified sine wave
AC from an inverter, or 4.5kw if I throw the generator in the back of the
pickup.
Now that I think about it, I'm out next weekend, too (for work). Jobs
sure interfere a lot with hobbies...
Jeff N0GQ
On Sat, Mar 30, 2013 at 8:42 PM, Bart Kus <me at bartk.us> wrote:
> Hello,
>
> As part of confidence-building, I and one other person are going to
> attempt an 8 mile microwave transmission @ 5.885GHz tomorrow. TX power
> will be just +10dBm. 30dBi and 32dBi dishes will be used. Projected RX
> power is -60dBm. Receiver is sensitive down to about -115dBm, which gives
> us about 55dB of fade margin before the signal is undetectable.
>
> This is the first long-range outdoor test to verify all the previous
> measurements + theory. Assistance would be good, especially if you have a
> vehicle which can produce 200W or 500W of 120VAC. Picture taking would
> also be cool, as would operation of UHF comms for coordination (alignment
> help).
>
> Let me know if you'd like to help. I'll likely leave my place around
> 11AM and we'll go no longer than 6PM.
>
> --Bart
>
>
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>
--
-=jeff=-
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