[HamWAN PSDR] Anyone wanna help with an 8 mile microwave test tomorrow?

Kenny Richards richark at gmail.com
Sun Mar 31 13:27:22 PDT 2013


I'd love to take part to, but need a little more heads up. 

I also can bring my little generator, pretty quiet and puts out 1300 watts. I use it for Field Day normally.

Where were you going todo this?

Sent via radio waves!

On Mar 31, 2013, at 1:16 PM, Jeff Francis™ <jeff at gritch.org> wrote:

>   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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