[amsat-bb] Re: CO7WT on SO-50... successful try !!!

Ing. Pavel Milanes Costa pavel at conas.cu
Thu Feb 7 06:20:51 PST 2013


Yesterday evening I get hands on the tools and eyes on the gear, and 
manage to deduce a procedure to adjust the sensitivity of my RX rig...

This was great, just with a Digital Multimeter measuring the noise level 
at the RSSI on the FI IC of the radio I squeezed the sensitivity of the 
rig to it's maximum... (from 0.45 v at the original setting to 1.1 v 
whit my setting)

There has to be a more efficient ways, buy whit the tools on my hand 
this is the only way...

 From not hearing any station with the 15dBd yagui to 3 contacts on the 
night pass of SO-50 with only 13 degrees in the pass... That's a 

So CO7WT is ACTIVE on FL11 in every SO-50 pass that I can work... My 
setup is working OK now.

Thanks to N8RO, K4FEG and WA4NVM to be my first satellite contact on the 
bird, LoTW upload in progress...

I will to be active today in the 1638Z pass if you want to make a contact.


El 06/02/13 10:32, Ing. Pavel Milanes Costa escribió:
> Hi to everybody,
> I (CO7WT) was active on the midday pass (~1720Z) yesterday...
> I tried to make a contact but my RX radio is deaf.. it's a TK-860 
> channelized commercial radio that shows reduced sensitivity on the ham 
> band (I know that now...)
> I was with an hombrew DK7ZB yagui of 6 elements and about 15dB of gain 
> but copies the signal so weak... it was just a try to test the gear, 
> Hector (CO6CBF) is guiding me about operation skills and told me that 
> I was loud in the pass and let every one calling for me... for those 
> ho heard me that time, please I'm sorry... this was only a test.
> I will try to re-tune my commercial UHF radio for the ham band and 
> will try the contact in the future... so wait for me, and you will get 
> the FL11 grid...
> 73, CU on the birds from CO7WT.
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