[Laser] NEW RECORD XE

Alvaro de Leon Romo xe2at at hotmail.com
Sat Mar 19 09:02:26 EST 2005


Dear friends glad to give some info about my new record on Laser, the old 
was 44.5 km and today we can complete 2 way QSO on CW with XE2ZB at 
70.325km...
The conditions were good , cold and clear and in 10 min both transmitters 
were aligned, now we are expert :-)
On both side 3mw lasers and 4 inches magnifiers on the receiver with Ramsey 
modified with OPT101, we canot hear diference in level between 44.5 km and 
70 km.
On my side I build a G0MRF receiver , first one , with a OPT101 and the 
volume was great but may be because the TL071 the noise was high and I can 
hear almost the same between both receivers..
David many thanks for your help.
I know that the OPT301 is better that 101 so if someone have 2 for sale pse 
send me an email...
Now all is ready to work the 5th grid, I hope soon we can do the next test..
And thinking to use a 10mw laser :-)
Thanks and have a great day
Al
XE2AT

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