Hi Gene, Unlikely. Leaves, wet or dry, are a killer. Get a longer pole for the antenna.
-John ============== > Hi Paul. No, the antenna is not above the tree line. Leaves are wet > today, > but on dry days similar. Curious: the unit puts out "5V" to the antenna. > If > this is 4.7 or lower, could this affect the degree of amplification the > amp > built into the antenna might develop? Should I find the power supply and > make sure its tuned up to 5V? > > > > The antenna I am using is: "Symmetricom 58532A GPS L1 Reference Antenna" > According to the paperwork, the operating voltage should be 5V +/- 0.5V so > I > am within spec. But I wonder if a little more juice, to say, 5.25 might > give > better amplification? > > > > 73 Eugene W2HX > > > > From: paul swed [mailto:[email protected]] > Sent: Sunday, May 15, 2011 8:00 PM > To: Eugene Hertz; Discussion of precise time and frequency measurement > Subject: Re: [time-nuts] basic question on GPS satellites > > > > Shouldn't be doing it that fast > > Would indicate a poor signal level might be my guess. > > Is your antenna above the tree line? > > Wet leaves can be nasty at 1.5 Ghz > > Regards > > Paul > > WB8TSL > > On Sun, May 15, 2011 at 6:30 PM, W2HX <[email protected]> wrote: > > Hi there. Recently acquired my first GPSDO. It is a datum 9390 (thank you, > Norm!). One aspect of its behavior seems strange to me. Within a matter > of > a few minutes, it seems that satellites are appearing and disappearing. > Are > the satellites moving that quickly? I might go from 1SV to 3SV or 4SV and > then a minute later go to 1SV or none. The antenna isn't moving and the > trees aren't moving too much today. I have not done anything with regard > to > setting minimum elevation or any other parameters. I did go through the > COLD RESTART procedure to clear out everything and let it start from > scratch. > > > > Do other GPSDO users experience something like this? > > 73 Eugene W2HX > > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
