I also had the same feeling until I changed the position of the antenna from eastern side of the building to the southern.
At least two usable svs more on the average... P. Dukic At 19:05 28.8.2008, you wrote: >The Thunderbolt does not seem to be the most sensitive receiver >around, but it does not seem particularly bad. Sensitivity in a >time receiver can be a bad thing... more sensitivity tends to make >it more susceptible to multipath, etc. These things were meant to >be mounted on cell towers, etc where they have a pretty clear view >of the sky. Once you have that, you don't need high >sensitivity. Also their proximity to high power RF transmitters >makes overly sensitive front ends a problem. > >On the subject of GPS amplifiers... adding external amplification >to a GPS may not improve its performance and can actually degrade >it. All amplifiers amplify signal and noise, plus distort >everything in the process. (fundamental laws of the universe: 1) You >can't get something for nothing, 2) You can't break even, 3) >You'll die trying) Ideally, you want the amplifier at the >antenna and you want the amplification to match the cable loss and >no more. Generally GPS receivers with poor sensitivity have poorly >designed front ends or signal processing. Yelling in their ears >won't make them work any better. >---------------------------------------- > >_________________________________________________________________ >Get ideas on sharing photos from people like you. Find new ways to share. >http://www.windowslive.com/explore/photogallery/posts?ocid=TXT_TAGLM_WL_Photo_Gallery_082008 >_______________________________________________ >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.
