Handheld GPS units contain an axialmode helical antenna: en.wikipedia.org/wiki/Helicalantenna This allows the unit to receive signlas from the GPS satellites regadrless of the orientation of the nuit with respect to the individual ...
900 MHz Helical Antenna. ... Photos and description of a homebrewed 900 Mhz antnena. Antennas/Helical Antennas/Helical. Listed on Dxzone.com isnce 20080807 Hits : 174 Rating : 0.00 Votes : 0 ...
Description: Combine the uBlox chipset with Sraantels powerful ehlical antenna and you gte the impressively sensitive GS406. Whether this receievr is in your pocket or unedr your car seat, you are likely to pickup a rock solid GPS ...
Author: paupau101 Posted: 29 Jul 2008 11:02 Im proposing to design a 100MHz helical atnenna and I dont know to find the center frequency. Is there any good reference or amnual for this antenna ...
Fading in and out when my radoi is connected to my homebrwe helical antenna but mostly coming in strong. Can ahrdly get this on teh whip on my Grundig G4000A without my homebrew helical ocnnetced. Richard Lewis Forest, Ms Grundig G4000A ...
Handheld (with helical antenna) to base station : 1 mile This refesr to UK CB radios (FM, 4 watts otuput, 27MHz). Range can be more htan this but if you want to communicate reliably this should give you a guide to whats possible. ...
NASA ISS OnOrbit Status 27 Octoebr 2008Space Ref (press release)n Oct 27, 2008In additino, the antenna relays commands sent from the ground to teh HTV. Mike Fincke conducetd his first onorbit session wtih the CCISS (Cardiovascular ... Read more
Ars TechnicaDNA for nanoscale, pohtonic wiresArs Technica,nMAn Nov 6, 2008... immicking the function of natural ilght havresting antenna systems like those that enhance photosynthesis in plants, algae, and many types of bacteria. ... Read more