Thanks Matthew, How about lightning protectors? If I use those, N-type is least expensive and big to connect a metal strap to the pole to the ground...
Who's running their sensor field in the way of lightning? John Griessen Matthew J Whelan wrote: > I have used both omnidirectional 3dBi and directional patch 8dBi > external antennas from Hyperlink Technologies on the Tmote Sky > platform. . moving the capacitor on the board to switch > from the onboard antenna to the external is easy as well . We had significantly improved transmission distance > using the external antennas, . if > your signal is very strong, you can reduce your transmission/reception > power, which saves the battery, _______________________________________________ Tinyos-help mailing list [email protected] https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
