[time-nuts] Lucent KS-24361/Thunderbolt antenna advice

Jim Lux jimlux at earthlink.net
Thu May 7 02:10:07 UTC 2015


On 5/6/15 3:09 PM, Bob Camp wrote:

>
> GPS helix antennas were a really big deal in about 1982. Once people started to get experience with GPS and a variety of designs, they became less of a big deal. I do not know of any modern
> precision antennas that use a helix.
>

Most precision antennas I've seen recently use some form of a crossed 
dipole, with drooping elements with a weird shape (to get the match 
decent at all the frequencies, and to get the relative phase shift right).





More information about the Time-nuts_lists.febo.com mailing list