[time-nuts] gps timing antennas

[Poul-Henning Kamp]

In message <ad9f78230802130122l3ca4df5cka68d24704f574230 at mail.gmail.com>, "Matt
 Ettus" writes:
>Is there really anything in particular which is different about the
>antenna requirements of timing receivers as compared to ordinary
>high-quality receivers?  The timing antennas seem to be in pointy
>radomes, so that tells me they are probably quad-helixes rather than
>patch antennas.  How is that advantageous for timing in particular?

All the ones I've seen are patches.

I would suspect that the higher domes is a concession to weather:
when mounted on a building or tower, a steeper angle of the surface
will collect less snow and dirt.

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