[time-nuts] Anyone have experience with this antenna?

Bob kb8tq kb8tq at n1k.org
Wed Feb 7 10:20:28 EST 2018


They probably have a group of people on staff to go out and dry them off after it rains …. :)

Indeed, there are a lot of pictures of heated enclosures for antennas. The debate over the
dielectric properties of the coverings goes back a long way. There are notes in the standard
databases for the antennas that came with optional covers. They have a separate data file
for the “with cover” and “without cover” versions. The discussion here is pretty much an 
replay of how the conversation has gone over the years. There is indeed a group of people
who (quite rightly) suggest that it’s not a big deal in most cases. 


> On Feb 7, 2018, at 10:07 AM, Poul-Henning Kamp <phk at phk.freebsd.dk> wrote:
> --------
> In message <875E4BC6-32C3-4724-AFCD-086553AE52C6 at n1k.org>, Bob kb8tq writes:
>> Water wise, one might note the large piles of snow sitting on my antennas at the moment. Yes, I 
>> could go knock it off, but somehow it just keeps coming back. Weird how winter works …. There
>> is no perfect solution. 
> Somebody at BIPM told me that their antennas were heated and thermostatically
> kept at constant temperature.
> -- 
> Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
> phk at FreeBSD.ORG         | TCP/IP since RFC 956
> FreeBSD committer       | BSD since 4.3-tahoe    
> Never attribute to malice what can adequately be explained by incompetence.

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