[time-nuts] Freestanding mast

[Stanley Reynolds]

$32.61 for me but maybe you are further away, heavy stuff, maybe it would pay to 
shop for a closer vendor.

Stanley



----- Original Message ----
From: Richard W. Solomon <w1ksz at earthlink.net>
To: Discussion of precise time and frequency measurement <time-nuts at febo.com>
Sent: Thu, September 2, 2010 8:49:24 PM
Subject: Re: [time-nuts] Freestanding mast

Make sure you are sitting down when you check the shipping 
charges.

73, Dick, W1KSZ


-----Original Message-----
>From: Stanley Reynolds <stanley_reynolds at yahoo.com>
>Sent: Sep 2, 2010 9:16 PM
>To: Discussion of precise time and frequency measurement <time-nuts at febo.com>
>Subject: Re: [time-nuts] Freestanding mast
>
>ROHN 9H50 34 Foot Telescopic TV Wireless Antenna Push Up Mast
>
>http://www.3starinc.com/rohn_telescopic_masts.html
>
>I don't know this vendor just the first that came up in google.
>
>Stanley
>
>
> 
>
>
>----- Original Message ----
>From: Charles P. Steinmetz <charles_steinmetz at lavabit.com>
>To: Discussion of precise time and frequency measurement <time-nuts at febo.com>
>Sent: Thu, September 2, 2010 7:46:00 PM
>Subject: [time-nuts] Freestanding mast
>
>I'm curious what the best freestanding mast is for a timing antenna (think 
>Lucent timing antenna or marine "mushroom" GPS antenna -- light and pretty 
>small).  The mast would have its highest support at rooftop or chimney-top 
>level, and could extend from there as far downward as the ground with additional 
>
>supports as required.  Should be able to survive at least Category 2 winds and 
>heavy snow and ice.
>
>What reasonably available mast material no more than, say, 3" in maximum 
>cross-section would allow the most vertical extension above the highest support, 
>
>and how much extension would that be?  I'm thinking 10 feet of 2" or so 
>thin-wall steel tube may be OK, but beyond that I don't know.  Tubing is 
>probably not the optimum shape, but I assume the availability of other 
>engineering shapes (say, "+" cross-section) is likely to be limited.
>
>Ideas?
>
>Thanks,
>
>Charles
>
>
>
>
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