I modified mine with the hy-gain clamp. Been up for many years and major
winds with no problem. I think those cast clamps are pretty cheap from MFJ now.
73. Rich
On Jul 22, 2012, at 7:01 PM, "Gregg Seidl" <k9kl@centurytel.net> wrote:
> I just got down from my tower after turning my XM-240 in line to match the
> rotor and other antenna AGAIN.
> I have done this several times now and I just can't get a grip on why this
> continues to happen. I haven't had trouble with any other of my antennas,some
> have more windload than the XM-240.
> As I was up there enjoying the view and thinking why this one turns I had an
> idea and wanted to ask others ideas.
> First it is up 85 feet and has been up for 6 years and I think it works
> great. It is much more stout than the 40-2CD that I had up before but came
> down piece by piece in a bad windstorm.
> I am using the stock clamp which seems to be great,the only thing that I
> haven't used one other antennas but did on this one was a galvanized mast
> from Texas Towers. Could it be that the mast is too "smooth" to grip? The
> U-bolts are not loose when I go up to straighten the antenna. It only happens
> once a year or so nd always after a 70-80 MPH windstorm which we get here
> sometimes.
> Looking for ideas.
> Gregg K9KL
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