I have the short pair. Holding up well. They are about 15 years old.  Loved 
them enough to buy other non-satellite yagis ( for satellite use nonetheless!)

Maybe it was bad batch of plastic?!

Mark L. Hammond  [N8MH]

> On Dec 10, 2013, at 1:54 PM, WA6FWF <wa6...@sbcglobal.net> wrote:
> 
>   Well I look my antennas over each year but they have always been relatively 
> easy to get at even when they were on a glen martin tower on the roof, I 
> could see every other year if it is a major undertaking but based on his call 
> he is in New York, to think you can put a antenna up and ignore it for years 
> in a area with snow and freezing temps stretches reason.
> 
>   I'm also a fan of coax seal and some sort of coating on the elements, When 
> I look my antennas over I'm checking for loose bolts and UV damage to plastic 
> parts and coax, out on the west coast it is the Sun and heat that is the 
> thing to worry about.
> 
> 73 Kevin WA6FWF
> 
> 
>> On 12/10/2013 10:32 AM, R.T.Liddy wrote:
>> I'm neutral on this topic, but I was curious if the M2 Manual mentioned
>> anything about maintenance. Here are the instructions:
>> 
>> http://www.m2inc.com/pdf_manuals/436CP30.pdf
>> 
>> 
>> There is no mention of maintenance. Of course, it would be a good idea
>> to check things out regularly. But, depending on where the antenna is
>> installed, it could be quite difficult to get to it once it's put up. I 
>> can't think
>> of anyone that actually does yearly maintenance on their antennas. My rule
>> of thumb is to anticipate what problems could occur and do what's necessary
>> to avoid them during the initial installation. I always use Coax-Seal and 
>> spray
>> the heck out of everything with clear Rustoleum.
>> 
>> GL,   Bob K8BL
>> 
>> 
>> ________________________________
>>  From: WA6FWF <wa6...@sbcglobal.net>
>> To: amsat-bb@amsat.org
>> Sent: Tuesday, December 10, 2013 1:01 PM
>> Subject: [amsat-bb] Re: why not to buy an M2 antenna
>>  
>> Might I ask what sort of preventative maintenance did you perform each year?
>> 
>>     73 Kevin WA6FWF
>> 
>> 
>>> On 12/10/2013 8:46 AM, Lizeth Norman wrote:
>>> Purchased a M2 436CP30. Had a failure of the switching block in less than 5
>>> years. White plastic cracked and allowed water to ingress to the switcher.
>>> Customer service?? No return call.
>>> Pics on request.
>>> Norm n3ykf
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> 
> _______________________________________________
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