[TowerTalk] m2 40M4LLDD + 20m add on

[W2RU - Bud Hippisley]

I'm one of those guys up north.  Ice and/or wet snow on the linear loading is a disaster; it will move the SWR at the "fair weather" minimum SWR point far enough in either direction to activate the Alpha 99 high-SWR shutdown circuit and generally cause deterioration of various electrical parameters of the beam.  That said, I'm very, very pleased with the mechanical aspects of my 40M2LL (and by extension, the 40M3LL), so I'm hopeful the coils will be offered as a retrofit to existing LL owners.

Bud, W2RU

I'm looking forward 
On Jul 10, 2013, at 9:04 54AM, Bob Gibson <w5rg at yahoo.com> wrote:

> I talked with Mike about a year ago and he said they were coming out with a coil design for the 40 meter beam and make it a option that you can change from linear loaded element to a coil design..the new antenna was going to be longer also...they were doing this because some of the guys who live up North were having trouble with the ice in the winter..I don't plan to change mine out..it works fine just like it is..Bob
> 
> Bob Gibson W5RG
> 
> ________________________________
> From: Jim Thomson <jim.thom at telus.net>
> To: towertalk at contesting.com 
> Sent: Wednesday, July 10, 2013 3:44 AM
> Subject: [TowerTalk] m2  40M4LLDD  + 20m add on
> 
> ## Flash... apparently m2 is now making a COIL  version of their 40M4LLDD.   The coils are slick,  machined
> from thick wall AL tubing.   The ends of the tubing are not machined in the lathe.  That allows for a superb
> electrical + mech connection at each end of the coil.   Plus the uh of each coil is consistent.   The LL  tubing
> was also the truss for each ele, so presumably  dacron rope etc, would have to be used with any coil version.    
> 
> Later....... Jim  VE7RF
>