It has been a long time, but....I remember that about where the clamp for the 
ground radials is there are 3? large screws. Remove the the screws and the 
whole antenna will slide out of the radome by pulling on the RF connector. The 
black stuff bonds the aluminum mounting sleeve to the fiberglas and you don't 
have to fiddle with that part.
 
as always - YMMV
 
Best Regards, Eric W1EL

Eric Lowell
Eastern Maine Electronics Inc.
48 Loon Road
Wesley ME 04686
[email protected]
www.satnetmaine.com


--- On Wed, 9/9/09, hbbcara <[email protected]> wrote:


From: hbbcara <[email protected]>
Subject: [Repeater-Builder] Rebuilding a Stationmaster
To: [email protected]
Date: Wednesday, September 9, 2009, 1:01 AM


  



Hi all,

The repeater-builder website mentions rebuilding a Stationmaster that has 
developed noise by taking it apart and resoldering the sections. I have a 
Stationmaster that has developed that noise so I brought it down the hill. The 
replacement antenna cured the noise, but it's not the same class of antenna so 
my coverage area is not what it was nor will that antenna survive the winter. 
Now comes the project of actually rebuilding the broken antenna.

Upon starting to take it apart though, a big question came up. Are there 
Stationmaster models that can and models that can't be rebuilt? I don't have 
the model designator of mine. The antenna predates my association with the site 
(in the context of maintaining it anyway) and the label is largely faded away. 
I can read "Phelps Dodge" and "Super Stationmaster" but that's about it for the 
label. The antenna is for 2 meters and is 21 feet, 6.75 inches long from the 
bottom of the metal base to the top of the metal topcap. The thing that worries 
me as far as being able to take it apart is that there seems to be something 
like epoxy between the radome and the metal base. There's a black substance at 
the junction of the radome to the base and upon taking the three screws out of 
the side of the metal base I can see the layer of metal, the layer of the black 
stuff, the layer of the radome and then the inner metal that the screw goes 
into.

Can someone who's taken these apart tell me if that black substance is indeed 
bonding the parts together and I'm stuck looking for a new antenna, or with all 
the screws out and just a little more force will it indeed come apart?

Thanks for any pointers and 73

rj
kb6ytd

















      

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