I wonder what the diameter of the center element, or plunger, was?
I think I still have one with the rivets drilled out, I'll measure when I
get a chance.
--- Jeff WN3A
@yahoogroups.com
Subject: RE: [Repeater-Builder] Re: 3/4 wave cavity operation
at 1296 MHz
I wonder what the diameter of the center element, or plunger, was?
I think I still have one with the rivets drilled out, I'll
measure when I
get a chance.
--- Jeff WN3A
Checked by AVG
@yahoogroups.com
Subject: RE: [Repeater-Builder] Re: 3/4 wave cavity operation
at 1296 MHz
I wonder what the diameter of the center element, or plunger, was?
I think I still have one with the rivets drilled out, I'll
measure when I
get a chance.
--- Jeff WN3A
Checked by AVG
In your experimentation, were you using 4 diam 450 MHz cans
operated at 3/4 wave for 1296 or 4 cans at 1/4 wave
(stubbies !) for 1296 ?
I used both. I used UHF 4 pass cavities as 3/4 wave resonators, and also
took 900 MHz 1/4 wave cavities and cut down the center to shorten them. In
both
I wonder what the diameter of the center element, or plunger, was?
Joe
Jeff DePolo wrote:
I used both. I used UHF 4 pass cavities as 3/4 wave resonators, and also
took 900 MHz 1/4 wave cavities and cut down the center to shorten them. In
both cases they were TX-RX 4 cavities. Also, the
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