Message 21334 in TECH.WW
From: G8MNY
Date: Fri, 24 Apr 26 07:12:00 Z
Newsgroups: TECH.WW
Subject: 2m Cavity Filter
Message-ID: <57979_GB7CIP>
Path: N2MH4|N3HYM|IW2OHX|GB7CIP
R:260424/0720Z 30546@N2MH4.#SENC.NC.USA.NOAM LinBPQ6.0.24
R:260424/0720Z 3065@N3HYM.#FRDK.MD.USA.NOAM BPQ6.0.24
R:260424/0719Z 5285@IW2OHX.ILOM.ITA.EU BPQ6.0.25
R:260424/0712Z @:GB7CIP.#32.GBR.EURO #:57979 [Caterham Surrey GBR]
From: G8MNY@GB7CIP.#32.GBR.EURO
To : TECH@WW
(8 Bit ASCII graphics use code page 437 or 850, Terminal Font)
By VK2DKW
Here under a cheap way to build your 2 meter band Cavity filter. VK2DKW sent to
packet a diagram for a cavity filter made of dog food cans, with which he
successfully eliminated heavy pager interference at his site on 2m.
Use the font "Terminal" to see all the details as the author intended them!
3 UHF Socket SO239 Hole Mount.
6 5mm screw with steel plate soldered to bottom end.
8 Aluminium Bracket.
9 Copper pipe soldered to bottom end of Can
10 Plastic spacer
12 2 5mm Nuts Soldered to outside & inside of can.
13 Wire no 7 soldered to outside of can.
14 Silicon to keep plastic spacer in place.
Pse direct any queries to George, VK2DKW@VK2WI.#SYD.NSW.AUS.OC
Why Don't U send an interesting bul?
73 De John, G8MNY @ GB7CIP
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