Message 30277 in TECH.WW
From: G8MNY
Date: Sat, 19 Sep 26 08:27:00 Z
Newsgroups: TECH.WW
Subject: 2m Cavity Filter
Message-ID: <5520_GB7CIP>
Path: N2MH4|GB7BED|EI2GYB|GB7CIP
R:260919/0832Z 37394@N2MH4.#SENC.NC.USA.NOAM LinBPQ6.0.24
R:260919/0832Z 17900@GB7BED.#21.GBR.EU LinBPQ6.0.25
R:260919/0831Z 59217@EI2GYB.DGL.IRL.EURO LinBPQ6.0.25
R:260919/0827Z @:GB7CIP.#32.GBR.EURO #:5520 [Caterham Surrey GBR] $:5520_GB7CIP
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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