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Message 29987 in TECH.WW

From: G8MNY
Date: Mon, 14 Sep 26 06:46:00 Z
Newsgroups: TECH.WW
Subject: 13cms 2 Lambda Slot
Message-ID: <5070_GB7CIP>
Path: N2NOV|VE1JOT|AA6HF|GB7CIP

R:260914/0652z @:N2NOV.#RICH.NY.USA.NOAM $:5070_GB7CIP
R:260914/0651z @:VE1JOT.#BRKLYN.NS.CAN.NOAM VE1JOT-1.Jnos2 $:5070_GB7CIP
R:260914/0651z @:AA6HF.#SCA.CA.USA.NOAM [Palm Springs] $:5070_GB7CIP
R:260914/0646Z @:GB7CIP.#32.GBR.EURO #:5070 [Caterham Surrey GBR] $:5070_GB7CIP

From: G8MNY@GB7CIP.#32.GBR.EURO
To  : TECH@WW


For a 2 lambda slot, with both ends closed with conducting disks, with coaxial
feeder to midpoint.
for 2320 MHz
slot length 280 mm
slot width  3 mm
tube dia    19 mm by 18 swg (0.75in)

The impedance at the feed point is 200 ohms
You need to construct a suitable balun.

For more details refer to Microwave Handbook vol 1 , page 4.44 onwards.
73, Pete G6KUI


Why don't U send out an interesting bul?

73 De John, G8MNY @ GB7CIP




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