Message:21128 In: TECH.WW

From: G8MNY
Date: Mon, 20 Apr 26 06:38:00 Z
Newsgroups: TECH.WW
Subject: 13cms 2 Lambda Slot
Message-ID: <57652_GB7CIP>
Path: N2MH4|N3HYM|W0ARP|VK2RZ|GB7CIP

R:260420/0640Z 30415@N2MH4.#SENC.NC.USA.NOAM LinBPQ6.0.24
R:260420/0639Z 2758@N3HYM.#FRDK.MD.USA.NOAM BPQ6.0.24
R:260420/0638Z 37695@W0ARP.#NCO.CO.USA.NOAM LinBPQ6.0.25
R:260420/0638Z 14252@VK2RZ.#SYD.NSW.AUS.OC LinBPQ6.0.25
R:260420/0638Z @:GB7CIP.#32.GBR.EURO #:57652 [Caterham Surrey GBR]

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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