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G8MNY  > TECHNI   28.11.25 09:33z 22 Lines 478 Bytes #29 (0) @ WW
BID : 46023_GB7CIP
Subj: 13cms 2 Lambda Slot
Path: SR8BBS<OK0NBR<OK2PEN<VE2JOS<VE3CGR<VE7ASS<VA7RBP<VE3KPG<GB7CIP
Sent: 251128/0910Z @:GB7CIP.#32.GBR.EURO #:46023 [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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