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G8MNY  > TECH     22.01.04 23:44l 20 Lines 438 Bytes #999 (0) @ WW
BID : 38630_GB7CIP
Read: DB0FHN GUEST
Subj: 13cms 2 Lambda Slot
Path: DB0FHN<DB0RGB<DB0MRW<DB0ERF<DB0FBB<DB0GOS<DB0EEO<DB0RES<ON0AR<ON0AR<
      F6KMO<KP4IG<ZL2TZE<GB7YFS<GB7CIP
Sent: 040122/1149Z @:GB7CIP.#32.GBR.EU #:38630 [Caterham] $:38630_GB7CIP
From: G8MNY@GB7CIP.#32.GBR.EU
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

/QSL
73 De John, G8MNY @ GB7CIP


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