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G8MNY > TECH 03.03.03 23:44l 19 Lines 433 Bytes #999 (0) @ WW
BID : 49679_GB7CIP
Read: DB0FHN GUEST OE7FMI
Subj: 13cms 2 Lambda Slot
Path: DB0FHN<DB0ZWI<DB0HOT<DB0MRW<DB0BOX<DB0GAP<DB0GPP<DB0LX<DB0CZ<DB0GE<
LX0PAC<LX0HST<ON5VL<ON0RAT<ON0DXC<WA7V<W7NTF<KD4GBA<ON0BEL<IK1ZNW<
GB7CRV<GB7CIP
Sent: 030303/1742Z @:GB7CIP.#32.GBR.EU #:49679 [Caterham] $:49679_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
73 De John, G8MNY @ GB7CIP
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