Topband: Need Un-Un Info

["Jo,YC0LOW" <yc0low@cbn.net.id>]

I plan construct an Un-Un for my inverted-L which has feedpoint impedance at 23 
Ohms, so a 
2.25:1 would be ideal. I use 50 Ohm coax as feedline. I have the Amidon T-200-2 
cores. Has anybody ever used this core for a topband Un-Un? If so, how 
many trifilar turns and what size of wire? Please, e-mail me direct 
Sorry, I could not find any related clue in the topband reflector's archive. 
Tnx es 73 de Jo, YC0LOW
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