[TowerTalk] [RFI] HIGH POWER and RFI...

Dan Zimmerman N3OX n3ox at n3ox.net
Tue Mar 6 09:06:45 EST 2007


>Does anyone know if the chokes available from Radio Shack are any better
>than the ones available from say, MFJ? Would it be better to order some
>Ferrite Cores from Palomar Engineers or Amidon?

Three turns of wire on one of those snap on cores (the rectangular cores
that snap onto each other and come two to a pack) measures, inaccurately, on
my MFJ-259

160m: 2+j25
80m: 14+j45
40m: 36+j60
20m: 72+j65
10m: 87+j88
100MHz: 240+j276

Dan


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