I have a bunch of 1" ID ferrite donuts I purchased surplus. How does one
identify the material if no color code or other markings are present?
C.T. Morton wrote:
> Have question about material for bead balun for 160 and 80m antennas.
> I understand that Material 43 is for 30MHZ and up and 77/73 is for 1.5
Joe Leikhim KE4TZH
"tv dinner by the pool,
i'm so glad i finished school" -F.Zappa 1967
"The Revolution will NOT be televised" -Gil Scott Heron
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