I should have said that type 43 reads like an open circuit .
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On Wed, Jun 21, 2023 at 1:44?PM Gene Ruff <ruff.gene@...> wrote:
a useful hint when identifying torrides type 31 has resistance across the
surface . type 43 has none. Different materials.
On Wed, Jun 21, 2023 at 1:23?PM W0LEV <davearea51a@...> wrote:
43 or 31 material are appropriate for HF applications. 43 is better for
20-meters upward and 31 material is best for 160 through 40 meters. If
you
are sure you have 43 material, there really is no reason to test the
toroids.
Dave - W0LEV
On Wed, Jun 21, 2023 at 12:48?PM Kurt Heernaert <on4cgw@...> wrote:
Dears,
FT240-43 Torroid, Can I use my NanoVNA to meassure my several torroids
to
be sure that I have the correct ones for HF UNUN?
any info is welcome
73,
Kurt
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*Dave - W?LEV*
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Dave - W?LEV
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*Gene Ruff*
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*Gene Ruff*
