>-----Alkuperäinen viesti-----
>Lähettäjä: cq-contest-bounces@contesting.com
[mailto:cq-contest->bounces@contesting.com] Puolesta Mario, S56A
>...
>
>Simple ICE filter configuration should survive most abuses but 21/28
MHz
>isolation is not good enough for SO2R.
Just add coax stub that will provide extra attenuation between 21/28 and
other that provides attenuation to 28/21.
Simple and adds attenuation at high power level part of the system. That
is the part where the extra attenuation really counts.
>Please note that BPF info is available in ON4UN book on low bands.
Difficult to make vs stub.
>73 de Mario, S56A
73,
Jukka OH6LI
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