Catenna resistor
Bill Evans
bevans at EBSYS.MB.CA
Tue Jul 18 17:13:09 EDT 2000
Bill, I have a Cantenna that also looks great, but now
measures 90 Ohms. I wish I could return it to its original
50 Ohm condition. Does anyone have any ideas for me - I'm
on the "high" side? What caused this unit to go so far off
in value?
Bill Evans, VE4UD
313 Carpathia Road
WINNIPEG, Manitoba, Canada
R3N 1T2
PH: (204) 489-7434
FAX: (204) 487-7199
E-MAIL: bevans at ebsys.mb.ca
Company Web Site: http://www.ebsys.mb.ca
>I just bought a HeathKit Cantenna at a hamfest (Its my boat
anchor's
>anchor!). After some cleaning and sealing, I checked the
resistor. It
>measures about 40 ohms! Double checked it with another
meter and a
>precision resistor. Yup, its still 40 ohms. Took it apart
and there is
>no discoloring, blistering, etc. on the resistor. Looks
like new.
>Damn! Its supposedly a 10% resistor.
>
>Is there a way I can nudge the value? :) I have zero
experience in how
>these resistors are manufactured. I assume carbon is
deposited on the
>form. Can I sand it with super fine sandpaper to increase
the
>resistance? I'm probably making too much out of this
because the SWR is
>only 1.2:1 instead of 1:1. But it bothers me. Is
Carborundum
>(manufacturer) still around? Should I just have an 807 and
forget it?
>;)
>
>73 es tnx,
>
>Bill Abate, K3PGB
>
More information about the Boatanchors
mailing list