At 06:17 AM 5/5/2007 -0700, you wrote:
>I also have a post card from the late 1920's picturing
>WKRC in a hotel building with two towers and a
>horizontal dipole antenna with their call sign letters
>hanging from the antenna wire. Now you that's old, hi.
>VY73, Joe Miller, AB8YP, Troy, MI
>
Joe, kudos on the upgrade! Wish I could my interest up
in boning up on CW so I could operate. Got the equip-
ment already.
I spent $22 to change from WD9INP to WD4INP. "Vanity
Call." Ha, ha, ha, ha. What's so ¡®¶§ÐÆ¥! vain about
"WDnINP?"
Anyway, I've seen that antenna, and it's not a dipole.
At one end you see a vertical group of wires connect-
ing to the horizontal group. The vertical set served
to radiate the signal and the horizontal set was top-
loading.
Since field intensity ("signal strength" to tech grade +
slouches like me) is proportional to current on the
vertical radiator, the top loading acted as capaci-
tance to ground and caused more current to flow up the
vertical radiator. Without top loading, the R-F current
would taper off to zero at the top of the radiator.
"That's Radio R-101 for today, class. Pop quiz tomorrow."
Perfesser Chuck
>--- bill kral <[EMAIL PROTECTED]> wrote:
>
> > Willis,It isn't hard to figure out where the name of
> > an old comedy TV show came from.It was a weekly show
> > about a radio station in that city and I wouldn't be
> > surprised one bit if they changed the last letter in
> > the call from C to P.Remember "WKRP in
> > Cincinnati"?---Bill in BC
> >
> >
> > Be smarter than spam. See how smart SpamGuard
> > is at giving junk email the boot with the All-new
> > Yahoo! Mail at
> > http://mrd.mail.yahoo.com/try_beta?.intl=ca
> >
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Charles A Taylor, WD4INP
Greenville, North Carolina
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