Capacitive Hat
 

Hmm... maybe "like" is the wrong word...

Whaddya mean, QRP?? I'm running 100W into my 40m dipole on 20m with 100
feet of RG-58! Only 13dB of loss there! That's only 2 and change in S
units. I mean, 100W/10^(1.3) = 5.01W... uhoh.

Seriously though, a lot of my 6m DX QSO's on CW are within a couple dB
of being unreadable, I bet. Probably none on HF right now that could
be split this finely, because all my tough ones are being covered by
static crashes on 40 and 30m. Back when 15-10m were open, though, I
would have welcomed a "1/3 S-unit" increase on some of the hard stuff.

Of course, fading is much more than 2dB, but having the average signal
level that much higher will still make an *improvement* in readability.

73,
Dan

Capacitive Hat
 

Cec,
With a generous standard error of 1dB in the measurements, and taking
the 3-sigma limits, anybody who has claimed a crown on the strength of
1/3 of an S-unit should be obliged to hand it back to the judges
pending the other participants clamour for a re-count. ;o)
----
Reg.

Capacitive Hat
 

Reg Edwards wrote:
With a generous standard error of 1dB in the measurements, and taking
the 3-sigma limits, anybody who has claimed a crown on the strength of
1/3 of an S-unit should be obliged to hand it back to the judges
pending the other participants clamour for a re-count. ;o)

I have a confession to make, Reg. I noticed precipitation
water from the fog dripping from everyone's coils when
the measurements first started. I waited until last when
the sun was shining and won the shootout. :-)
--
73, Cecil http://www.qsl.net/w5dxp

Capacitive Hat
 

ORIGINAL MESSAGE:

On Sun, 30 Jul 2006 18:09:58 GMT, Cecil Moore
wrote:

Hardly noticeable? That's enough to be crowned champion
of a 75m mobile shootout with all the attending honors. :-)
--

------------ REPLY SEPARATOR ------------

Speaking of shootouts, are there any scheduled this summer? I've never
been to one and I'd love to go.

Bill, W6WRT

Capacitive Hat
 

"Reg Edwards" wrote in message
...

"Sal wrote
That's outstanding! I see the original antenna was only about 15%
efficient
and the capacitance hat improved it by about 2 dB. I will play with
that
program. Thanks.

=======================================
Sal, enjoy yourself with it. I do not wish to dampen your enthusiam,
but 2 dB is only 1/3 of an S-unit. Hardly noticeable! ;o) ;o)

Agreed. What appealed to me was that the difference was so easily
calculated with your program. I simply reran the program with the hat
reduced to miniscule size and observed the difference.

This was an AM broadcast station (Armed Forces Radio Service), so the
difference was not likely to have been audible. The tech who put the hat on
the whip may just have been making it easier to match. It was forty years
ago.

Capacitive Hat
 

"Cecil Moore" wrote
I have a confession to make, Reg. I noticed precipitation
water from the fog dripping from everyone's coils when
the measurements first started. I waited until last when
the sun was shining and won the shootout. :-)
--
========================================
Cec, now that's really making science work for you.

I can imagine you in a deer-stalker capacitance hat, using a Sherlock
Holmes magnifying glass to read the S-meter.
----
Reg.

Capacitive Hat
 

Bill Turner wrote:
Speaking of shootouts, are there any scheduled this summer? I've never
been to one and I'd love to go.

I haven't heard of any.
--
73, Cecil http://www.qsl.net/w5dxp