Worked 5 EU this evening, even thought they were the regulars, it was nice
to hear them for a change. G3OLB even peaked to S7, G3JMJ was heard CQ'n
when almost everyone else was gone.
This was w/o my 4 SQ RX antenna, noise level was between S4-5 on the 67ft
'T' vertical. Do have over 100 - 135ft r
Mike--
Often, quoting eHam is repeating nonsense. Sorry, but it is so, and this is
a good example. Any Ham that relies on published Velocity factor data,
without verification, gets errors, and (frequently) blames it on something
else.
Start over; read some texts or handbooks; Think; read stuf
Ladies and Genomes of the TopBand,
The starting bell for The Stew Perry TopBand Distance Challenge is
drawing near. We hope you are well
on your way to having a spiffy 160M operating situation along with clearing
some time to participate
in the 17th edition of a unique radio operating contest
This may improve the SWR somewhat in a 300 ohm system, but
if you are using a tuner to match 50 ohms to 300 ohms, then you
won't seem any noticable improvement. (The tuner setting will
compensate for any slight mismatch due to the velocity factor.)
I guess if one was to use a balan of some sort
It would be good to pay heed to N7DF's e-mail about possible improved
propagation when the IMF turns south. Two examples that come to mind are skewed
paths (reflection/refraction from the intense ionization at the equatorward
edge of the auroral oval) and enhanced paths right before the K inde
if I may quote eHam.
Dale Hunt:
The velocity of typical cheap TV twinlead is usually in the range of
0.8 to 0.85 (and can vary along a single role.) This is important if
you are creating a quarter wave matching stub, but not for the
overall length of a folded dipole antenna. Use the standar
Thank you everybody for thinking and commenting about the folded dipole
twin lead question. K1FZ thought he remembered it in a "hints and kinks"
article, so it probably was not a dream I had in the hospital.
I try to stay away from 50 ohms and coax of all ilk, except for using RG8
to run HV around
Sam,
Interesting and nice to hear my signal from the DX point of
reception. One always wonders how clean their signal is and now I'm
satisfied with mine. Thanks for making this available.
Interesting is that at 60 seconds into the sound bite when listening
to my call is exactly the kind of QR
As Tom suggests, Max Gain is a good source for top quality parts. He also
sells, scratch and dent items that check good for a lower price.
http://www.mgs4u.com/RF-Microwave/vacuum-variable-capacitors-500.htm
73,
Ken - K4XL
On Mon, Dec 10, 2012 at 9:54 AM, Dan Simmonds wrote:
> Jerry,
>
> I've
Look on eBay, or Maxgain systems in Georgia owned by Alan Bond.
- Original Message -
From: "Jerry Keller (K3BZ)"
To: "(REFLECTOR) Topband"
Sent: Monday, December 10, 2012 9:29 AM
Subject: Topband: Vacuum Variable Source
I need 2 vacuum variable caps 500 pf 7.5KV or more. Any suggest
Jerry,
I've recently purchased very similar vacuum capacitors to these (10KV) from:
Jiangxi Wanping Vacuum Electric Company, Ltd.
Email: feiyu...@hotmail.com
Also, a source here in the US I've spoken with (but never did business
with) is:
LBA Group
Greenville, NC
Email: byron.john...@lbag
I need 2 vacuum variable caps 500 pf 7.5KV or more. Any suggestions for a
reliable source with reasonable prices?
73, Jerry K3BZ
___
Topband reflector - topband@contesting.com
The interplanetary magnetic field has been south oriented for the last
several hours (as of 0100Z Dec 10) This opens magnetic portals which can
permit charged particles from the sun to penetrate deep into the ionosphere
activating propagation anamolies which may include some unusual top band
o
I used to work EU on 6-10M crossband in those days since very few had
authorization. Ireland was one that did and quite a few were on.
My rig was a HB 6AG7, 6V6, 829B crystal controlled with PP 6L6 modulators
into an ARRL HB 4 el yagi just above the 3el HB 10M which was above a HB 15M
at about
Mike,
"...a 300 ohm TV twin lead dipole is not all twin lead, but the twin lead is
shorter than a half wavelength and at each end a wire continues to make
half wavelength length of the dipole..."
This technique could be applied to shorten a half-wave dipole by using the
twinlead as a T-match. So
once upon a time a long time ago i saw somewhere in a magazine or book,
or maybe someone told me, or i heard at a ham club meeting or flea
market, or i had a dream while in heart surgery, or my wife told me that
a 300 ohm TV twin lead dipole is not all twin lead, but the twin lead is
shorter than
http://www.qrz.lt/ly2w/wtQsoplayer/
On Mon, Dec 10, 2012 at 12:26 PM, Saulius Zalnerauskas
wrote:
> Hi all,
>
> 90 % of our QSO's are in audio. Not all (computer refresh, etc,..). You can
> find Your signal in LY. Enjoy it!
> Copy "dah",... it is search/pounce mode using Bandmap.
>
> Looking for
Hi all,
90 % of our QSO's are in audio. Not all (computer refresh, etc,..). You can
find Your signal in LY. Enjoy it!
Copy "dah",... it is search/pounce mode using Bandmap.
Looking forward to Your comment's.
Sam LY5W (one of operator's)
p.s. first time we used "special" CQ form: CQ LY2W LY2W (no
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