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Re: [IRCA] Wellbrook Large Aperture Loop Antenna ALA100LN
My understanding from Andrew Ikin was that a loop
considerably different in size from that for
which the amplifier is designed, creates an
impedance mismatch that eats into the gain that
is available from the amplifier.
best wishes,
Nick
At 06:37 05-02-16, you wrote:
Mark, I think that Colin and Don are
correct. Super large diameter ALA 100 loops
don't seem to improve things substantially on
LW. Don't know why, but that's the way it
is. 73,...Walt On Thu, Feb 4, 2016 at 12:43 PM,
Mark Durenberger Mobile < Mark4@xxxxxxxxxxxxxxx>
wrote: > Walt: I'm curious; does LW signal
strength improvement justify a 100 ft. >
circumference or beyond? I s'pect there's a
practical/empirical-best-size; > probably beyond
60 feet...but where would you suggest
stopping? > > Cheers! > > > Mark Durenberger >
On The Road Again > > -----Original Message-----
From: Walter Salmaniw > Sent: Tuesday, February
02, 2016 8:39 PM > To: Mailing list for the
International Radio Club of America > Subject:
Re: [IRCA] Wellbrook Large Aperture Loop Antenna
ALA100LN > > > Les, you will have no issues with
signal strength. The ALA 100 works very > well
this way, but, the bigger the loop, the more
signal you will have. > Mine are from 20'
circumference to well over 100'. I remember my
first try > was with a small loop of perhaps 10'
around, and I wasn't impressed. Big > is
better! Walt > > On Wed, Feb 3, 2016 at 12:56
AM, Les Rayburn <les@xxxxxxxxxxxxxxxx>
wrote: > > Walter, >> >> I have an ALA1530 S+
that performs well, but again with low signal
levels >> overall. S/N ratio is great and I get
really good bi-directional nulls >> with >> this
antenna on a rotor. >> >> Hoping the ALA100LN
will provide more signal level that the Flag
Iâ??m using >> now. >> >> Donâ??t think the
bi-directional nature of the antenna will be an
issue. >> With the exception of flamethrowers
like WSB 750 in Atlanta, I donâ??t have >> a >>
high number of pests to the East that are
blocking reception of desired >> stations in the
West. The â??problem childrenâ?? tend to be more
North of my >> location, or South with
Cubans. >> >> Fingers crossed. >> >>
73, >> >> >> Les Rayburn, director >> High Noon
Media Services >> 130 1st Avenue West >>
Alabaster, AL 35007-8536 >> 205-621-7500 >>
205-621-7505 FAX >> 205-253-4867 CELL >>
highnoonfilm.com >> >> [This message and any
attached documents contain information from
the >> sender that may be confidential and/or
privileged. If you are not the >> intended
recipient please notify the sender immediately
by reply e-mail >> and >> then delete this
message. Thank you.] >> >> >> >> >> > On Feb 2,
2016, at 6:48 PM, Walter Salmaniw
<canswl@xxxxxxxxx> wrote: >> > >> > Les, I have
many ALA 100s and FLG 100s. It's not quite so
easy as what >> > everyone says, though. Don't
forget they are Bi-directional. If that's >>
an >> > issue, it may pose problems for
you. Apart from that, I can't argue > >>
with >> > any of the other comments. Wellbrook
makes premium products. ....Walt >> >
Salmaniw >> > >> > On Tue, Feb 2, 2016 at 2:23
PM, Les Rayburn <les@xxxxxxxxxxxxxxxx> >>
wrote: >> > >> >> Just ordered the North
American version of the Wellbrook Large
Aperture >> >> Loop Antenna ALA-100LN. Iâ??d
like to hear from other users on the list >>
who >> >> have used this antenna for MW
DXing. >> >> >> >> Iâ??m going to replace the
termination and feed point portions of a >> >>
â??Flagâ?? >> >> antenna that I have mounted on
wooden poles at the edge of my >> >>
property.. >> >> It >> >> favors the West, but
even with a pre-amp the signal levels are
low. >> Hoping >> >> for stronger signals from
the ALA100LN. >> >> >> >> >> >> >> >> >> >>
73, >> >> >> >> Les Rayburn, N1LF >> >> Marlene,
AL >> >> EM63nf >> >> >> >> Member WTFDA, IRCA,
NRC. Former CPC Chairman for NRC &
IRCA. >> >> >> >> >> >>
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