My Elecraft K3 has no AM filters installed. I tried to RX AM broadcast
stations on MW band but had no success.
I'd be grateful if you could advice me to add it on, or, is there a way to
do it as is, now pse?
I need it as features to check the 160m RX antenna directions in the coming
YB8Y
This is exactly why I got to looking at BOGs - I lack the space in a
Northeasterly direction (Northwest too, for that matter). Mine is 220
feet, as suggested by some experiments with the resonant frequency of a
dipole laid on the ground to derive a velocity factor - a technique
suggested by
I'm in Carl's camp. Both my Bogs are shorter at about 350 feet but one was
once over 500 and worked fine (had to shorten due to 'development of real
estate'. I terminate at 270 ohms and wind xfrms for the same impedance. No
preamp needed and they are very quiet so signals just pop out of the
Mike,
I am confirming Carl's experiences. Just in my case the BOG is 600' long
and terminated at 330 ohms. When I tried to use my W7IUV preamp giving
20dB
it was too much and noisy. So finaly I am using this preamp with W2PM
rotary
loop and BOG is used alone w/o preamp and works very well on my
I'd be interested to know what critter/rodent damage these BOGs get?
My experience, in the UK, of leaving the last 60m of my Beverage lying on
the ground for a few days, is that the insulation got chewed through in
seven places.
I would be interested in trying a BOG but I have a feeling that
I went with the 2 BOG's stricty because of noise crud from yuppie neighbors
in line with the SE and SW elevated 2 wire reversibles. When they shut off
their toys and go to bed the elevated ones are better.
The SW one stops 50' from their house which is too big for the property
anyway.
If you
Two winters ago I had insulated #10 stranded chewed completely thru in a few
places and all concentrated in a 100' area. Spliced and soldered and it
hasnt happened since. Lots of deer and other critters around here so anyone
could have been the culprit.
That BOG is made of odd lengths of scrap
If you need a preamp on any Beverage you have a problem IMO. Its too long,
poorly terminated or there is a lot of feedline loss.
Or you've been forced into some other bad situation.
I have a local noise problem that is beyond my control.
Unfortunately I can't afford the DXE noise canceller so
I dont find WD-1A or WF-16/U to be lossy at all when properly terminated at
both ends. Thats what is used here for the 5 reversibles and a reversible
BOG will be tried soon.
Carl
KM1H
- Original Message -
From: N1BUG p...@n1bug.com
To: Topband topband@contesting.com
Sent: Monday,
I dont know if Id trust trying to use a resonant dipole on the ground to
determine the VF of a non resonant wire. In any case keep the VF at about
.6
or higher when determining the maximum length of the BOG, Slinky, or any
other Beverge form.
Carl
KM1H
It was clear there was a lot of
Guy and I experimented at my former QTH and I ended up with two sets of two
element 260' BOG arrays one centered on 45, the other on 285 Degrees and a
75' Square LOG (Loop on Ground) Favoring N/S - All three antennas worked
well, always doing better in A/B tests versus my K9AY Loop
and often
I use my K3 on the AM 550 - 1700 MW broadcast by just turning the width to 5
KHhz and selecting the AM mode . I do turn the PREAMP and receive most
station fairly well but if you are serious about the MW area outside the ham
bands you will probably need the General Coverage module installed.
I have the general coverage module in my K3 and I can report that it works
very well on the BC band as well as MW. I do not have the AM filter but AM
still sounds OK.
Bill VE3NH
-
No virus found in this message.
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My experience with canid (coyote and wolf) urines suggests that if
canids are not the local predator of interest--coyotes in England?--it
may not work.
Garry, NI6T
On 3/12/2012 6:15 AM, Pete Smith N4ZR wrote:
Two words - coyote urine. Seriously the local Southern States
sells a critter
Man, you Westerners are naive! We even have coyotes in downtown
Washington and New York City. Ratty looking, but out there hunting.
Anyhow, the general idea is pick something the the wee beasties don't
like, and lay it on!
73, Pete N4ZR
The World Contest Station Database, updated daily at
Its very easy to match when using the BN73-202 if you use half turn steps
when needed and use an antenna bridge to confirm since ferrite Al values
have a wide tolerance.
And with a low impedance line such as WD-1A there IS a difference in antenna
mode and transmission line mode values. Plus
Gary, the coyotes you and I grew up with were the stadium cheerleaders
between Valley Stream Central and North.
Boy, they were worse than the guys!
Carl
- Original Message -
From: Garry Shapiro ga...@ni6t.com
To: topband@contesting.com
Sent: Monday, March 12, 2012 4:31 PM
Subject: Re:
F'heaven's sake, Garry, I meant naive about how widely they range in the
East, and it was all tongue in cheek, from beginning to end.
73, Pete N4ZR
The World Contest Station Database, updated daily at www.conteststations.com
The Reverse Beacon Network at http://reversebeacon.net, blog at
Go Mustangs!
Wayne from Mineola!!!
--
From: ZR z...@jeremy.mv.com
Sent: Monday, March 12, 2012 4:57 PM
To: ga...@ni6t.com; topband@contesting.com
Subject: Re: Topband: Deterring Critters was:Re: How Good is Good Enough?
Gary, the coyotes you and
Speaking of tongue in cheek, I'll bite. Has anyone found a wire covering
that the critters do not like to lunch on, or are they using it for dental
floss ?
73
Bruce
- Original Message -
From: Pete Smith N4ZR n...@contesting.com
To: topband@contesting.com
Sent: Monday, March 12, 2012
I don't know, so I am asking. What about using galvanized fencing wire?
This stuff is tough, and doesn't rust, even when outside for a decade.
I'd like to see a squirell (or any critter) gnaw through that. I have a
hard time
with my side cutters. I make dipole, etc. out of it and it really
The common wisdom passed to me is that they don't like PE as well as
they like PVC. However, all my PE-jacketed coax rotator loops 130' up on
a redwood tree were munched to oblivion in the past year. They are being
held together with Scotch 33 until I can pull everything down this
Spring. And
On 13/03/2012 01:21, Bruce wrote:
Speaking of tongue in cheek, I'll bite. Has anyone found a wire covering
that the critters do not like to lunch on, or are they using it for dental
floss ?
73
Bruce
The only armouring that I ever had any success with is brass tape.
The rodents still
first, try not to handle stuff with out latex glove,,, they including
politicians are are attracted to the salt of our labor from us
john w8wej
On 3/13/2012 1:21 AM, Bruce wrote:
Speaking of tongue in cheek, I'll bite. Has anyone found a wire covering
that the critters do not like to lunch
Tracey
BOGs here are made from #14 stranded insulated house wire
stored off season on Cordwynds. Before rolling out at the
start of each low band season the reel is submerged for a
week in a tub of diesel fuel mixed with a bag of chili
powder. This procedure renders the wire is far less tasty
to
There is a major difference between a resonant antenna and a one wire
transmission line whose sole purpose in life is to be unbalanced in respect
to ground.
Trying to compare them doesnt work well and neither does modelling these
types of grounds unless you work for the government and have
Pres:
You better hope a migrating Mexican Chiwawa doesn't wander across the border
and into your BOG Field. When the wind is right the aroma from bag of Chili
is an open invitation. Mm muy bueno amigo Dinner Time
-Original Message-
From: topband-boun...@contesting.com
I basically live in the woods, and we have all the perpetrators. The only cable
any critter ever chewed through was gray jacketed RG8x. I've never encountered
cable or wire damage on anything else, gray, black or otherwise. We do have
visiting coyotes and foxes, but they doesn't get 'em all. I
Anyone know the skin depth of earth at 1.8 and 3.5MHz and how that
might impact a BOG buried three to six inches? Local soil is very
poor mostly sand.
73,
... Joe, W4TV
___
UR RST IS ... ... ..9 QSB QSB - hw? BK
On 3/12/2012 8:41 PM, Joe Subich, W4TV wrote:
Anyone know the skin depth of earth at 1.8 and 3.5MHz and how that
might impact a BOG buried three to six inches? Local soil is very
poor mostly sand.
73,
... Joe, W4TV
___
UR RST IS ... ...
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