On Thu, 13 Jan 2005 21:09:37 -0500, Vinnie S.
wrote in :

On Fri, 14 Jan 2005 01:45:00 GMT, Lancer wrote:


Barefoot or not, an attic is probably the worst place to put an
antenna. You have all kinds of possible problems, not the least of
which is house wiring or foil-backed insulation that can cause
reflections (high SWR).

There is also the issue of polarity. Almost all mobile CB antennas are
vertical so don't expect strong signals from a horizontal antenna, or
even an inverted-V which is largely horizontal. You might get some
skip but that depends a lot on the position of the antenna -- you
might have to rotate your house to align yourself with the traffic.

I would think your best solution is to buy a cheap antenna tuner and
load up the flag pole, rain gutter, drip-strip, sewer vent, aluminum
siding, chain-link fence, steel shed..... whatever works best.


Vinnie;
You said you lived on a ranch? Use Franks tuner idea, run a wire
out the window and tie the other end to a fence post, your wifes
clothes line pole or anything else above eye level.


I don't have a clothesline. I am thinking about running it vertical up a tree,
but would have to trench the coax.


You wouldn't even need coax. Just hook the tuner right to the radio,
ground the radio, and run a single wire out the wall (through an
insulator) to any large metal object you can find, attached to your
house or not. I like metal drip-strips because they circle the entire
roof and make dandy antennas for quick-n-dirty installations.

The problem with a horizontal dipole, as I mentioned before, is the
polarity of the antenna. Most CB antennas are vertical, and if your's
is horizontal you won't hear very many people and they won't hear you.

So if you are determined to use the attic, find the tallest mobile
antenna that will fit straight up in your attic and bolt it to the
floor. Then make a ground plane by running many wires out in every
direction, and as far as you have the space (or wire). Connect the
antenna to the center of the coax, and the ground plane to the shield.
If everything goes well your SWR should be around 1.5:1 to 2:1, which
is fine because you won't be able to get it any lower without losing
signal.


Also, I have ground hogs, moles, and rabbits everywhere. Won't they chew up the
coax?


If you leave them on or under the ground, yep.





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On Thu, 13 Jan 2005 21:09:37 -0500, Vinnie S.
wrote in :

On Fri, 14 Jan 2005 01:45:00 GMT, Lancer wrote:


Barefoot or not, an attic is probably the worst place to put an
antenna. You have all kinds of possible problems, not the least of
which is house wiring or foil-backed insulation that can cause
reflections (high SWR).

There is also the issue of polarity. Almost all mobile CB antennas are
vertical so don't expect strong signals from a horizontal antenna, or
even an inverted-V which is largely horizontal. You might get some
skip but that depends a lot on the position of the antenna -- you
might have to rotate your house to align yourself with the traffic.

I would think your best solution is to buy a cheap antenna tuner and
load up the flag pole, rain gutter, drip-strip, sewer vent, aluminum
siding, chain-link fence, steel shed..... whatever works best.


Vinnie;
You said you lived on a ranch? Use Franks tuner idea, run a wire
out the window and tie the other end to a fence post, your wifes
clothes line pole or anything else above eye level.


I don't have a clothesline. I am thinking about running it vertical up a tree,
but would have to trench the coax.


You wouldn't even need coax. Just hook the tuner right to the radio,
ground the radio, and run a single wire out the wall (through an
insulator) to any large metal object you can find, attached to your
house or not. I like metal drip-strips because they circle the entire
roof and make dandy antennas for quick-n-dirty installations.

The problem with a horizontal dipole, as I mentioned before, is the
polarity of the antenna. Most CB antennas are vertical, and if your's
is horizontal you won't hear very many people and they won't hear you.

Vinnie, don't use a tuner if you don't know WTF you're doing,
you'll be constantly throwing carriers yelling AAUDDIOO whistling
into the mike trying to get 1:1, a real pain in the ass
for anyone trying to use the CB in your area. Forget about radials
in the attic, you'll screw it up, stop trying to get cute, JUST BUY A
NORMAL CB ANTENNA AND PUT IT OUTSIDE, YOU F-ING MAROON.

Frank Gilliland wrote:
On Thu, 13 Jan 2005 21:09:37 -0500, Vinnie S.
wrote in :
Also, I have ground hogs, moles, and rabbits everywhere. Won't they chew
up the coax?

If you leave them on or under the ground, yep.

Then the varmints will sleep with the fish!

Hey Enzo, long time. Don't tell me your new place has one of those
busy body anti antenna rules!?

On Thu, 13 Jan 2005 20:24:21 -0800, Frank Gilliland
wrote:

On Thu, 13 Jan 2005 21:09:37 -0500, Vinnie S.
wrote in :

On Fri, 14 Jan 2005 01:45:00 GMT, Lancer wrote:


Barefoot or not, an attic is probably the worst place to put an
antenna. You have all kinds of possible problems, not the least of
which is house wiring or foil-backed insulation that can cause
reflections (high SWR).

There is also the issue of polarity. Almost all mobile CB antennas are
vertical so don't expect strong signals from a horizontal antenna, or
even an inverted-V which is largely horizontal. You might get some
skip but that depends a lot on the position of the antenna -- you
might have to rotate your house to align yourself with the traffic.

I would think your best solution is to buy a cheap antenna tuner and
load up the flag pole, rain gutter, drip-strip, sewer vent, aluminum
siding, chain-link fence, steel shed..... whatever works best.


Vinnie;
You said you lived on a ranch? Use Franks tuner idea, run a wire
out the window and tie the other end to a fence post, your wifes
clothes line pole or anything else above eye level.


I don't have a clothesline. I am thinking about running it vertical up a tree,
but would have to trench the coax.


You wouldn't even need coax. Just hook the tuner right to the radio,
ground the radio, and run a single wire out the wall (through an
insulator) to any large metal object you can find, attached to your
house or not. I like metal drip-strips because they circle the entire
roof and make dandy antennas for quick-n-dirty installations.

The problem with a horizontal dipole, as I mentioned before, is the
polarity of the antenna. Most CB antennas are vertical, and if your's
is horizontal you won't hear very many people and they won't hear you.

So if you are determined to use the attic, find the tallest mobile
antenna that will fit straight up in your attic and bolt it to the
floor. Then make a ground plane by running many wires out in every
direction, and as far as you have the space (or wire). Connect the
antenna to the center of the coax, and the ground plane to the shield.
If everything goes well your SWR should be around 1.5:1 to 2:1, which
is fine because you won't be able to get it any lower without losing
signal.

If I use a Firestik, which are usually top-loaded, and connect it to some 9 ft.
piping that I can use as radials (in a crossing pattern), and ground them to a
grounding rod, would that work?


Also, I have ground hogs, moles, and rabbits everywhere. Won't they chew up the
coax?


If you leave them on or under the ground, yep.


I guess I am going to have PVC conduit the coax then. I don't have a choice.

Vinnie S.

On Thu, 13 Jan 2005 11:50:35 -0500 Vinnie S. wrote:

Hi. If I want to talk abrefoot and run a dipole for 27 MHz in my attic,
I
noticed there are numerous versions. The vertical is out for obvious
reasons. So
there are inverted and horizontal. Is there any version I am better off
using
barefoot?

Vinnie S.

How about a fiberglass marine antenna which requires no ground plane?

Or just as well, a 4ft fiberglass with a piece of metal for the ground
effect.
Being indoors or out, makes little difference.
It's what is covering the antenna that makes the difference.

On Thu, 13 Jan 2005 18:58:40 -0600, "Richard" wrote:

On Thu, 13 Jan 2005 11:50:35 -0500 Vinnie S. wrote:

Hi. If I want to talk abrefoot and run a dipole for 27 MHz in my attic,
I
noticed there are numerous versions. The vertical is out for obvious
reasons. So
there are inverted and horizontal. Is there any version I am better off
using
barefoot?

Vinnie S.

How about a fiberglass marine antenna which requires no ground plane?

Or just as well, a 4ft fiberglass with a piece of metal for the ground
effect.
Being indoors or out, makes little difference.
It's what is covering the antenna that makes the difference.


Well, there is this. Essentially, it's a 5 foot 5/8 wave Firestik, but the
radials are rather short 30". Shouldn't the be like 9ft?

http://www.firestik.com/Catalog/IBA5.htm

Again, I only want this for a temporary solution.

Vinnie S.

"Vinnie S." wrote in message
...
On Thu, 13 Jan 2005 18:58:40 -0600, "Richard" wrote:

On Thu, 13 Jan 2005 11:50:35 -0500 Vinnie S. wrote:

Hi. If I want to talk abrefoot and run a dipole for 27 MHz in my attic,
I
noticed there are numerous versions. The vertical is out for obvious
reasons. So
there are inverted and horizontal. Is there any version I am better off
using
barefoot?

Vinnie S.

How about a fiberglass marine antenna which requires no ground plane?

Or just as well, a 4ft fiberglass with a piece of metal for the ground
effect.
Being indoors or out, makes little difference.
It's what is covering the antenna that makes the difference.


Well, there is this. Essentially, it's a 5 foot 5/8 wave Firestik, but the
radials are rather short 30". Shouldn't the be like 9ft?

http://www.firestik.com/Catalog/IBA5.htm

Again, I only want this for a temporary solution.

Vinnie S.

Yeah that should work decent as a temp antenna.
Since it has the ground plane rods built in.
Since it's 5ft, that means it's coil loaded. Hence, the 30".
Just don't expect to get the mileage out of it as a bigger antenna would
get.

On Fri, 14 Jan 2005 23:52:09 GMT, wrote:

On Fri, 14 Jan 2005 23:29:55 GMT, wrote:

On Fri, 14 Jan 2005 19:40:56 GMT, wrote:
Yeah, but it's only a partial crock of ****. The rain gutters or wire or
whatever are only half the dipole so the house wiring will become
the other active half and they will radiate. He grounds his tuner to
a ground rod, but also his coax to the radio will tie him in to the
service ground of the residence.



Why would his coax tie him to the service ground?

Radio antenna connector to radio chassis ground.
Radio chassis ground to radio power plug. Radio power
plug to wall outlet. Wall outlet to service ground.


Mobile radio with a power supply. Power supply has a transformer, which isolates
it it from direct connection. The PS is an old RS unit which does not have a
ground on it's plug.

So in essence, you're wrong.

Vinnie S.

sigh. Look at a schematic sometime. The PS transformer ain't isolating
*anything* from ground, dude.


Anything? Are you sure about that?

OK you got me on a technicalty. Next look for any words misspelled.

wrote:
The reason
this thread is going on so long is steveo and the other
keyclowns telling the guy to bury his dipole under a stream
by his house or some **** like that.

Look under the stream for your brain, aol-tard.

"Vinnie S." wrote in message
...
Hi. If I want to talk abrefoot and run a dipole for 27 MHz in my attic, I
noticed there are numerous versions. The vertical is out for obvious
reasons. So
there are inverted and horizontal. Is there any version I am better off
using
barefoot?

Vinnie S.

If you don't want to mess with punching a few holes in your roof, then go
with a tower.
You'd only need 5 10 foot sections at the most.
Rohn 25 towers are simple and quick to put together.
You can find used ones dirt cheap at practically any "ham fest".

With such a small base, 18" or so, setting the tower in a cement filled hole
is a snap.
You could even use a foldup section with it.
We've lifted 40ft upright with no trouble.
Under 60 feet, you don't even need guy wires.
But one set at 40 ft might not be a bad idea.
Set it up next to the house and you don't need to worry about trenching the
coax.

If you go the tree route, and trench the coax, put it in conduit or even
some pvc pipe.
And for 150 feet, I'd use Rg8, not 58.