RHF wrote:

Yes - Buried and Burying your Coax Cable
feed-in-line is a Very Good idea :

Why??? Any -technical- reason other than "So the lawn mower won't slice
and dice it"?

References, please...

In article ,
Billy Burpelson wrote:

RHF wrote:

Yes - Buried and Burying your Coax Cable
feed-in-line is a Very Good idea :

Why??? Any -technical- reason other than "So the lawn mower won't slice
and dice it"?

References, please...

This only works if you plant the coax next to the rutabagas.

--
Telamon
Ventura, California

On Jan 4, 4:11 am, Billy Burpelson wrote:
- - RHF wrote:
- - Yes - Buried and Burying your Coax Cable
- - feed-in-line is a Very Good idea :
-
- Why???
- Any -technical- reason other than
- "So the lawn mower won't slice and dice it"?
-
- References, please...
-

WHY - Bury Your Shortwave Radio Listening (SWL) Antenna's
Coax Cable Feed-in-Line ?

BP - Humm, Let's See Making-a-List :

# 1 - Keeps the Lawn Mower from Slicing and Dicing my
SWL Antenna's Coax Cable feed-in-line every other Month.

# 2 - Dang - See # 1 + Safety - It's a Tripping Hazard.

# 3 - Double Dang - See # 1 + The Better-Half
Does Not Want To See "IT" In Her Garden-Yard.

FWIW - Burying the Coax Cable is simply one of the many
Synergistic Elements that goes into making a Low Noise
Shortwave Radio Listening (SWL) Antenna -a-la- John Doty

Three Rec.Radio.Shortwave Messages to Read -by- John Doty
http://groups.google.com/group/rec.r...bc6a2bf8acc12d
* SWL Longwire
* Low Noise Antenna Connection
* Grounding Is Key To Good Reception

iane ~ RHF

RHF wrote:

FWIW - Burying the Coax Cable is simply one of the many
Synergistic Elements that goes into making a Low Noise
Shortwave Radio Listening (SWL) Antenna -a-la- John Doty

Three Rec.Radio.Shortwave Messages to Read -by- John Doty
http://groups.google.com/group/rec.r...bc6a2bf8acc12d

Well, "John Doty" in the reference above says:

Any *unshielded* [my emphasis added] conductor in your antenna/ground system is capable
of picking up noise: the antenna, the "lead-in" wire...

First of all, isn't the "lead-in wire" (coaxial cable in this
discussion) -shielded- ? So according to his -own- statement, coax
shouldn't have to be buried, at least from a noise mitigation viewpoint.

Doty continues:

You can keep noise currents away from the antenna by giving them
a path to ground near the house, giving antenna currents a path to
ground away from the house, and burying the the coaxial cable from
the house to the antenna.

In the 1930s, Bell Laboratories, while investigating power line
influence on telephone cables, proved that burial had NO effect on noise
being induced into the telephone cables; i.e., 20 feet of aerial
separation, from a noise standpoint, was exactly the same as 18 feet of
aerial separation plus being buried 2 feet deep.

Hmmm...should I believe "John Doty" or Bell Labs? You're a smart guy --
I'll let you figure that one out for yourself. :-)

Billy Burpelson wrote:

RHF wrote:

FWIW - Burying the Coax Cable is simply one of the many
Synergistic Elements that goes into making a Low Noise
Shortwave Radio Listening (SWL) Antenna -a-la- John Doty

Three Rec.Radio.Shortwave Messages to Read -by- John Doty
http://groups.google.com/group/rec.r...bc6a2bf8acc12d

Well, "John Doty" in the reference above says:

Any *unshielded* [my emphasis added] conductor in your antenna/ground system is capable
of picking up noise: the antenna, the "lead-in" wire...

First of all, isn't the "lead-in wire" (coaxial cable in this
discussion) -shielded- ? So according to his -own- statement, coax
shouldn't have to be buried, at least from a noise mitigation viewpoint.

Doty continues:

You can keep noise currents away from the antenna by giving them
a path to ground near the house, giving antenna currents a path to
ground away from the house, and burying the the coaxial cable from
the house to the antenna.

In the 1930s, Bell Laboratories, while investigating power line
influence on telephone cables, proved that burial had NO effect on noise
being induced into the telephone cables; i.e., 20 feet of aerial
separation, from a noise standpoint, was exactly the same as 18 feet of
aerial separation plus being buried 2 feet deep.

Hmmm...should I believe "John Doty" or Bell Labs? You're a smart guy --
I'll let you figure that one out for yourself. :-)

Or, you might believe the 1990's rather than the 1930's :-)

On Jan 5, 9:20*am, dxAce wrote:
Billy Burpelson wrote:
RHF wrote:

FWIW - Burying the Coax Cable is simply one of the many
Synergistic Elements that goes into making a Low Noise
Shortwave Radio Listening (SWL) Antenna -a-la- John Doty

Three Rec.Radio.Shortwave Messages to Read -by- John Doty
http://groups.google.com/group/rec.r...bc6a2bf8acc12d

Well, "John Doty" in the reference above says:

Any *unshielded* [my emphasis added] conductor in your antenna/ground system is capable
of picking up noise: the antenna, the "lead-in" wire...

First of all, isn't the "lead-in wire" (coaxial cable in this
discussion) -shielded- ? So according to his -own- statement, coax
shouldn't have to be buried, at least from a noise mitigation viewpoint.

Doty continues:

You can keep noise currents away from the antenna by giving them
a path to ground near the house, giving antenna currents a path to
ground away from the house, and burying the the coaxial cable from
the house to the antenna.

In the 1930s, Bell Laboratories, while investigating power line
influence on telephone cables, proved that burial had NO effect on noise
being induced into the telephone cables; i.e., 20 feet of aerial
separation, from a noise standpoint, was exactly the same as 18 feet of
aerial separation plus being buried 2 feet deep.

Hmmm...should I believe "John Doty" or Bell Labs? You're a smart guy --
I'll let you figure that one out for yourself. * :-)

Or, you might believe the 1990's rather than the 1930's :-)- Hide quoted text -

- Show quoted text -

Yeah DX Ace - Sort-of : That Was Then . . . This Is Now ! ~ RHF

WHY - Bury Your Shortwave Radio Listening (SWL) Antenna's
CoaxCable Feed-in-Line ?

Amplified Audio Frequency Signal Distribution -circa- 1930s
and the 1930s RFI-EMF Environment
- = Versus = -
Passive RF High Frequency Signal Distribution -circu- 1990s
and the 1990s RFI-EMF Environment

On Jan 5, 9:42*am, RHF wrote:
On Jan 5, 9:20*am, dxAce wrote:





Billy Burpelson wrote:
RHF wrote:

FWIW - Burying the Coax Cable is simply one of the many
Synergistic Elements that goes into making a Low Noise
Shortwave Radio Listening (SWL) Antenna -a-la- John Doty

Three Rec.Radio.Shortwave Messages to Read -by- John Doty
http://groups.google.com/group/rec.r...bc6a2bf8acc12d

Well, "John Doty" in the reference above says:

Any *unshielded* [my emphasis added] conductor in your antenna/ground system is capable
of picking up noise: the antenna, the "lead-in" wire...

First of all, isn't the "lead-in wire" (coaxial cable in this
discussion) -shielded- ? So according to his -own- statement, coax
shouldn't have to be buried, at least from a noise mitigation viewpoint.

"dxAce" wrote in message
...

Or, you might believe the 1990's rather than the 1930's :-)


Looking at the opposite side, that of the way coax is used at the
transmission end, there are a number of relevant situations.

AM broadcast stations using series fed towers (those with an antenna tuning
unit to couple to the tower right above the base insulator) generally bury
the coax that feeds the ATU and tower. The reason is not for any kind of
additional isolation or insulation, but to keep the cable where falling ice
from the tower or guys, storm debris (in hurricane areas, particularly)
can't hit it, and to make it safer from vandalism.

Buried cable installs are also cheaper than the preferred system, which is a
set of poles, metal or wood, above the ground, with a metal bar or roof
above it to prevent ice damage. The advantage of above ground is that the
cable is accessible for repair or replacement in case of internal arcing and
more immune to digging by morons from the telco or electric utility.

Generally, the decision to bury is one of cost, not of RF.

David Frackelton Gleason, hit the ground running in 2008 and decided to continue
posing as 'Eduardo', who wrote:

"dxAce" wrote in message
...

Or, you might believe the 1990's rather than the 1930's :-)


Looking at the opposite side, that of the way coax is used at the
transmission end, there are a number of relevant situations.

AM broadcast stations using series fed towers (those with an antenna tuning
unit to couple to the tower right above the base insulator) generally bury
the coax that feeds the ATU and tower. The reason is not for any kind of
additional isolation or insulation, but to keep the cable where falling ice
from the tower or guys, storm debris (in hurricane areas, particularly)
can't hit it, and to make it safer from vandalism.

Buried cable installs are also cheaper than the preferred system, which is a
set of poles, metal or wood, above the ground, with a metal bar or roof
above it to prevent ice damage. The advantage of above ground is that the
cable is accessible for repair or replacement in case of internal arcing and
more immune to digging by morons from the telco or electric utility.

Generally, the decision to bury is one of cost, not of RF.

Generally, the decision to pose as a faux Hispanic is one of idiocy, not of
sanity.

In article ,
Billy Burpelson wrote:

RHF wrote:

FWIW - Burying the Coax Cable is simply one of the many
Synergistic Elements that goes into making a Low Noise
Shortwave Radio Listening (SWL) Antenna -a-la- John Doty

Three Rec.Radio.Shortwave Messages to Read -by- John Doty
http://groups.google.com/group/rec.r...bc6a2bf8acc12d

Well, "John Doty" in the reference above says:

Any *unshielded* [my emphasis added] conductor in your antenna/ground
system is capable
of picking up noise: the antenna, the "lead-in" wire...

First of all, isn't the "lead-in wire" (coaxial cable in this
discussion) -shielded- ? So according to his -own- statement, coax
shouldn't have to be buried, at least from a noise mitigation viewpoint.

Doty continues:

You can keep noise currents away from the antenna by giving them
a path to ground near the house, giving antenna currents a path to
ground away from the house, and burying the the coaxial cable from
the house to the antenna.

In the 1930s, Bell Laboratories, while investigating power line
influence on telephone cables, proved that burial had NO effect on noise
being induced into the telephone cables; i.e., 20 feet of aerial
separation, from a noise standpoint, was exactly the same as 18 feet of
aerial separation plus being buried 2 feet deep.

Hmmm...should I believe "John Doty" or Bell Labs? You're a smart guy --
I'll let you figure that one out for yourself. :-)

Without agreeing or disagreeing with your arguments above don't you
think you should be able to come up with your own explanations and
understandings on the subject? Why should we read you posts when we can
just go read the person you reference? You think you somehow improve the
information?

I think reading your posts are a waste of time.

--
Telamon
Ventura, California