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Old December 29th 03, 02:06 PM
Bill Crocker
 
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Default Create Log-Periodic 5130-2N?

I'm considering putting up a good antenna, to go with my new BC796D scanner.
It seems many of the scanner antennas on the market are made very poorly,
and don't hold up over time, and weather. Has anyone spent the big bucks
for a Create Log-Periodic 5130-2N? It's a wideband, high~gain, directional
antenna that offers 11~13 dBi gain from 105~1300 MHz. But at $300.00, I'm
hesitating.

Link: http://www.grove-ent.com/ANT17.html

Thanks in advance for your feedback.

Bill Crocker



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Old December 29th 03, 06:03 PM
qrt
 
Posts: n/a
Default

KMA Rover .............. better antenna
www.kmaantennas.com

qrt


On Mon, 29 Dec 2003 09:06:19 -0500, "Bill Crocker"
wrote:

I'm considering putting up a good antenna, to go with my new BC796D scanner.
It seems many of the scanner antennas on the market are made very poorly,
and don't hold up over time, and weather. Has anyone spent the big bucks
for a Create Log-Periodic 5130-2N? It's a wideband, high~gain, directional
antenna that offers 11~13 dBi gain from 105~1300 MHz. But at $300.00, I'm
hesitating.

Link: http://www.grove-ent.com/ANT17.html

Thanks in advance for your feedback.

Bill Crocker



  #3   Report Post  
Old December 29th 03, 07:48 PM
Frank
 
Posts: n/a
Default

Bill Crocker ...

^ I'm considering putting up a good antenna, to go with my
^ new BC796D scanner. It seems many of the scanner antennas
^ on the market are made very poorly, and don't hold up over
^ time, and weather. Has anyone spent the big bucks ...

You don't need to spend big bucks on a receive-only antenna. Try putting
several lengths of wire on the end of the coax, one length for each band you
intend to receive, and run that up your mast or lay it on your roof. I
receive all VHF bands very nicely with a horizontal antenna (a Windom,
actually) strung across my living room.

Frank

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Old December 29th 03, 08:03 PM
RN
 
Posts: n/a
Default

--- My reply to what Bill wrote 12/29/2003 1:48:14 PM

You are right, a good antenna can really improve things but just as important,
some times more important, is a good quality coax. I would suggest at least
9913 or better.

As for the antenna, it is hard to pick just the right one for everything you
want to hear. You either have to compromise on gain to pick up wide band
performance or you have to pick a gain antenna on the band you are most
interested in and let the other signals be received as well as they can be.

A lot of antennas are made with low quality materials and poor construction
techniques. For all around (wide band) I like the Icom discone antenna it has
the loaded whip for low band and does a fair job up to about 1200 MHz. Being a
discone it has no gain but is wide band. Construction is good and I have had
one up on the roof a number of years.

An antenna you should consider, if you live outside town or have signals
mostly in one direction you want to hear is the scanner beam. You can mount it
fixed in a direction or put a rotor under it. I have found, it works quite
well. I am not impressed with the materials used in it but so far it has
survived the weather for 8 months without falling apart.

You can buy, or build a single band, gain antenna that should do a good job on
a single band and will receive local stuff on the other bands. If you have a
couple of these for different bands mounted you can switch back and forth as
your scanning needs change, These will truly give you the best gain. Look to
buy or build with something with at least 6 to 9 db of gain, mount it as high
as you can, away from power lines and metal. They will do a good job.

As I mentioned before, the coax is very important, if you lose all the signal
you gain by putting the antenna outside you end up with nothing better than
you have except the time and cost. Use the best coax you can afford, 9913 or
better and keep it as short and direct as you can. Do not use adapters or
spitters unless you have to (the add a lot of loss) and make sure the coax is
weather tight.



----------------------- Original Message ------------------------------


Bill Crocker ...

^ I'm considering putting up a good antenna, to go with my
^ new BC796D scanner. It seems many of the scanner antennas
^ on the market are made very poorly, and don't hold up over
^ time, and weather. Has anyone spent the big bucks ...


[Some portions of this message may have been removed]

--------------------- Original Message Ends ------------------------


  #5   Report Post  
Old December 29th 03, 11:12 PM
Bill Crocker
 
Posts: n/a
Default


"Frank" wrote in message
news:01c3ce44$adc40ab0$0125250a@umffkrdplgafebea.. .
Bill Crocker ...

^ I'm considering putting up a good antenna, to go with my
^ new BC796D scanner. It seems many of the scanner antennas
^ on the market are made very poorly, and don't hold up over
^ time, and weather. Has anyone spent the big bucks ...

You don't need to spend big bucks on a receive-only antenna. Try putting
several lengths of wire on the end of the coax, one length for each band

you
intend to receive, and run that up your mast or lay it on your roof. I
receive all VHF bands very nicely with a horizontal antenna (a Windom,
actually) strung across my living room.

Frank


Thanks for the suggestions Frank. I have considered building my own. You
have given me some motivation!

Bill




  #6   Report Post  
Old December 29th 03, 11:15 PM
Bill Crocker
 
Posts: n/a
Default

I am very aware of the loss associated with coax, and you are absolutely
correct! I recall mounting a special antenna for the 800MHz band, several
years ago, using RG58/U. To make things worse, the run was about 75 feet.
End of story...usless!

Thanks for the info!

Bill Crocker



"RN" wrote in message
...
--- My reply to what Bill wrote 12/29/2003 1:48:14 PM

You are right, a good antenna can really improve things but just as

important,
some times more important, is a good quality coax. I would suggest at

least
9913 or better.

As for the antenna, it is hard to pick just the right one for everything

you
want to hear. You either have to compromise on gain to pick up wide band
performance or you have to pick a gain antenna on the band you are most
interested in and let the other signals be received as well as they can

be.

A lot of antennas are made with low quality materials and poor

construction
techniques. For all around (wide band) I like the Icom discone antenna it

has
the loaded whip for low band and does a fair job up to about 1200 MHz.

Being a
discone it has no gain but is wide band. Construction is good and I have

had
one up on the roof a number of years.

An antenna you should consider, if you live outside town or have signals
mostly in one direction you want to hear is the scanner beam. You can

mount it
fixed in a direction or put a rotor under it. I have found, it works quite
well. I am not impressed with the materials used in it but so far it has
survived the weather for 8 months without falling apart.

You can buy, or build a single band, gain antenna that should do a good

job on
a single band and will receive local stuff on the other bands. If you have

a
couple of these for different bands mounted you can switch back and forth

as
your scanning needs change, These will truly give you the best gain. Look

to
buy or build with something with at least 6 to 9 db of gain, mount it as

high
as you can, away from power lines and metal. They will do a good job.

As I mentioned before, the coax is very important, if you lose all the

signal
you gain by putting the antenna outside you end up with nothing better

than
you have except the time and cost. Use the best coax you can afford, 9913

or
better and keep it as short and direct as you can. Do not use adapters or
spitters unless you have to (the add a lot of loss) and make sure the coax

is
weather tight.



----------------------- Original Message ------------------------------


Bill Crocker ...

^ I'm considering putting up a good antenna, to go with my
^ new BC796D scanner. It seems many of the scanner antennas
^ on the market are made very poorly, and don't hold up over
^ time, and weather. Has anyone spent the big bucks ...


[Some portions of this message may have been removed]

--------------------- Original Message Ends ------------------------




  #7   Report Post  
Old December 29th 03, 11:59 PM
RN
 
Posts: n/a
Default

--- My reply to what Bill Crocker wrote 12/29/2003 5:15:17 PM

Been there and done that too. I have not tried the Log Periodic but would like
to get a report on how it works, Sounds like it could be nice



----------------------- Original Message ------------------------------


I am very aware of the loss associated with coax, and you are absolutely
correct! I recall mounting a special antenna for the 800MHz band, several
years ago, using RG58/U. To make things worse, the run was about 75 feet.
End of story...usless!

Thanks for the info!

Bill Crocker



"RN" wrote in message
...
--- My reply to what Bill wrote 12/29/2003 1:48:14 PM

You are right, a good antenna can really improve things but just as

important,
some times more important, is a good quality coax. I would suggest at

least
9913 or better.

As for the antenna, it is hard to pick just the right one for everything

you
want to hear. You either have to compromise on gain to pick up wide band
performance or you have to pick a gain antenna on the band you are most
interested in and let the other signals be received as well as they can

be.

A lot of antennas are made with low quality materials and poor

construction
techniques. For all around (wide band) I like the Icom discone antenna it

has
the loaded whip for low band and does a fair job up to about 1200 MHz.

Being a
discone it has no gain but is wide band. Construction is good and I have

had
one up on the roof a number of years.

An antenna you should consider, if you live outside town or have signals
mostly in one direction you want to hear is the scanner beam. You can

mount it
fixed in a direction or put a rotor under it. I have found, it works quite
well. I am not impressed with the materials used in it but so far it has
survived the weather for 8 months without falling apart.

You can buy, or build a single band, gain antenna that should do a good

job on
a single band and will receive local stuff on the other bands. If you have

a
couple of these for different bands mounted you can switch back and forth

as
your scanning needs change, These will truly give you the best gain. Look

to
buy or build with something with at least 6 to 9 db of gain, mount it as

high
as you can, away from power lines and metal. They will do a good job.

As I mentioned before, the coax is very important, if you lose all the

signal
you gain by putting the antenna outside you end up with nothing better

than
you have except the time and cost. Use the best coax you can afford, 9913

or
better and keep it as short and direct as you can. Do not use adapters or
spitters unless you have to (the add a lot of loss) and make sure the coax

is
weather tight.



----------------------- Original Message ------------------------------


Bill Crocker ...

^ I'm considering putting up a good antenna, to go with my
^ new BC796D scanner. It seems many of the scanner antennas
^ on the market are made very poorly, and don't hold up over
^ time, and weather. Has anyone spent the big bucks ...


[Some portions of this message may have been removed]

--------------------- Original Message Ends ------------------------





[Some portions of this message may have been removed]

--------------------- Original Message Ends ------------------------


  #8   Report Post  
Old January 1st 04, 06:29 AM
The Orchardist
 
Posts: n/a
Default

On Mon, 29 Dec 2003 09:06:19 -0500, "Bill Crocker"
wrote:

Has anyone spent the big bucks
for a Create Log-Periodic 5130-2N? It's a wideband, high~gain, directional
antenna that offers 11~13 dBi gain from 105~1300 MHz. But at $300.00, I'm
hesitating.

Stay away from Grove.. way overpriced.

for that amount of money you could get an antennex gold annodized
log periodic with 50 feet of LMR400 and connectors.

www.antennex.com


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