We have been offered a Gamma matched antenna for our 2 metre repeater
what are the pro's and con's of using a single Gamma match,,this is a
3 element beam at about 45ft..
rgds Fraser
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Someone owns someone. Never paid much
attention over the years which way it was.
Kenneth P. Cook Jr., W8DZN
President, Bucyrus Amateur Radio Club
Assistant Emergency
Coordinator for Crawford Co., Ohio
ARRL VE, ARRL Registered, Certified
Instructor/Examiner
for ECOMM Levels I, II
Strange thing was after I posted my reply I received an sales flier from
them listing Best Sellers Issue
Kenneth P. Cook Jr., W8DZN
President, Bucyrus Amateur Radio Club
Assistant Emergency Coordinator for Crawford Co., Ohio
ARRL VE, ARRL Registered, Certified Instructor/Examiner
for ECOMM Levels
My experience has been that gamma fed antennas generally are poor
performers, especially in bad weather.
Chuck
WB2EDV
- Original Message -
From: fraser3914 [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Friday, June 17, 2005 2:04 AM
Subject: [Repeater-Builder] Repeater
The GAMMA MATCH is somewhat narrow banded and if there is any weather
conditions involved such as ICE, the antenna will detune quite
quickly
thus rendering the antenna to be useless till the ice thaws from the
matching device.
I would look at something else!!
73's
Gary - W5GNB
--- In
Hi
how about a colinear dipole with a bit of gain ?.
Iam setting up a 6mtr rptr here in Liverpool UK and will use a colinear.
Having done some tests using this ant on an
Icom 706, it seems to work well.
73
Steve M1SWB
- Original Message -
From: Gary [EMAIL PROTECTED]
To:
Radioshack bought Allied, the Tandy name was dropped about three years ago, and now it is just Radioshack by themselves. The CEO's has just changed, Len Roberts has stepped down and Dave Edmonson took his place.
Mathew
Kenneth Cook [EMAIL PROTECTED] wrote:
Someone owns someone. Never
Radioshack was a division of Tandy Corp.
Back in 98/99 timeframe they renamed Tandy Corp to Radioshack for better brand
recognition.
73,
Jon
KD5SFA
-Original Message-
From: Coy Hilton [EMAIL PROTECTED]
Sent: Jun 16, 2005 6:10 PM
To: Repeater-Builder@yahoogroups.com
Subject:
John, Don remarked because Matt typed a run-on sentence. What
does that have to do with someone selling something?
John, *YOU* missed *the* point, because you didn't read what was
written
I didn't change the subject line because *some* folks track things
using filters, and since I'm
Mouser, Digikey and so on it is a standard molex plug
Gary
-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of Maire-Radios
Sent: Thursday, June 16, 2005 12:02 AM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] TKR820
At 04:56 PM 6/16/05, you wrote:
I have been hearing rumbelings about programs to allow retreeving
emails from or through repeaters. Does anyone know of it and can you
tell me where I can get it.
73
AC0Y
Radial slice of a baked confection (i.e. a piece of cake).
You may have been hearing about
Ok, anyone have PL encoder/decoder boards they would like to sell?
Com-spec or similar, with docs either hardcopy or online preferred.
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Hi David,
You should already have one from me in the mail
by now.
If not Email me and I'll send another...
skipp
skipp025 at yahoo.com
drwoolweaver [EMAIL PROTECTED] wrote:
Does anyone have a source of the special molex plug for the back
of a Kenwood TKR820? Thanks David [EMAIL
I would like to solicit opinions from the group in regard to Zetrons
Digital Delay Units. To make it simple and right to the chase,
The question is about using the digital delay in a Municipal
environment for the Public Works Dept in a Rural South Jersey
township, (approx. 50 sq, Miles). The goal
Kevin-
You're still missing the point. Very few people here really care about the
grammar of run-on sentence. The point was trying to convey a warning of the
suspected dis-honest person. I doubt any reasonable person would expect YOU
to be responsible for the dis-honest person.
--
Hi Garth,
You might be better served with a voting receiver relayed
via a low power uhf tx link (on splinter frequencies)
back to the base station/repeater.
Or one remoted/linked pair of base/repeater radio systems.
Yes, you should be able to license it and it's done all
the time...
If a
this repeater is in a 30 in cabnet.
4 can duplexers on the floor
next power supply
then reciver
then tone,pl,cor rack
then xmiter and
last a 100 watt amp on top.
this was a working repeater on 174 mhz, the xtrals have been taken
out. the repeater looks to be around 15 years old. o yes its heavy
It's VHF.
-- Original Message --
Received: Fri, 17 Jun 2005 05:34:30 PM CDT
From: wa2gym [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Subject: [Repeater-Builder] what kind of repeater do i have?
this repeater is in a 30 in cabnet.
4 can duplexers on the floor
next power
Hope you'all may help on this
VHF 4 pole with it in omni config it has 6 db gain,all in one direction it has 9 db gain.
what I need to know if it is side mounted with all dipoles one direction what is the reduction in db at 180 degree?
Thanks Joel
Yahoo! Sports
Rekindle the Rivalries. Sign
At 06:38 PM 6/17/2005, Joel Hall wrote:
Hope you'all may help on this
VHF 4 pole with it in omni config it has 6 db gain,all in one
direction it has 9 db gain.
what I need to know if it is side mounted with all dipoles one
direction what is the reduction in db at 180 degree?
Wouldn't it
It sounds like a MICOR Compa-Station. Look for ink-stamped numbers
beginning with TLD or TLN on the components.
73, Eric Lemmon WB6FLY
wa2gym wrote:
This repeater is in a 30 in cabinet.
4 can duplexers on the floor next power supply then receiver then
tone,pl,cor rack then xmiter and
last
Dave, I have a Sinclair 210 C4 here and it has 4 dipoles offset to 1/2
wavelength.
They claim that the gain is 9 db to each side of the dipoles, 6 db gain
straight out from
them
and 3 db on the back sidehope this makes sense to you.
73 John VE3AMZ.
- Original Message -
From:
It depends a lot on the size of the tower and if the dipoles are pointed
toward or away from the tower.
Paul
-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] Behalf Of Dave VanHorn
Sent: Friday, June 17, 2005 7:09 PM
To:
Hi Eric:
thanks for the info, yep it does have TNL 5644A and TLD 5322A on the xmit and recive boards
do u know where i might get some info on them?. thanks.Eric Lemmon [EMAIL PROTECTED] wrote:
It sounds like a MICOR Compa-Station. Look for ink-stamped numbersbeginning with TLD or TLN on the
I have a GE base station supply with battery back up option, Is there
anyway to make the change-over from ac to battery faster? It seems to take
about 30 minutes. seems way to long. Loren
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Hi all!
I have the opportunity to place a UHF repeater into the base of a
water tower which is quite high. Comes with all the bells and
whistles and would be an excellent site. However, it is quite humid
inside and I'm afraid the repeater will get condensation buildup.
Tower sweats. Its at
Might use this for a link radio. I don't have a schematic, so before
I go and probe...what might the pinouts on the acc. jack be? Can't
seem to find COS off of it :-(
Thanks for any info,
Robert
ps I have the 13-509 manual, the acc. plug is a little different it
seems...wasn't sure if it were
I need some input, not critisism or what I should do, as I know what
to do. The other night a user was on the system, his audio was
extremely bad into the system, his wife used the same radio and her
audio was just as bad. All other users of the system sounded just
fine. Two days later he
What are the input and output frequencies of the repeater? What is the
make and model? Is there an isolator between the transmitter and the
duplexer?
Certain models of older repeaters can generate spurious carriers if the
shields are missing or improperly installed on the exciter. There may
HI Matt
A few things to look at:
Output purity of the repeater
Possible addition of some higher Q cavities to reduce sideband noise etc.
( an isolator ahould be on the TX output prior to the duplexer or output
cavity/antenna )
Check proximity to the RCAG site where the QRM is getting in to the
get yourself a used traffic controller cabinet, low cost and mount it on
the outside. it is an outdoor locking box.
- Original Message -
From: Chris [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Friday, June 17, 2005 10:40 PM
Subject: [Repeater-Builder] Water Tower
sounds like a sticking relay
- Original Message -
From: Loren James [EMAIL PROTECTED]
To: repeater builder Repeater-Builder@yahoogroups.com
Sent: Friday, June 17, 2005 10:35 PM
Subject: [Repeater-Builder] base station power supply
I have a GE base station supply with battery back up
At 10:10 PM 6/17/2005, Mathew Quaife wrote:
I need some input, not critisism or what I should do, as I know what
to do.
I've seen this in a Kenwood VHF repeater.
The cause was the VCO having drifted quite a ways from where it was
originally calibrated.
The repeater was apparently mode-hopping
Well, now we know that it is a MICOR repeater, since the TLN5644A is the
standard backplane board on a MICOR unified chassis. You probably will
find TLD1694D or something similar stamped on the right front of the
power amplifier. On the power supply, you might find TPN1106A or
something similar
Just for reference, when air folks say 135.92, they really mean 135.925
MHz. They usually drop the last digit - be it a 0 OR A 5.
Joe M.
Mathew Quaife wrote:
I need some input, not critisism or what I should do, as I know what
to do. The other night a user was on the system, his audio was
Lawdog14 with the sticky relay switching over to or from battery
backup. This is going to sound crazy but you should try it before you
laugh. Isolved many a relay problem by sticking a thin piece of
paper between the soft iron core of the coil and the clapper of the relay.
Sometimesthe
Chris,
The best thing you can do is make sure the temperature inside the
repeater stays higher than outside the repeater. This will lower the
relative humidity inside the repeater. In a similar situation I just ran a
60 watt lightbulb in the bottom of the repeater. You may want to seal most
Hello All,
I am in need of a Controller and a UHF Duplexer to finish up my
UHF repeater. I am looking for a decent controller with a few bells
and whistles and a rackmount UHF duplexer capable of handling 110
watts. I am looking to trade a few things for either the controller or
the
38 matches
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