hamtronics... been using them for 15 years... they are the only choice
here... allen... ac8dx
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Mike,
Durn it Mike, you let the cat out of the bag! I feel the price of the old
radios going up now! Good thing about it? I have 5 brand new in the box
PPL 6060's to work with plus several used ones!
Paul
_
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] On
Comments in the text.
At 02:49 PM 02/22/07, you wrote:
Tony L. mailto:[EMAIL PROTECTED][EMAIL PROTECTED] wrote
The number of active ham repeaters in my area is way, way down in
comparison to levels of 10 years ago. It isn't uncommon to monitor a
repeater frequency and hear no traffic for
I agree, repeater us is down.
Maybe features such as Echolink, IRLP or DStar/AMBE digitial voice will
generate interest? For instance, with Echolink you can enter in another user's
callsign and have your repeater remotely connect to the other user's one
(providing your friend has identified
Ok, I know all the usual reasons for using input tones on a repeater,
but I have more of a theoretical performance question. Again, I'm
putting together a portable VHF repeater out of a pair of Icom mobiles
(IC-F121) for search-and-rescue use. Since it's for temporary,
emergency use, my primary
Just to follow up and close the loop on this thread, I got a
Sinclair MR256 mobile duplexer, threw together a quick test setup and
tested it on my drive to work this morning... it's kicking butt
compared to what it used to do using two separate antennas. I'm now
getting good audio from five miles
[EMAIL PROTECTED] wrote:
I see the same thing even in the big cities - Los Angeles, San
Francisco, Chicago, Seattle, Vancouver B.C., etc. As you tune across
2-Meters, 220 and 440 MHz, most Repeaters are quiet, most of the
time. You can often scan the entire band(s) from a clear location and
At 2/23/2007 07:05, you wrote:
Ok, I know all the usual reasons for using input tones on a repeater,
but I have more of a theoretical performance question. Again, I'm
putting together a portable VHF repeater out of a pair of Icom mobiles
(IC-F121) for search-and-rescue use. Since it's for
A lot depends on the performance of the tone decoder you use. I have a
couple of repeaters using Zetron 38A controllers that detect the tone
way down in the noise, and one of them is operating with the squelch
open so it is only controlled by the tone. It will stay keyed reliably
with no
In a message dated 2/22/2007 11:40:17 A.M. Pacific Standard Time,
[EMAIL PROTECTED] writes:
The number of active ham repeaters in my area is way, way down in
comparison to levels of 10 years ago. It isn't uncommon to monitor a
repeater frequency and hear no traffic for weeks. Some clubs
Ken Harrison wrote:
Thanks for the recommendation, Don. Though I'm sure a MastrII would
be a great conversion for 220, we (in the group sense) want to try to
save some of our money to get a remote base setup going on our
repeater, too. Our small savings would be wiped out to replace the
Ken Harrison [EMAIL PROTECTED] wrote:
Yes, I figured I might get a few different opinions. I
certainly don't want to start a war, though! :-)
Which is one of the reasons I tried to toss a one of everything
type reply. The more information you have... the more choices you
get to make.
Has anyone had any experience with the Antenex YDA4404 antenna??
It is cut for 440-460Mhz which I like better than the DB408-B
which is cut for 450-470Mhz.
Thanks,
John W5RVT
What manufacturers currently have P25 capable repeaters on the market?
If the driven element is the loop dipole type like the Antennex
yagi I have here in front of me... it works killer (great)!
You can order the Antennex Yagi with a 430-450 range. I can supply
with the part number if you need it. The loop dipole driven element
is in my opinion one of the best
I have some VHF and possibly of some UHF (406-420 Rxs) Cleaning the
garage. Prices are very reasonable.
I am located in the Muskegon, MI. area for anyone in Michigan that
wants to pick up.
E-mail me direct at [EMAIL PROTECTED]
Thanks,
Jim, K8COP
Try this: http://www.danelec.com/
Juan
Asunto: [Repeater-Builder] Affordable P25 Repeaters?
What manufacturers currently have P25 capable repeaters on the market?
Tony L. wrote:
What manufacturers currently have P25 capable repeaters on the market?
Motorola, M/A-Com, EADS, Daniels, EFJ, Tait, maybe Racal. Several others
are reselling Daniels, maybe other brands.
Also, Raytheon has a P25CC controller that is supposed to add P25 to an
existing base, like
might take a look at a Quantar if you already have one, or even a Mastr III can
be upgraded (if not already)
We've successfully deployed Daniels and Quantar repeater setups w/ P25.
-
Want to start your own business? Learn how on Yahoo! Small Business.
Yes, the YDA4404 is indeed cut for the advertised 440-460Mhz subband. I have
one working just fine for a couple of years now.
Gary
john_moody88 [EMAIL PROTECTED] wrote:
Has anyone had any experience with the Antenex YDA4404 antenna??
It is cut for 440-460Mhz which I like better than the
Careful! Antenex and Antennex are two different companies. The antenna John is
asking about is a 4 bay dipole array (non-folded).
Gary
skipp025 [EMAIL PROTECTED] wrote:
If the driven element is the loop dipole type like the Antennex
yagi I have here in front of me... it works killer
For Scott:
With respect to using the GE MII mobile frame for repeater applications:
1. Can you say categorically that there is sufficient TX/RX shielding to
prevent any desense at any power level the conversion is capable of operating?
2. When these converted mobiles operate with
Phil wrote:
might take a look at a Quantar if you already have one, or even a
Mastr III can be upgraded (if not already)
Not all of either can be upgraded-only the newer ones. Older Quantars
and MIII's don't have the hardware to accomodate it.
BTW-Kenwood, Icom, Vertex, and Relm are reselling
With respect to using the GE MII mobile frame for repeater
applications:
1. Can you say categorically that there is sufficient TX/RX
shielding to prevent any desense at any power level the
conversion is capable of operating?
Depends on the pa power level. You can easily test for
[EMAIL PROTECTED] wrote:
For Scott:
With respect to using the GE MII mobile frame for repeater applications:
1. Can you say categorically that there is sufficient TX/RX shielding to
prevent any desense at any power level the conversion is capable of
operating?
At
Motorola, M/A-Com, EFJ, Kenwood, Icom, Relm/BK, Daniels. (likely others)
(if you mean P25 spec'ed)
Joe M.
Tony L. wrote:
What manufacturers currently have P25 capable repeaters on the market?
The 450-470Mhz version is the YDA4504 but this experience of yours is helpful.
I had a new YDA4504 but traded it back to Antenex for a YDA4404 thinking the
4504 wouldn't tune down far enough to work on our receive (441 range).
Experience with other Antenex antennas prompted me to pursue the
On 2/22/07, Ken Harrison [EMAIL PROTECTED] wrote:
Our group is in need of replacing the receiver on our 220 box and I
wanted to solicit some opinions from the group.
What are you using and are you happy with it? Would you buy any
particular one again? Why or why not.
Currently running a
With respect to using the GE MII mobile frame for repeater applications:
1. Can you say categorically that there is sufficient TX/RX shielding to
prevent any desense at any power level the conversion is capable of
operating?
In my experience, yes. In fact, we have had several repeaters
All the equipment has been sold Thanks to all that were
interested...
Gerry
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In a message dated 2/23/2007 12:00:13 P.M. Pacific Standard Time,
[EMAIL PROTECTED] writes:
It probably isn't exactly 50 ohms, but should be close. And the cables
from the duplexer to the radio do NOT *REPEAT* NOT need to be an exact
length. This again indicates an impedance mismatch in
Has anyone aboard had any experience with a 100 watt 220 Mhz PA made by
Falcon Communications.
The model is #8252. They quit production around 15 years ago.
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On 2/23/07, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote:
Generally speaking, CTCSS squelch is slightly more sensitive than
noise-activated carrier squelch. However, either one, when properly
There is one other minor factor in this... user radios... some aren't
set to output a reasonable CTCSS
... but does the collector voltage on the output devices remain constant during
power changes? If not, how do you avoid significant output impedance shifts?
Yes. The final stages are kept at B+, the power set is done in the first stage
in the PA; commonly known as the pre-driver or possibly
On 2/23/07, Mike Morris WA6ILQ [EMAIL PROTECTED] wrote:
Well all the good (and not so good) sites are now owned by nationwide
conglomerates that are run by accountants, with site managers that
are more bill collector than radio tech (ever try to explain to an
accountant
why a 931mhz paging
At 2/23/2007 12:50 PM, you wrote:
With respect to using the GE MII mobile frame for repeater applications:
1. Can you say categorically that there is sufficient TX/RX shielding
to prevent any desense at any power level the conversion is capable of
operating?
In my experience, yes. In
Well, with a lot of cake on my face I've just realized that Antennex
and Antenex are two different companies. Funny because I get on the
horn (phone) or online to order them and that small little fact has
gone by me all these years.
The yagi I mentioned in my first foot in mouth email is the
What about the GE MVP Scott..? Would the conversion be available
and similar for the MVP Mobile?
skipp
Scott Zimmerman [EMAIL PROTECTED] wrote:
With respect to using the GE MII mobile frame for repeater applications:
1. Can you say categorically that there is sufficient TX/RX
A half wave length cable will act as an impedance transformer too. In this
case it will be a 1:1 transformation and if the output of the transmitter is
not 50 ohms then whatever impedance it is will be transformed to the cavity
input.
73
Gary K4FMX
_
From:
At 11:41 AM 02/23/07, you wrote:
Careful! Antenex and Antennex are two different companies.
The antenna John is asking about is a 4 bay dipole array
(non-folded). Gary
Christmas..! must have been drunk in my beer again? Well... I've
got both types of those antennas here... actually one at
Hi Mike,
Even more fun is the frequent band openings. One repeater in the
SF Bay Area will lock up its reverse co-channel So Cal machine. Both
have no practical time-out timers. Happens more than a few times
a month... sometimes a few times in one week.
I can't help it if you guys are
* Tony L. [EMAIL PROTECTED] [2007 Feb 22 13:40 -0600]:
1) Has there been a decline in traffic and the number of active
repeaters in your area?
Not really. Activity has always been spares, even when I was first
licensed as a Tech in 1985. We have a low density of hams to begin
with since
I'm not Scott, but maybe I'll do... grin
See Below
[EMAIL PROTECTED] wrote:
For Scott:
With respect to using the GE MII mobile frame for repeater applications:
1. Can you say categorically that there is sufficient TX/RX shielding
to prevent any desense at any power level the
In a message dated 2/23/2007 4:32:54 P.M. Pacific Standard Time,
[EMAIL PROTECTED] writes:
as all better repeaters builders know, the equipment might have to be tuned
as a system using custom cabling lengths or Z Matchers for optimal
performance.
Can you comment on a difference of
[EMAIL PROTECTED] wrote:
I'm particularly interested in any shortcomings of the G.E. that are not easily
overcome.
Repeatability of a band split conversion, out of band (high-band to 222)
conversion, (where sensitivity is concerned) and tuning stability.
It seems that *some* MASTR II
_
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of Kevin Custer
Sent: Friday, February 23, 2007 8:34 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Re: 220 repeater receiver recommendations?
[EMAIL PROTECTED] wrote:
In a
Weren't there some 440 frequencies that had issues, too?
Joe M.
Kevin Custer wrote:
I'm not Scott, but maybe I'll do... grin
See Below
Yes, there is sufficient isolation for single box conversion with
absolutely no internal desense from the MASTR II Mobile, with the
exception of
Yep,
There are several conversions on the RB site for the MVP. They are loosely
based on the MII conversions. I haven't done many MVP conversions of any
particular band, but the ones I have done have not had any internal desense
issues.
Scott
Scott Zimmerman
Amateur Radio Call N3XCC
474
In a message dated 2/23/2007 6:15:19 P.M. Pacific Standard Time,
[EMAIL PROTECTED] writes:
Do you use a cable with the bird that makes it a ½ wavelength total line
length when you insert it in line? That should not change things when the
wattmeter/cable are removed.
I'm not sure I
In a message dated 2/23/2007 6:36:24 P.M. Pacific Standard Time,
[EMAIL PROTECTED] writes:
In my most critical applications, I use permanent in-line Bird samplers.
Then, cabling lengths don't change because I don't remove the samplers; and
you
know exactly what you have and where
- Original Message -
From: Nate Duehr [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Friday, February 23, 2007 2:48 PM
Subject: Re: [Repeater-Builder] 220 repeater receiver recommendations?
[snip]
Currently running a Kendecomm. Hate it.
Pots are squirrelly (low
Hallo zusammen
Ich habe eine Frage was die Programmierung der beiden Fug`s
anbelangt.
Die Software RSS für MX 3010 / 3013 geht nicht und die RSS 02.04.00
sagt mir nach dem auslesen der Geräte folgende Meldung:
MX 3000: Not supported special Product, SP Number = 150
MX 2000: Not supported special
At 03:27 PM 02/23/07, you wrote:
Hi Mike,
Even more fun is the frequent band openings. One repeater in the
SF Bay Area will lock up its reverse co-channel So Cal machine. Both
have no practical time-out timers. Happens more than a few times
a month... sometimes a few times in one week.
Yep.
PL is no cure for interference or desence, it just hides it until
someone actually tries to use the repeater.
Yep. All the more reason to require PL'd inputs and make sure that
systems don't have compatible PL tones with the one on the reverse...
At 2/23/2007 12:48, you wrote:
On 2/22/07, Ken Harrison [EMAIL PROTECTED] wrote:
Our group is in need of replacing the receiver on our 220 box and I
wanted to solicit some opinions from the group.
What are you using and are you happy with it? Would you buy any
particular one again? Why
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