--- On Sun, 8/30/09, WA3GIN wa3...@comcast.net wrote:
From: WA3GIN wa3...@comcast.net
Subject: Re: [Repeater-Builder] Nearby Repeaters
To: Repeater-Builder@yahoogroups.com
Date: Sunday, August 30, 2009, 10:37 PM
4 miles
***
If I understand it correctly you
When all the engineering deficiencies are addressed, it doesn't matter
what the tones are.
Joe M.
Nate Duehr wrote:
On Aug 30, 2009, at 2:00 PM, n...@no6b.com wrote:
IMO, if different CTCSS freqs. are required to keep co-located amateur
systems from talking to each other, there is an
Looking for opinions.
Our club has a couple of 2m repeaters; we chose to run them with PL and we
picked 107.2 because that tone freq. was not in use in the area. Recently two
other clubs who also have 2m repeaters have decided to utilze the same PL tone
freq.
Does having numerous
Technically, yes, but in SWPA nearly all ham repeaters use the same tone
and I've never heard of it being a problem.
Besides, if all the hams run the same tone, and the commercial users
avoid that tone, it makes intra-service intermod problems much less
likely, and I would much rather have
@yahoogroups.com
[mailto:repeater-buil...@yahoogroups.com] On Behalf Of WA3GIN
Sent: Sunday, August 30, 2009 9:07 AM
To: Repeater-Builder@yahoogroups.com
Subject: [Repeater-Builder] Nearby Repeaters
Looking for opinions.
Our club has a couple of 2m repeaters; we chose to run them with PL
-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:repeater-buil...@yahoogroups.com] On Behalf Of WA3GIN
Sent: Sunday, August 30, 2009 6:07 AM
To: Repeater-Builder@yahoogroups.com
Subject: [Repeater-Builder] Nearby Repeaters
Looking for opinions.
Our club has a couple
At 08:06 AM 8/30/2009, you wrote:
Does having numerous repeaters PL'd with the same tone freq.
increase the probability of the normally generated intermod/mixed
signal to now carry within the produced signal a correct PL tone
that may land on the input freq. of another local repeater? Is it
OK, you'll have to explain how a different tone on the TX changed the
mixing products of the RF frequencies.
I bet it's more of a case where the problem was still there, just
hidden. At least if the problem is seen/heard, you can fix it. If you
don't know it's there, then you have minimal
@yahoogroups.com
[mailto:repeater-buil...@yahoogroups.com] *On Behalf Of *WA3GIN
*Sent:* Sunday, August 30, 2009 9:07 AM
*To:* Repeater-Builder@yahoogroups.com
*Subject:* [Repeater-Builder] Nearby Repeaters
Looking for opinions.
Our club has a couple of 2m repeaters; we
On Aug 30, 2009, at 7:06 AM, WA3GIN wrote:
Does having numerous repeaters PL'd with the same tone freq.
increase the probability of the normally generated intermod/mixed
signal to now carry within the produced signal a correct PL tone
that may land on the input freq. of another local
At 8/30/2009 09:25, you wrote:
On Aug 30, 2009, at 7:06 AM, WA3GIN wrote:
Does having numerous repeaters PL'd with the same tone freq.
increase the probability of the normally generated intermod/mixed
signal to now carry within the produced signal a correct PL tone
that may land on the
On Aug 30, 2009, at 10:39 AM, n...@no6b.com wrote:
At 8/30/2009 09:25, you wrote:
On Aug 30, 2009, at 7:06 AM, WA3GIN wrote:
Does having numerous repeaters PL'd with the same tone freq.
increase the probability of the normally generated intermod/mixed
signal to now carry within the
@yahoogroups.com
Sent: Sunday, August 30, 2009 8:06 AM
Subject: [Repeater-Builder] Nearby Repeaters
Looking for opinions.
Our club has a couple of 2m repeaters; we chose to run them with PL and we
picked 107.2 because that tone freq. was not in use in the area. Recently two
other
At 8/30/2009 09:57, you wrote:
When area plans show something like repeaters in this area all use
CTCSS tone X I always cringe a little.
Sure makes it a lot easier for travelers to find all the local
repeaters.
Bob NO6B
Who's so dumb that they SCAN with CTCSS Decode turned on?
Why do you cringe? Don't you have any faith in ham's ability to put on
quality repeaters or fix problems?
As has been noted, many areas have used the same tone with great
success. The only ones who haven't had great success have issues that
using different tones only masks and doesn't solve.
-Builder] Nearby Repeaters
At 8/30/2009 09:57, you wrote:
When area plans show something like repeaters in this area all use
CTCSS tone X I always cringe a little.
Sure makes it a lot easier for travelers to find all the local
repeaters.
Bob NO6B
Who's so dumb
At 8/30/2009 14:34, you wrote:
Here is one reason to have a different PL Tone...close spacing. Here in
NOVA 146.625 and 146.610 are two repeaters spaced on opposite sides of
WDC. Coverage is about the same. .625 users frequently bring up the .610
machine due to intermittant over deviation,
, 2009 6:04 PM
Subject: Re: [Repeater-Builder] Nearby Repeaters
At 8/30/2009 14:34, you wrote:
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-Builder] Nearby Repeaters
At 8/30/2009 09:57, you wrote:
When area plans show something like repeaters in this area
all use
CTCSS tone X I always cringe a little.
Sure makes it a lot easier for travelers to find all the local
repeaters
Uninverted - inverted - they both try to cram 16 kHz bandwidth channels
into 15 kHz. That is always going to create problems compared with
proper bandplan spacing.
What's even more ironic is the Land Mobile industry (and FCC) hasn't
learned anything from their past mistakes. They are now
: Sunday, August 30, 2009 6:55 PM
Subject: Re: [Repeater-Builder] Nearby Repeaters
If there is interference with the same tones, there is interference with
different ones, too.
Again, proper engineering (coordination in this case) is a necessary
first step, and selecting different CTCSS
mailto:Repeater-Builder@yahoogroups.com
*Sent:* Sunday, August 30, 2009 6:55 PM
*Subject:* Re: [Repeater-Builder] Nearby Repeaters
If there is interference with the same tones, there is interference
with
different ones, too.
Again, proper engineering (coordination
: Re: [Repeater-Builder] Nearby Repeaters
As long as you know that the problem still exists...
As for the perfect world, if you accept imperfection, it never will be.
I take it the root of the problem is that these two repeaters were
coordinated too close together?
Joe M.
WA3GIN
not use to.
JIM
-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:repeater-buil...@yahoogroups.com] On Behalf Of MCH
Sent: Sunday, August 30, 2009 12:02 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Nearby Repeaters
Again, explain how the mixing
At 05:18 PM 8/30/2009, you wrote:
Yes that is what you get, take it or leave it. So, different PLs do
have a place in the game in situations such as this. Its not a
technology issue, just luck of the draw.
It is simply VERY poor planning and design. This is the game of: I
plan to set up and
-
*From:* MCH mailto:m...@nb.net
*To:* Repeater-Builder@yahoogroups.com
mailto:Repeater-Builder@yahoogroups.com
*Sent:* Sunday, August 30, 2009 7:50 PM
*Subject:* Re: [Repeater-Builder] Nearby Repeaters
As long as you know that the problem still exists
4 miles
- Original Message -
From: MCH
To: Repeater-Builder@yahoogroups.com
Sent: Sunday, August 30, 2009 10:07 PM
Subject: Re: [Repeater-Builder] Nearby Repeaters
What kind of spacing are we talking, out of curiosity?
Joe M.
WA3GIN wrote:
Couldn't
On Aug 30, 2009, at 2:00 PM, n...@no6b.com wrote:
IMO, if different CTCSS freqs. are required to keep co-located amateur
systems from talking to each other, there is an engineering deficiency
somewhere.
Totally agreed, which is exactly why COORDINATING bodies really should
care, either
On Aug 30, 2009, at 9:01 PM, Nate Duehr wrote:
On Aug 30, 2009, at 2:00 PM, n...@no6b.com wrote:
IMO, if different CTCSS freqs. are required to keep co-located
amateur
systems from talking to each other, there is an engineering
deficiency
somewhere.
Totally agreed, which is
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