Bob Dengler wrote:
Someone should tell Kenwood, as their SkyCommand system clearly repeats
onto 2 meter frequencies.
But it functions as a 'remotely controlled base station', not a
repeater, the way I understand it's operation.
It's not repeating from one 2M freq to another that I know
At 9/7/2007 06:34 AM, you wrote:
Bob Dengler wrote:
Someone should tell Kenwood, as their SkyCommand system clearly
repeats
onto 2 meter frequencies.
But it functions as a 'remotely controlled base station', not a
repeater, the way I understand it's operation.
Yes (although that term is
But if it's a repeater AT ALL, it is PROHIBITED in the 145.5 - 145.8
sub-band!
I wasn't commenting on the frequencies in use and the legality therein; I
was just commenting that it can be serving two different functions
concurrently.
George Henry wrote:
1. The repeater input and output frequencies are different.
2. It is TRUE full duplex, simultaneously retransmitting what it
receives, with only a few millisecond delay attributable to the bit
regeneration process, no more than is seen with many analog
repeaters'
At 9/5/2007 06:44 PM, you wrote:
True, but if either capacity is not legal on the frequency, it cannot be
used as both at the same time.
Joe M.
I disagree, as the rules do not explicitly state this. This would also
make Kenwood SkyCommand illegal to use in the 145.5-145.8 band segment,
which
At 9/5/2007 08:42 PM, you wrote:
There's no reason why a particular piece of equipment can't be used in
both
capacities at the same time. Consider a 440 repeater, with an attached 2m
remote base (remotely-controlled station). The UHF repeater receiver
operates as both the repeater
The relevant repeater rule is 97.205(b):
---
(b) A repeater may receive and retransmit only on the 10 m and shorter
wavelength frequency bands except the 28.0-29.5 MHz, 50.0-51.0 MHz,
144.0-144.5 MHz, 145.5-146.0 MHz, 222.00-222.15 MHz, 431.0-433.0 MHz and
At 9/6/2007 11:46 AM, you wrote:
The relevant repeater rule is 97.205(b):
---
(b) A repeater may receive and retransmit only on the 10 m and shorter
wavelength frequency bands except the 28.0-29.5 MHz, 50.0-51.0 MHz,
144.0-144.5 MHz, 145.5-146.0 MHz,
Threaded...
Bob Dengler wrote:
At 9/6/2007 11:46 AM, you wrote:
The relevant repeater rule is 97.205(b):
---
(b) A repeater may receive and retransmit only on the 10 m and shorter
wavelength frequency bands except the 28.0-29.5 MHz, 50.0-51.0 MHz,
At 9/6/2007 01:07 PM, you wrote:
Bob Dengler wrote:
At 9/6/2007 11:46 AM, you wrote:
The relevant repeater rule is 97.205(b):
---
(b) A repeater may receive and retransmit only on the 10 m and shorter
wavelength frequency bands except the 28.0-29.5
George Henry wrote:
The point-to-point communications within a D-Star system take place over a
LAN, WAN, or the internet, not over-the-air. Therefore, I doubt very much
that the claim that D-star systems are auxiliary stations will pass FCC
scrutiny. Yes, I know that there already is a
: [Repeater-Builder] D-Star systems as auxiliary stations?
George Henry wrote:
The point-to-point communications within a D-Star system take place over
a
LAN, WAN, or the internet, not over-the-air. Therefore, I doubt very
much
that the claim that D-star systems are auxiliary stations
Jamey Wright wrote:
From the demo I saw locally, it is near real time. There is some delay but
it is only noticeable if you are close enough to hear the transmitting and
receiving station. I would say it isn't any worse than P25, ProVoice or any
other IMBE/AMBE vocoder.
Just my 2.5 cents
The first concept of D-STAR that I saw used 10 Ghz for the point to
point connections between sites. Internet is cheaper and we are hams.
Some time back I said if it walks like a duck, looks like a duck, quacks
like a duck, it just may be a duck. I believe DSTAR is a repeater.
I also
Wonder how much of the delay is inherent in the subscriber units, and
how much is attributed to the repeater ? Measure response on simplex,
then through a repeater, unless of course, these ducks aren't repeaters,
then it won't matter. Coffee time, Steve NU5D /K5CTX B, Temple, Texas
Jamey
%40yahoogroups.com .com] On Behalf Of
Jim
Sent: Wednesday, September 05, 2007 8:22 AM
To: Repeater-Builder@ mailto:Repeater-Builder%40yahoogroups.com
yahoogroups.com
Subject: Re: [Repeater-Builder] D-Star systems as auxiliary stations?
George Henry wrote:
The point-to-point communications within a D-Star
If the I/O is the same, it cannot simultaneously retransmit and cannot
be deemed a repeater under the current Part 97 definition.
Part 97 does not consider simplex repeaters to be repeaters.
Joe M.
Jim wrote:
I would say if the input and output freqs are the same, it is NOT a
repeater.
Subject: Re: [Repeater-Builder] D-Star systems as auxiliary stations?
[snip]
I would say if the input and output freqs are the same, it is NOT a
repeater. However, if the input and output are different, it may still
not be a repeater. Is it TRUE full duplex? Is it near real time vs. a
store
Except for the Simplex High Speed Data, (128K on 1250 Mhz) the i/o uses
an offset on DSTAR. 1292 uses either 12/20 Mhz. 440 in Temple uses 5
Mhz, and 2M uses whatever they can get. Look at the list of repeaters
on www.dstarusers.org for more details.
There is a delay caused by coding the
At 9/5/2007 12:45 PM, you wrote:
4. It does NOT carry out point-to-point communications over amateur
frequencies, but rather, over a LAN, WAN, or the internet.
Not true; it uses a combination of both. If there were no TX or RX
involved, then yes it would be only using internet no license
5. According to one of the postings on Icom's D-Star forums, the
developer(s) of D-Star have ALWAYS envisioned and called it
a repeater
system, as does the current sole vendor, Icom.
Yes it may be a repeater, but it's also an auxiliary station.
There's no reason why a particular piece
True, but if either capacity is not legal on the frequency, it cannot be
used as both at the same time.
Joe M.
Jeff DePolo wrote:
5. According to one of the postings on Icom's D-Star forums, the
developer(s) of D-Star have ALWAYS envisioned and called it
a repeater
system, as does the
- Original Message -
From: Bob Dengler [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Wednesday, September 05, 2007 5:55 PM
Subject: Re: [Repeater-Builder] D-Star systems as auxiliary stations?
At 9/5/2007 12:45 PM, you wrote:
4. It does NOT carry out point-to-point
- Original Message -
From: Jeff DePolo [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Wednesday, September 05, 2007 6:18 PM
Subject: RE: [Repeater-Builder] D-Star systems as auxiliary stations?
5. According to one of the postings on Icom's D-Star forums, the
developer
- Original Message -
From: [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Cc: [EMAIL PROTECTED];
Repeater-Builder@yahoogroups.com; [EMAIL PROTECTED]
Sent: Saturday, September 01, 2007 10:32 AM
Subject: Re: [Repeater-Builder] [Fwd: DStar Channel Spacing]
[snip]
Which is good
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