) at the top right is the mountain the repeater system is
on.
Over 96 structures destroyed already, and counting... and that wasn't a
complete count yesterday, according to the Sheriff's Office during a press
briefing.
--
Nate Duehr, WY0X
n...@natetech.com
in the covers, takes care of that... if you're even worried about
it. Happened once in a decade... to only one station...
Anyway... you learn to love 'em and decide that the weight and bulk is
worth it... :-)
--
Nate Duehr, WY0X
On 8/30/2010 7:01 PM, Paul Plack wrote:
I already know I'd love to have a MII, and the bulk won't be an issue
getting it home or storing it, but the proposed site is on a rooftop.
That part could get interesting. I may need to devise a truss...and
something to hoist the repeater, too!
thoughts for a little while, though.
Best Regards,
--
Nate Duehr, WY0X
n...@natetech.com
...
--
Nate Duehr, WY0X
n...@natetech.com
.
Is the answer to this question the Crescend amps perhaps? How did their
acquisition of Vocom affect their quality? I haven't looked lately, did they
mix up the model line and keep the Vocom stuff?
Just some questioning thoughts, not very well thought out, at almost 1AM...
--
Nate Duehr
to use one.
Can't count the number of cell site and other RF techs I've talked to over the
years who were just happy as clams when they finally got TDR equipment to check
cables too.
What's up with the RF industry not buying these things by the truckload? Too
spendy?
--
Nate Duehr, WY0X
n
, you might not have modern toilet facilities
afterward. A small price to pay, I suppose.
;-)
--
Nate Duehr
n...@natetech.com
large swaths by subject line, even... since that's what the Subject line was
created for, after all...) at your leisure!
Have fun with it,
--
Nate Duehr
n...@natetech.com
after all! ;-)
--
Nate Duehr
n...@natetech.com
is an excellent
book, well worth the $!
--
Nate Duehr
n...@natetech.com
years now...
--
Nate Duehr
n...@natetech.com
testing facilities have, and
video cameras recording you).
--
Nate Duehr
n...@natetech.com
facebook.com/denverpilot
twitter.com/denverpilot
More like, Give unto Caesar what is Caesar's... :-)
Nate
On Jul 16, 2010, at 4:23 PM, Pointman wrote:
Perhaps a lesson from Confucius would be in order as well, later paraphrased
by Jesus..Do NOT do unto others that which you would NOT like done to
you. I think the Pastor might get
to do... what was
that one called?
Oh yeah. Fired.
;-)
--
Nate Duehr
n...@natetech.com
facebook.com/denverpilot
twitter.com/denverpilot
.
--
Nate Duehr, WY0X
n...@natetech.com
facebook.com/denverpilot
twitter.com/denverpilot
you wanted. :-)
Heh heh,
--
Nate Duehr, WY0X
n...@natetech.com
at risk of large fines by a Federal agency, and an
easily-searchable violation stored online forever as long as I ran my
business, that would become my reputation.
--
Nate Duehr, WY0X
n...@natetech.com
at along with the recording, in your
Inbox the next day.
;-)
--
Nate Duehr, WY0X
n...@natetech.com
On 6/28/2010 9:52 AM, AJ wrote:
I had a controller failure over the weekend causing some serious audio
issues on a Mastr II repeater we deployed last week. What are the
minimum control shelf cards needed to put the repeater back in to a
factory repeat? I can get an IDer wired up in band to
didn't know about. ;-)
--
Nate Duehr
n...@natetech.com
facebook.com/denverpilot
twitter.com/denverpilot
On 5/24/2010 7:43 AM, Scott Zimmerman wrote:
--- That reminds me of a story Kevin told about when he worked in a CB
shop.
A guy came in and said he mounted his radio and now it didn't work.
Kevin went out to investigate and found the guy drilled two holes right
straight through the radio and
On 5/24/2010 11:38 AM, Kevin Custer wrote:
I went out and saw the bolt heads (with nice washers I might add) on the
under side of the case of the radio. He drilled 2 mounting holes right
through both sides of the case (and circuit board) and mounted that
radio to the dash. It sure looked good,
Those old TM-73x rigs from Kenwood were pretty cool. Still have my TM-732A,
purchased new sometime around 1991. Still works.
Have a tendency to pop PA brick modules if the antenna's not connected,
but... well, you only do that once. Ha. :-)
--
Nate Duehr, WY0X
n...@natetech.com
On 5/19/2010 3:03 PM, Scott Zimmerman wrote:
Input appreciated.
Re: Liability insurance...
The whole thing is amazing... you can buy the insurance, but it won't
pay for the lawsuit or the lawyers... so what's the point?
That's what will drive most small businesses bankrupt anyway... the
On 5/18/2010 12:29 PM, Larry Horlick wrote:
I suspect that the harness does not affect the
pattern, but rather it is the dipole to mast spacing.
Yes, I believe this is correct. Whenever I've looked, notice that the
omni versions are 1/2 wave spacing from the mast, and the cartioid are
1/4
... for $40 a year... I'll take the expensive antenna, any day... over
farting around with a lower quality one! ;-) Time is worth something...
--
Nate Duehr, WY0X
n...@natetech.com
facebook.com/denverpilot
twitter.com/denverpilot
On 5/14/2010 5:39 PM, WA3GIN wrote:
Hi folks,
Thanks for all the great inputs. Today we completed the installation.
3watts reflected and 110 forward. Can't complain about that for a
match to the antenna. The coverage appears to be excellent.
73,
dave
__._
How much at the antenna end of
On 5/14/2010 7:01 PM, Nate Duehr wrote:
On 5/14/2010 5:39 PM, WA3GIN wrote:
Hi folks,
Thanks for all the great inputs. Today we completed the installation.
3watts reflected and 110 forward. Can't complain about that for a
match to the antenna. The coverage appears to be excellent.
73,
dave
On May 12, 2010, at 12:22 AM, Paul Plack wrote:
Guys,
I'm considering the relative value of various coax protection schemes for a
planned UHF ham repeater. I know PolyPhaser is the industry standard, but I
also know they don't last forever, and can cause problems with spurious
.
;-)
--
Nate Duehr
n...@natetech.com
facebook.com/denverpilot
twitter.com/denverpilot
On 4/29/2010 11:20 AM, dmur...@verizon.net wrote:
You would go to Jail.
Apr 29, 2010 05:11:58 PM, Repeater-Builder@yahoogroups.com
mailto:Repeater-Builder%40yahoogroups.com wrote:
So if I had a UHF Saber, and programmed it to a Police frequency for
the purposes of TX EMERGENCY info only
of the problem... as well as a FAQ...
-- MSIE 7.0.5730.13 on Win XP, doesn't care and displays the page.
Sorry you're dealing with this Kevin... hope that helps... looks like Safari is
a little more polished about providing links to the problem vs. Firefox.
(Haven't tried FF yet though.)
--
Nate Duehr
, but I know that's
what I would have requested...
--
Nate Duehr, WY0X
n...@natetech.com
On Apr 7, 2010, at 8:07 AM, wd8chl wrote:
On 4/7/2010 2:28 AM, Nate Duehr wrote:
It almost sounds like you're talking about a trunked (multi-site)
system though, and I don't know of any trunked TDMA-based commercial
offerings in the 2-way radio market. Anyone else heard of one
On Apr 4, 2010, at 2:30 PM, John wrote:
--- In Repeater-Builder@yahoogroups.com, Nate Duehr n...@... wrote:
I like D-STAR as a not-very-well-designed first try and use it... but
it's seriously technologically flawed. Some of that can be fixed... other
things like the header
something like this, which kinda shows their hand a bit and how nervous the
other systems were making them both.
(Don't forget that Moto bought Yaesu...)
--
Nate Duehr, WY0X
n...@natetech.com
of learning about ALL of it,
leading to a weakness in C.
We have plenty of operators for D, but few technicians and electronics
experts. This list being a very large notable exception.
--
Nate Duehr, WY0X
n...@natetech.com
new foreign sports car.
You've asked the question of a lifetime. Not because it's difficult, because
it'll probably take about a lifetime for this all to shake out and someone to
have the answer you're looking for.
Your mileage may vary,
--
Nate Duehr, WY0X
n...@natetech.com
gave the answer. The trainer said, How
did you DO that? Before I could reply, my boss (kindly) said, We didn't hire
him for his personality!
LOL!
--
Nate Duehr, WY0X
n...@natetech.com
On Apr 2, 2010, at 11:32 AM, k7pfj wrote:
Unless you have a Aeroflex 3920 with the options you can scan DStar as well
as Mototrbo and all others.
Well, at least until the P25 guys turn on encryption. :-)
A whole new learning curve.
--
Nate Duehr, WY0X
n...@natetech.com
information not being interlaced...
--
Nate Duehr, WY0X
n...@natetech.com
On 4/1/2010 9:57 PM, George Henry wrote:
I suppose I should clarify: I don't do D-STAR, either. Moral objection to
their use of a proprietary codec.
You're going to be a while on that soap box. CODECs are almost
literally the only way to make any money in the audio streaming, video
On 3/30/2010 8:27 PM, Paul Plack wrote:
Did I miss *this
http://www51.honeywell.com/honeywell/news-events/press-releases-details/03.29.10HTSIWindProflier.html?c=31*
in an earlier thread, or is this a surprise?
Paul, AE4KR
Honeywell Wins
On 3/31/2010 1:52 PM, Chuck Kelsey wrote:
I don't think that they've been at 449 MHz. That's the new part. They
were much lower in the band.
That could be true... didn't remember where they were... maybe they were
down in the weak-signal portion of the band, and that's why I remembered
crap... a CHAIR at the workbench...
--
Nate Duehr, WY0X
n...@natetech.com
facebook.com/denverpilot
twitter.com/denverpilot
On Mar 27, 2010, at 4:09 PM, Greg Beat wrote:
Unit is in Colorado. Maybe the poor boy is oxygen deprived.
I resemble that remark! Wanna go up in my airplane? Let's see who has the
most red blood cells, and passes out first. :-)
--
Nate Duehr, WY0X
n...@natetech.com
facebook.com
of performance. I was Oxygen deprived.
Don, KD9PT
ROFLMAO Okay Don. As my wife would say... TMI! (Too much info.) :-)
I have an oxygen bottle for the airplane, don't worry. :-)
Really passing out at the controls would be a very bad day for all involved.
:-(
--
Nate Duehr
n
that helps
spark your thoughts as to how to properly engineer a remote base.
I know nothing about your MCC, but perhaps the note about pulsing a single pin
will bring some thoughts about whether or not you can use it, to mind...
Have fun.
--
Nate Duehr, WY0X
n...@natetech.com
On 3/24/2010 8:55 AM, Richard W. Solomon wrote:
On the subject of PL Encoder/Decoder: I was hoping that they
existed in a form factor that could plug into the MASTR II.
Failing that, I'll hardwire something in.
The TS-64MSTII from ComSpec is on their price sheet, and plugs into a
mobile in
On 3/24/2010 8:55 AM, Richard W. Solomon wrote:
One other item I need to get is a MASTR II UHF Mobile (-77- split).
p.s. Those are a pain to find. Have you looked in your area to see if
there's a linking area that wouldn't bother anyone up around 446
in-between the repeater inputs and
On Mar 23, 2010, at 7:10 PM, n...@no6b.com wrote:
G.E. reverse burst
STE or Squelch Tail Elimination was G.E.'s name for it, a different number
of degrees of phase shift ... but you knew that already. :-)
--
Nate Duehr, WY0X
n...@natetech.com
GE boards...
Plans now are for an NHRC-4 Controller at the Receive Site
and a PSE-508-2 at the Transmit Site.
Why mix manufacturers? It'll make maintenance for the next guy someday
harder.
Also curious what you're going to use for 10m antennas...
--
Nate Duehr, WY0X
n...@natetech.com
Mike, they wouldn't need so much... and they'd
be happier.
--
Nate Duehr, WY0X
n...@natetech.com
if you haven't been perusing the Antenna, Duplexer, and other areas of
www.repeater-builder.com -- definitely check those out.
This I want to build a portable repeater question comes up so often, I wonder
if someone has time to turn it into an article for RB...
--
Nate Duehr, WY0X
n
I completely missed that he said he was using a CES RM-10 controller. My bad.
Nate
ever needed or wanted just work, you know
how important that is. It's probably what's been lacking in almost every
ARES plan.
I ain't touchin' that comment with a ten foot pole.
--
Nate Duehr, WY0X
n...@natetech.com
, of course. :-) :-) :-)
A rich, competitive marketplace -- that tries to work around every possible
inter-manufactuerer standard ever devised... same as it ever was...
--
Nate Duehr, WY0X
n...@natetech.com
the end-game,
right? :-)
--
Nate Duehr, WY0X
n...@natetech.com
On Mar 12, 2010, at 8:38 AM, MCH wrote:
So you have color codes, TGs, AND RIDs and each repeater has only one
color code?
I'll see if I can find out about the color codes. I think a repeater will pass
more than one, and I think you DO program that part... but not sure. They're
only using
On 3/12/2010 1:03 PM, nj902 wrote:
Answers to most of the Mototrbo questions can be found in the Mototrbo
System Planner.
Here is some information on color codes and groups copied from that
document:
Color codes are defined by the Digital Mobile Radio (DMR) standard and
can be used to
On 3/12/2010 1:46 PM, MCH wrote:
Great info.
I assume that users are shut off via a 'kill code' to the radio since
the repeater cannot be used to allow selective access.
Also, is there a URL for the system planner?
Joe M.
Since I don't know if I'm supposed to have it, I sanitized it of
I talked to an owner of a system last night and he confirmed that user ID's are
8 digit, as are talk groups. There are some numbers that are reserved for
all-call and other things, so the straight math doesn't work out exactly, but
it's so many theoretical users and talk groups, you'd never
Each repeater handles two 6.25 KHz channels simultaneously, if that's what
you mean...? But both channels are continuously received by the
portables/mobiles. The transmission is one big interlaced TDMA signal that
takes up the full 12.5 KHz spectrum even if only one channel is in use.
I can
Don't they charge money for that privilege? I was under the impression that
they do.
Nate WY0X
On Mar 11, 2010, at 9:00 AM, KT9AC wrote:
Time to start taking the lead and develop something!!
http://developer.motorola.com/products/twowayradios/
On 3/11/2010 1:54 PM, MCH wrote:
I was talking about how many can be programmed in the repeater, not
necessarily active at the same time per se. IOW, how many talkgroups
can you program into the repeater. I'm assuming that you can 'deprogram'
some if you have two systems in the same area.
I
On Mar 11, 2010, at 6:53 PM, MCH wrote:
So if there are two TRBO repeaters in the same area, there is no way to
keep them both from being active and interfering with each other? That
doesn't sound right.
They're on different frequencies. Not sure what you're saying here.
Or, if I have a
p.s. If any of this were simple, tech support jobs would dry up and be a thing
of the past. :-)
I literally had a lady on the phone tonight who couldn't figure out that when
she clicked on twenty different things at a time, her PC got so busy it caused
the operating system to start throwing
On Mar 9, 2010, at 5:54 PM, Gary Schafer wrote:
Yep, that's what we got on the e-mail side of things... did you mean to send a
completely blank reply, Gary?
--
Nate Duehr, WY0X
n...@natetech.com
facebook.com/denverpilot
twitter.com/denverpilot
that 3dB loss helps, instead of hinders, so to
speak. :-)
I guess we should all probably also mention the evils of not terminating all
the unused ports on a multi-splitter with 50 Ohm loads, too... if we're going
to get this picky, right? ;-)
--
Nate Duehr, WY0X
n...@natetech.com
facebook.com
On 3/10/2010 1:47 PM, MCH wrote:
Along those lines? How many groups of users will the standard MotoTRBO
repeater support in digital mode? I know it will do 2 simultaneously,
but how many overall?
Also, I know it will support a single NBFM user - can a CTCSS panel be
attached to it?
Thanks,
Answers below
On 3/9/2010 8:29 AM, Ross Johnson wrote:
Can a dualband antenna VHF/UHF for RX ONLY be fed to two receivers one
VHF, one UHF, without a quote duplexer using a T instead?
Yes. Typically performance is better with mono-band antennas, since all
multiband antennas are a
On 3/9/2010 4:53 PM, Gary Schafer wrote:
Without the proper length cables between the cavities and the antenna
T connector both UHF and VHF signals will be attenuated depending on
the luck of the cable length.
What technical reason causes this?
Nate
like a lightning hit. Might be very suspicious of
that voter's other operations until you know why all the bulbs blew.
--
Nate Duehr, WY0X
n...@natetech.com
facebook.com/denverpilot
twitter.com/denverpilot
at a high-RF multiple-transmitter site.
That price includes using proper installation components.
--
Nate Duehr, WY0X
n...@natetech.com
facebook.com/denverpilot
twitter.com/denverpilot
What specific radios, and would 3 hours be enough for the radios
themselves or any other components they might be heating to return to
room-temperature (whatever that is where they're installed)?
Nate WY0X
On 3/8/2010 10:03 AM, Kent Chong wrote:
Hello Everybody,
Good day.
We have
On 3/8/2010 1:22 PM, MCH wrote:
That's just it. Everyone likes to throw names out such as 'alligator' or
'elephant', but few people realize it's all relative to the station
*using* the repeater, too. What repeater may be an alligator for one
person is an elephant to another depending on *their*
Sinclair HD (heavy duty) folded-dipoles (various models - how many bays
and how much gain do you want?) have served well for decades around here.
Have also seen DB products arrays last similarly long lifespans in other
clubs/groups in the area.
One of those (dual-mast, 8-bay folded-dipole
On Mar 3, 2010, at 9:09 PM, Glenn Little WB4UIV wrote:
The FCC is all lawyers with no technical people on staff.
I know at least two technical people on their staff. :-) But they're way too
busy dealing with bigger fish to fry than worrying about Amateur Radio
silliness.
--
Nate Duehr
On 3/4/2010 11:54 AM, David Jordan wrote:
What am I missing?
That there are other bands specifically set aside for this business
purpose, perhaps? :-)
Nate WY0X
On 3/4/2010 1:58 PM, David Jordan wrote:
I'm an HFer...Interference doesn't bother me ;-)
We'll notify your local power company that they can fire up BPL on your
block, effective immediately. :-)
(GRIN!)
Nate WY0X
Thanks for forwarding, Don.
David VE3GYQ was certainly one of the good guys. Great sense of humor,
and very smart.
My last on-air conversation with him was driving down from one of the
D-STAR repeater sites that was used temporarily until the system moved
to the higher location here, trying
On 3/3/2010 1:11 PM, Richard wrote:
I feel a little pessimistic about this, in that I expect it to happen
more frequently as time passes. I hope I'm wrong, but I can't help
feeling that we are going to gradually lose our spectrum as companies
with deep pockets buy our frequencies out from
Amateur Radio is NOT PRIMARY on 70cm in the U.S.. Never have been.
Never will be.
We are SECONDARY ...and NTIA let's us behave like we're primary... most
of the time.
That's why we lost with previous military systems (ask folk near Camp
Pendleton about that one), we lost with PAVE PAWS, and
On 3/3/2010 3:19 PM, Kevin Custer wrote:
In the case of the GE MASTR II, power control is done with a simple pot,
and all SWR protection, leveling, etc. is bypassed/eliminated - at least
with this interface board. Maybe someone has hacked the MASTR II PA to
allow for the incorporation of its
On 3/3/2010 5:29 PM, WA3GIN wrote:
That is a real stretch...these things are to be used for incidents
that require them...how many many high rise building fires do you have
in your town...think you can live with a little interference every 20
yrs. Get real.
The numbers are public in every
On 2/27/2010 7:54 PM, Fuggitaboutit wrote:
Why cant someone just come up with a 900 meg fm mobile for amateur
use? They would sell a zillion of them .
What would you pay for it?
Nate WY0X
in the metro areas, but in most
parts of
the country, 900 is empty. Heck, 6-meter ham mobiles have been around for
years, yet 6 FM activity is pretty dismal.
Chuck
WB2EDV
- Original Message -
From: Nate Duehr n...@natetech.com mailto:nate%40natetech.com
To: Repeater-Builder@yahoogroups.com
On 2/25/2010 1:16 PM, Mike Morris WA6ILQ wrote:
As a 10% to 15% duty cycle radio the MaxTrac, Radius and
GM300 are designed to transmit for no more than 10 to 15
seconds out of each 100 seconds.
Re: Duty-cycle.
Is that really the engineering specification for duty-cycle, is it
really in
On 2/23/2010 3:11 PM, Jim WB5OXQ inb Waco, TX wrote:
Is it possible the AM signal is getting into an audio stage instead of the
receiver front end? I had that happen once.
Same here. All audio inteconnects are now tiny coax cables at that site
now, installed with shield grounded at ONE
...
--
Nate Duehr, WY0X
n...@natetech.com
facebook.com/denverpilot
twitter.com/denverpilot
, Co 80504
303-736-9693
*From:* Repeater-Builder@yahoogroups.com
[mailto:repeater-buil...@yahoogroups.com] *On Behalf Of *Nate Duehr
*Sent:* Monday, February 15, 2010 11:15 AM
*To:* Repeater-Builder@yahoogroups.com
*Subject
will
compensate an EC. Only outside of that range in the chart in the LBI is the 2C
even a necessity... so if the repeater lives in any kind of
temperature-controlled environment...
Anyway... my $0.02 and another buck will get you some Via instant coffee. :-)
--
Nate Duehr, WY0X
n...@natetech.com
On 2/15/2010 7:05 AM, k7...@skybeam.com wrote:
I don't think there is any radio that will do NXDN and P25 in the same
radio. Don't take that to the bank just yet. The Mototrbo radio says
that there will be a firmware flash later this year that will add P25
to the radio and if recall that the
.
--
Nate Duehr, WY0X
n...@natetech.com
facebook.com/denverpilot
twitter.com/denverpilot
price sheet last month.
What specific radio will do both NXDN and P25... and what would firmware loads
to do both legally, cost? Carrying a laptop and switching when needed, isn't a
problem these days. Would be nice to get dual bang-for-buck, so to speak.
--
Nate Duehr
n...@natetech.com
phones. Mash-to-mumble...
--
Nate Duehr, WY0X
n...@natetech.com
facebook.com/denverpilot
twitter.com/denverpilot
On 2/9/2010 12:50 PM, n...@no6b.com wrote:
I'm looking for a used 5 to 11 element 440 Yagi. Need to have it by
2/18. Haven't found anything reasonable on eBay, eHam or at the local
swap
meets. Please reply direct to no6b at no6b dot com.
Thanks.
Bob NO6B
Tessco stocks Sinclair and does
Optima Colors:
The Red Top are starting batteries, optimized for starting and not long
discharge.
The Blue Top are deep cycle (Marine/RV), optimized for deep discharge.
The Yellow Top are somewhere in-between.
Because radio applications are often high current draw, like starting, many
go with
On 1/22/2010 8:46 AM, k7...@skybeam.com wrote:
If your not wanting to do P25 the Master 3 is a good repeater but my
vote would be a Quantar or MTR2000. cant get much better than that.
Why do you not recommend the MASTR III in P25 service, Mike?
The newer ones do it with the appropriate
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