No Skipp, deviation was not mentioned, but the frequency change is on
the same magnitude as increasing transmitter deviation - a 12.5 khz
shift in frequency. 73, Steve NU5D
skipp025 wrote:
Steve S. Bosshard (NU5D) [EMAIL PROTECTED] wrote:
I beg to differ on this one, most respectfully
The pad is only used during testing to isolate mismatch between the
signal generator and spectrum analyzer and the device under test - not
to be left in permanently. At WACOM it was standard practice to use a
10 dB pad between the test equipment and the device under test. This is
because it
Ken did a nice rehab on my IFR500.
http://www.kgelectronics.com/about.html
Steve NU5D
ka9qjg wrote:
I really had Great Service from Bob at http://www.cardinalelec.com/
Fortunately it was only a Couple hour drive to drop it off and pick
it up , This is where the Pros go for the
Running 19 chs X 4 sites Simulcast / Voters - Already split antennas - 9
ch / 10 ch DB Spectra combiners - Still get around 37 watts after
combining 100 watt station - The old DB CUBE was a little better on loss
- would need another room for combining, though. Steve NU5D
KF4TNP wrote:
I beg to differ on the PEP vs Average in this instance.
On an amplitude varying signal, PEP and AVERAGE are not the same (SSB or
a complex amplitude modulating waveform). For FM, however, since FM has
a constant amplitude signal, I believe PEP and Average will be the same.
Once had a VHF
A couple of observations:
Same gain - same coverage. Fiberglass encased or exposed dipole - 5.8
dBd = 5.8 dBd - this is about the max you can expect from a 2M antenna
before the law of diminishing returns kicks in. More Gain for BUCKS
- look at a DB228 - 40 some odd ft long exposed
On re-re-reading the post, I suspect the MA/COM salesman proposes just
adding an analog trunked group to the system and calling that group
talk-around. Just another group in the trunked system. Any group can
be either Provoice (EDACS only) or P25 digital or Analog FM.
To many folks in the
I believe there is more that just amplitude involved Dan. The vocoder
coding algorithm handles sound patterns to (hopefully) improve
intelligibility. I remember part of the selection of the IMBE vocoder
dealt with voice inflection and the receiving station being able to
discern subtleties in
You could also turn the deviation pots - CG and Voice to min - not as
solid as a ground on the input, but might help divide and conquer the
noise source - I don't recall a M2 mobile making noise / hiss during
TX. On a repeater station, a gate may be leaking causing some pass
thru, but this
The Later Mastr Pro GE series base stations used a slanted heat sink for
the 12.6 and 10 V pass regulators. The chassis formed the back, and
there was a cover on the front making a conduit for forced air from the
4 inch muffin fan. Poor field mouse got into the slanted heat sink,
lost his
Never fazed the Station - BTW, we are using some ultra sonic noise
sources that plug into the AC outlets to deter rodents in our 911 center
and some rural tx sites. Steve NU5D
skipp025 wrote:
Re: mice and the GE Master Pro
What you didn't say was how the GE Master Pro in most
typical
One of the few boxes that goes 1296 and beyond. Don't know how much
support you can get from AEROFLEX or Cardinal Electronics. Nice box -
is more a cell site test unit than a service monitor. I have both an
8921, 1900, and 120B. The 8921 rides with me all the time. Steve NU5D
cruizzer77
http://groups.yahoo.com/group/hamvention/
MCH wrote:
List NAME???
Joe M.
Yahoo! Groups Links
* To visit your group on the web, go to:
http://groups.yahoo.com/group/Repeater-Builder/
* Your email settings:
Individual Email | Traditional
*
My 1900 has similar Tracking Generator Resolution. Low Resolution =
Fastest Sweep - may pass over some stuff that would be displayed in HI
RES that is a much slower sweep. I would expect some difference in the
trace. Best success, Steve Bosshard NU5D
Joel wrote:
Hello Group
Hope
Seems like to OEM is Oven Air - I believe they are still in business.
Steve NU5D
n9wys wrote:
If Tom needs a 5 MHz reference oscillator, they can be had for under $50 at
www.alltronics.com... I picked one up to use as an HSO in an MSF5000
I just received a note from Chip Angle that he will continue to provide
preamps for the ham community. Filters and duplexers for amateur
applications were taking a disproportionate amount of time and he is
discontinuing that part of his business. 73, Steve NU5D
this makes sense, Dave, 73, Steve NU5D
Dave Gomberg wrote:
At 09:56 3/25/2008, Steve S. Bosshard (NU5D) wrote:
Anyhow, without a fuse, the reverse protection diode or transorb in the
radio tries to short and shunt the reverse current from the radio.
So you are saying it is in parallel
I have installed land mobile stuff in Gov Surplus fire equipment, (right
next to Fort Hood) and 24 volt Forestry Service and 24 V street
sweeping equipment over the years. I will NOT install any equipment
across one battery in a 24 V string.
Take it somewhere else and let them do it. I
Some of the earlier equipment with 24 volt power and tube radios did use
a big ballast resistor. It did put out some heat. There was not that
much difference in current draw between send and receive, so you might
have 14 volts on receive and drop to 11 or so on send - with solid state
the
, the radio gets blown.
Steve
Dave Gomberg wrote:
At 05:22 3/25/2008, Steve S. Bosshard (NU5D) wrote:
any protection diodes - 10 amp protection diode against 400 amp starter
current - no contest.
Steve, this confuses the dickens out of me. I now understand the
reverse polarity part
I have the 454 but no RRX - might try http://www.ritron.com and see if
they will sell a manual ? Steve NU5D
Jack Hayes wrote:
I'm still searching for a manual (of copy) for a Ritron Patriot RRX450
UHF programmable repeater. Happy to pay copying costs and postage --
or whatever you like.
1 - Be sure it is working properly BEFORE you change anything.
2 - Program the new send and receive frequencies and adjust the VCO's if
necessary.
3 - Align the receiver front end.
An extender card really helps, but can be done without. I have tuned
the front end looking at the IF out with a
Decibel Products called something similar a Keyhole Pattern array. (3
dB omni and 2, 3 ele yagis in VHF).
Steve NU5D
Camilo So wrote:
Does any know is it possible to use two antenna with a matching line,
I mean a G7 and a 12 element Yagi, on 220 MHZ, my G7 have a very good
coverage in
Hi Vince, cannot help you with the socket - maybe Newark or Mouser, or
such. I have seen folks actually solder to the leads on the pass
transistor if all else fails. 73, Steve NU5D
Vince Staffo wrote:
My Astron RS-35M Power Supply has developed a problem with one of the
sockets used for
Seems like the chips are switched capacitance audio filters - similar
used in packet tone encoder / decoder. Don't have a clue. Steve
jeffcarlyle wrote:
Hi all, I posted 4 pics in the photo section of a board I got in a lot
You can probably get the truth chart from a Maxon LMR or Selectone LMR
service manual - The MXCOM chip was not uncommon for them - will take a
peek in the morning. Steve NU5D
Terry wrote:
Can anyone ID this tone encoder board?
IC is mx-com mx315
marked with FT303
6 dip switches
DCS /
Amen on the LTR trunk.
Worst problem was an electrical contractor and a materials hauler. The
haul guy had instructions to report to base when he reached the gravel
pits. This is unit 10, I am at the gravel pit, where do you want me to
go from here?
Poor gravel hauler's loudspeaker went
I have used many of the ARR preamps. They are great. They do not have
a product in the 1200 Mhz band. Also I cannot find a cross band coupler
other that a Diamond MX37 or possibly a Comet product. I was hoping
some folks here tried something beside 2M and 70 CM. Thanks for your
reply,
Ditto on the super flex - or 1/2 heliax. de nu5d
Jay Urish wrote:
Just go get some 1/2 suplerflex and call it good.
Willis M. Hagler wrote:
Hello All,
I am putting up a UHF repeater in Seattle and have a question
regarding feedline losses. The repeater site is on top of a
I had some very nice 3/4 catv 75 ohm line some years ago. It was foam
dielectric with a jelly filled outer jacket - nice stuff. I took a hack
saw and split the outer shield kind of like peeling a banana, then
cleaned out the dielectric, and took a small hammer and drove a PL258
over the center
When I moved some 155 mhz duplexers to 146 I found adding a type n elbow
in places where I could not get the notch to move made just enough
difference. This adds about an inch without having to rebuild the
harness, or else a nice way to test cable lengths. Also if adding the
elbow makes things
Which radio and which chip - Xicor 2212 and 9346 are pretty simple.
Others are not as common. Steve NU5D
PS - 2212 is a parallel eeprom and 9346 is a serial eeprom. Neither has
links to burn. 2764s ? are different. steve
w4wsm wrote:
Just got a programmer to burn GE chips. I've tried it
http://www.zetron.com/data/site/templates/zetrontemplate.asp?area_0=pages/menus/privateradioprodarea_1=pages/products/privateradio/m48-max
http://tinyurl.com/yva5pd
R.Wesley Bazell Jr wrote:
Picked up this Model at fort Wayne Hamfest for my MastrII 440 Repeater.
Have been using Software
Both ends need an isolation transformer and both send and receive
audio. Also if there is a high Z circuit, you may try adding a 1K or so
shunt resistor to lower the impedance of the circuit. I would
experiment with grounding only one end of the cable at first. Of course
this is moot with the
I have had good luck with k-comm line filters. First would try 0.001 mf
line to line and line to ground - on the audio pairs - be sure you are
using balanced pairs and not grounded single ended lines. This may mean
adding a 600 ohm 1:1 transformer at each end. Also 1/4w 100 ohm
resistors and
See if the screw in side connecting pin on the TEE is loose - glad you
found it. I have had a type N tee with a loose connection where the
side pin screws into the other pin. sb
Keith, KB7M wrote:
Just an update on the status of this project. I thought what I've
found might be
Be very sure the repeater is working properly BEFORE you re-crystal and
re-tune. This is probably old hat for you, but I have seen many
problems in recrystalling an unknown status station. Steve NU5D
Ron Wright wrote:
Joe,
I order a number of crystals each month and use Bomar. I also like
Imagine your 2M or 70CM base station were on a tall, tall, tower and you
can key and operate any one of 140 different repeaters world wide, no
noise, static, etc.
Thats DSTAR today. From Hawaii to Alaska, to Vancouver to Ottawa, to
Los Angeles, to London, to Berlin to Venice, to Darwin, AU.
http://www.batlabs.com/models.html
Jim wrote:
Ron Wright, Skywarn Coodinator wrote:
hi all,
Anyone know details of a MSR2000 with part number C73GSB-3145B.
--
/Subscribe to dstar_digital/
Powered by groups.yahoo.com http://groups.yahoo.com/group/dstar_digital
In Texas the JCAH (Joint Commission on Accreditation of Hospitals)
guidelines forbids installation and operation of radio transmitting
equipment in hospital elevator equipment rooms. Both Scott and White
and Kings Daughters Hospitals had us re-locate all of their radio
equipment in the early
Even magnetic amplifiers and tunnel diodes..
[EMAIL PROTECTED] wrote:
At 10/24/2007 19:26, you wrote:
I would consider anything that uses a semi-condutor material to be
active, Silicon and Germanium transistors included.
According to Wikipedia, a passive device is a device
Can't an isolator do both, provide a constant 50 Ohm load to the
transmitter, and offer 30 (single junction) to 60 (dual junction) of
isolation from signals travelling from the antenna to the transmitter
for mixing. If isolators were just to provide a constant load, why are
there dual
Wonder if any of these here diodes 'tunnel' ?
Steve NU5D
Jeff DePolo wrote:
If this is going mobile on a 40 ft crank up I would sure consider
separate antennas is possible. You can get into some real challenges,
and even with separate antennas you will still have issues to consider.
Also you will have a much better idea when the repeater pair is
determined. Steve NU5D
If it works into a dummy load without desense you either have a
feedline/antenna problem or external noise and most likely not the
duplexer - be sure and use an isolated TEE and sig gen with a dummy load
to test. Steve NU5D
jminn699 wrote:
-I am having the same problem also with a wacom
The idea with simulcast is to keep the non capture area as small as
possible. Typically the capture area is that where the dominant
transmitter has a 10 dB or greater advantage. In capture areas
subscribers hear only one signal A good test is to broadcast different
audible tones from each site
Once upon a time in the early 80s I worked on an Army Mars repeater that
self quieted. Transmitter on 143.990 and received on 148.01. Seems
like the transmitter used a X12 multiplier, and the receiver had a 12
mHz. IF. Took lots of screen wire and feed thru capacitors to make that
puppy
I once heard of a term called Gain Bandwidth Product where the greater
the bandwidth - lower the gain. FM commercial broadcast uses extremely
wide bandwidth to support 15 Khz audio and good s/n. Business once used
+/- 15 kHz transmitter deviation to support 300 to 3000 Hz, then +/- 5
kHz,
A transmitter may have broadband noise with considerable noise content
at the receive frequency. The notch in the transmit side removes
transmitter noise that may impair your receiver's capability. In an
earlier post there was mention of a solid state transmitter.
Traditionally tube
Time for an isolated TEE test with a dummy load. Why did you have the
duplexers tuned ? Was there a problem prior?
You should be able to split the duplexer without any trouble - just mark
things so you can go back as it was.
Best luck and 73, Steve NU5D
[EMAIL PROTECTED] wrote:
I am having
Decibel did make a 6 cavity notch duplexer - 4 full sized cavities -
that would work nicely on a 110 Watt M2 station @ 600 kHz. Isolated
TEE test into a dummy load - how bad is the receiver desense ? If you
don't have some test equipment - signal gen, dummy load, and a TEE
fitting with the
My DSTAR repeater has 3 inputs, and 3 outputs. In 70 cm it transmits
on 442.000 and receives on 447.000. On 23 cm it transmits on 1292.1000
and receives on 1272.1000, and the high speed simplex data port operates
on 1253.. Since like many programmable repeaters, I am not locked
into a 5
That would be Ed O'Conner at Simulcast Solutions
http://www.simulcastsolutions.com/
Steve NU5D
Brian Gieryk wrote:
I am looking to set up a simulcast tx with voted rx system on VHF hi
band (2 meters) using 3 MSF-5000 digital capable stations, with spectra
tac rx'ers.
Illegal is Illegal period.
Look at what there is to gain by promoting digital repeater technologies
- more spectrum - less interference - better range and better quality
communications - no pots to adjust on your repeater - 1s and 0s
We have it within reach to re-farm present spectrum for a
Hi Glenn,
If old Joe's repeater were usable and folks were making use of it by all
means leave it alone. Poor old Joe's repeater is not working so well
with a bad antenna, and it only has 2 folks that make contact for a
couple of minutes a day. The folks wanting the digital repeater could
[EMAIL PROTECTED] wrote:
I think you'll find in most areas where the repeater frequencies are
Full, that there are more repeaters to talk on than there are people
to actually talk on them.
And we need more repeaters?
My point exactly, Larry - is ham radio best served by more repeaters
wb6ymh wrote:
Technical question: Does a DSTAR radio automatically switch between
analog and digital? i.e. can the DSTAR user hear the analog activity
when his radio is in DStar mode so he can share the frequency?
Sharing between digital and analog was tried back in the packet
days... to
I take care of a pretty large EDACS system. There is a simulator built
into my COM120B just for EDACS and LTR - even decodes pocsag paging.
This is never used in setting up the base station/repeaters. The
procedure uses simple deviation and receiver tests. Same with
subscriber units - most
No flames here, Mark,
Maybe we should have stuck with straight keys - those bugs might obscure
transmissions - maybe a 10 wpm speed limit. But no, folks added
microphones and heising coils. Next thing the cans went to the sideline
and there were loudspeakers, then Central Electronics with
Hutton no longer carries Comspec. I just ordered 3 ID8s yesterday. My
account from 1985 was still good. Steve NU5D
I wonder if I should have purchased one of the micro repeater
controllers, though - get ID plus controllersb
Mike Morris wrote:
At 09:13 AM 09/20/07, you wrote:
Milt
I
Your local NOAA Weather station is a good test transmitter for frequency
and peak deviation.. Steve NU5D
JOHN MACKEY wrote:
If your service monitor showed 13 to 15 KHz deviation from 3 different
digipeaters in this area, something is definately wrong. The radios
those digipeaters are
I am surprised. That has not been the case in the Temple/Waco Texas
area. Steve
Ken Arck wrote:
At 04:29 PM 9/18/2007, you wrote:
Your local NOAA Weather station is a good test transmitter for frequency
and peak deviation.. Steve NU5D
---I disagree. I have seen MANY NOAA WX
try launching the program Mastr.exe /M3 and see if that does the trick.
Steve NU5D
Tina wrote:
I recently purchased a Mastr III repeater and the person i bought it
from said he would include the software. Well, after over a month I
finally got the software and it's for a Mastr IIe (from
Joe Tryzenski from Aerotron was the sales mgr - they were based in
Raleigh NC - their claim to fame was a fiber optic control cable - the
things would have some kind of malfunction in the control head - massive
overheat - nice radio but poor reliability. User programmable. Had 2
units VHF -
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
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
The full D-Star stack of VHF, UHF, and 1.2 GHz all at the same
physical SITE is a waste of spectrum, and should be avoided also.
Nate Duehr
There are around 14 DSTAR users in Temple, Texas, and our neighbors in
Waco and Austin are moving forward with their own systems as well. The
'full
Nate Duehr wrote:
But... I'll point out that even the Icom VHF/UHF D-Star systems are
just mobiles in a box... which anyone who has worked on a properly
engineered repeater knows... SUCKS -- on many levels.
They are $1500 mobiles in a box. Not $6000 M3 or the like. Maybe not a
good
I think I have had enough ESAS for one natural lifetime. Actually,
except for the remote computers locking up, and loosing track of circuit
index, the stuff actually worked pretty well. Had it roaming, multisite
dispatch, etc. Used Multitech VOIP equipment to tie sites together and
remote print
If you S1 is like mine Chuck, do you remember the low battery alert -
the user could not hear it, but everyone else could ?
steve - former S1 owner.
Chuck Kelsey wrote:
Yep. That's what I did, added a ComSpec encoder to my 4AT.
My Tempo S1 has the added encode with DIP switch. Both radios
Kinda off track for a Ham repeater group, but been there done that.
Mine was due to loss of 800 SMR channels when they were easy to come by,
then later impossible to get due to freezes.
Exclusivity. You need at least one repeater that has exclusive use in a
service area because LTR uses
An LTR mobile will try and access the repeater - short data
transmissions, even if the base repeater's transmitter is inhibited.
Some of the older stuff had to hear the data word from the repeater
first in order to transmit, but newer radios, though they cannot
handshake with a dead repeater,
.
De-Centralized trunking lets mobile units decide when to transmit. LTR
does not have a provision for the mobile radios not to transmit on a
busy channel. In centralized trunking, the site orchestrates mobile
transmissions.
But I may be wrong,
Steve NU5D
Jim wrote:
Steve S. Bosshard (NU5D
I have 14 channels at 3 sites running Johnson VX on 800 - they tell me
the VX logic was developed by Trident. In 460 Waco is a 4 channel
Uniden Esas, Temple is a 5 channel Uniden ESAS, and Killeen is 5 channel
ESAS, Killeen and Temple were originally a mix of Ida RLC's and Zetron
42's - the
Generally the duplexer only makes a slight contribution to the reflected
power. How doe the reflected power between the transmitter and antenna,
without the duplexer in line look? Steve NU5D
dallasreact112 wrote:
Anyone one know what to expect SWR wise with a duplexer?
I have a DB products 2
Saw this on eham.net
2007-07-14
*KD0YX http://www.eham.net/user/profile/KD0YX*
Test Equipment
*FS: About 20 Cushman Plug Mods $50 Ea
http://www.eham.net/classifieds/detail/235720*
I have a large selection of about 20 Cushman Plug in Modules. I know
they will work fine
Best I recall there was a choice between hardwiring COR to the TNC or
using internal Data Carrier Detect for the TNC to recognize activity on
the radio channel. This was an input signal from the radio to the TNC.
Way back whenSteve NU5D
Nate Duehr wrote:
Nate Bargmann wrote:
*
Ever run a 6V Carter on 12 V - gets kinda broad on the output. Steve NU5D
Beats a Mallory 1701 hands down.
Paul Finch wrote:
How about a Dynamotor? Worked on, talked on 100’s back when I first
started in two way business. Course they had a vibrator in them also
for the receiver. Still
Do I need to call Lloyd again??
Steve NU5D
Bob Dengler wrote:
At 7/30/2007 02:21 PM, you wrote:
Bob
That doesn't square with the large body of repeater owners who have used
Wacom cavities. Their UHF products used RG-142. However, their VHF
I tried something a little different in fastening a house bracket. I
took 2, 4 Ft lengths of 3/8 all thread rod. I welded one end of each
all thread to 1/2 of a 5 X 7 X 1/4 steel purlin clip. A purlin clip
is a flat soft steel plate used to join 2 red iron steel purlins.
After welding, the
W5AC at Texas AM has a 2M repeater on 146.820 co-located with an 800
Mhz PST. The 146.820 transmitter mixes with one of the 800 mhz
transmitters and has a direct hit on 146.220. They use split channel
guard tones because if in and out tone were the same, the transmitter
mix would open the
The question was a band pass filter between a receiver and a duplexer.
First thing Lloyd said was lengths between cavities and the output TEE,
comprising a duplexer are extremely critical. The original post cited a
working system with interference, hence a band pass filter between the
receiver
Lots of times those BpBr cans will pass stuff not too far from the
desired pass freq - A 2 loop BP cavity could very well help with
receiver overload from a 155 Mhz signal - a simple test would be to hook
a receiver to the REC port of the duplexer and see how strong the 155
Mhz signal is.
As
Whilst I have my GE books out, was anyone needing any info on the M3 or
M2e - lemme know - Steve NU5D
Jim wrote:
Jamey Wright wrote:
Based on the year you specified, it was probably Mastr II or Mastr IIE
although it could be Mastr III. I'm not sure when the Mastr III were
introduced.
You could always try and scrap the front end from a thrashed M2 mobile -
kinda lossy but can be used as a preselector - Also even a 3 dB.
attenuator might help against overload at the cost of 3dB. in RX sen.
Out of curiosity, what kind of repeater are you using? Probably said in
an earlier
http://www.bosshardradio.com/m3
discg.doc
You have to send this file to the repeater after you program the other
info, and resend it every time you reprogram the repeater. Steve
The Zetron file shows how to wire a Zetron Community Repeater Panel (or
any other outboard controller - not
Be sure the control line is terminated. I have seen m3's get repeat
disable from voice on the control line (even if remote control is not
used). Vexing problem. Steve NU5D - BTW that tip came from Pete
Lascelle at GE, or EGE, or Comnet, or MA/COM now days...
Vincent Caruso wrote:
Is it out of
Bought new around 1991 - lost one driver module in the PA - use internal
CWID/hang time, timeout timer, etc - Have outboard dtmf decoder tied to
a 440 receiver to turn off the repeater, otherwise everything stock from
GE - we do have a doug hall voter wired in using the local receiver plus
3
Wacom built their duplexers from aluminum irrigation pipe, seems like
they used several heavy metals in the electroplating process (outside
company). I remember when the EPA shut down the electroplating company
- dumping chemicals into the Brazos River - Wacom had to send their
goods to Fort
I was thinking most every radio used a crystal (TCXO) as the reference
from which everything else frequency wise is derived. One really stable
oscillator vs many oscillators. Steve NU5D
MCH wrote:
Regardless of how many modern radios use temperature stabilization, that
does nothing to
Sounds like you have the makings of a db 228 if you add the proper
harness. Else maybe run the repeater on one antenna, and used the
second antenna with proper cavity filtering as a diversity (term loosely
used) receive antenna. Steve NU5D
s3hampton wrote:
I presently have a DB-224E as my
Just remembered another plus for rock bound equipment - used to be lower
power consumption (before mosfet technology) because it took less power
to run a xtal osc than to run a synthesizer plus a crystal reference
oscillator. Don't know if power consumption is true today, though.
Steve NU5D
Thanks Ron - 73, Steve NU5D
Ron Wright wrote:
Steve,
The link to the D-Star you gave is an e-mail address.
Is the new group a yahoo group in the form of:
http://groups.yahoo.com/group/dstar_digital
This is the normal format for a yahoo group page.
73, ron, n9ee/r
--
Ham Radio
The General Electric MCD (Mobile Communications Division) was big on
TLAs (Three letter Acronyms). I always hoped there would be an LBI
(Lynchburg Book of Instruction) outlining TLAs. We have GETC's, MOM
PC,s IEA computers, CSD computers, The MOM looks at CIC's the TRIM,
VMIMs, and AIC's as well
Howdy Lou,
FB on wanting to put up a repeater. First step would be to see what
demand/need for a repeater might be? Is there already a repeater
serving the area and folks want to split off, or is this an unserved
area, and folks who cannot operate simplex needing a repeater?
For me that
The DCS turn off code is 132 hz. So, 131.8 hz ctcss and dcs could be a
problem. Otherwise we ran dcs with paging tones because tone coded
squelch and paging tones do have issues. I would think the two would be
OK, but where are you going to find a radio to encode tone and dcs at
the same
, the TOC could false a 131.8 Hz decoder, but not while the
person is transmitting.
Joe M.
Steve S. Bosshard (NU5D) wrote:
The DCS turn off code is 132 hz. So, 131.8 hz ctcss and dcs could be a
problem.
I just left a 911 Med Dispatch Center - I am pretty sure a kerchunk
every time another user keyed their radio and the TOC falsed their 131.8
PL would be a major issue. But, if you want to run 131.8 PL on the same
channel with DPL and a turn off code kerchunking the radio every time
they let
ever want to do that? Unless you like destroying isolators.
:)
73
Gary K4FMX
-Original Message-
From: Repeater-Builder@yahoogroups.com [mailto:Repeater-
[EMAIL PROTECTED] On Behalf Of Steve S. Bosshard (NU5D)
Sent: Sunday, July 01, 2007 8:52 PM
To: Repeater-Builder
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