It is very funny to me that the cheap Wouxun and Puxing radios have features
found on commercial gear.
Such a simple thing as reverse burst is added into this cheap radio, but yet
our over priced ham rigs don't even offer DPL half the time.
--- In Repeater-Builder@yahoogroups.com, Ralph
Glen,
Seems that this may be dependent on the radios manufacture date
What is the production number of your Vhf/220 unit?
Regards.
Steve
--- In Repeater-Builder@yahoogroups.com, Glenn Little WB4UIV
glennmaill...@... wrote:
Mine will do 5.00, 6.25, 10.00, 12.50, 25.00, 50.00 and 100.00 KHz.
The CH751 key is a generic cabinet key used by many manufacturers including
Square D, Soundolier, and other non-radio manufacturers. The 2135 and 2553 are
pure Motorola, reserved by Chicago Lock (the manufacturer) for only Motorola.
The BF-10A key is pure GE as is the GE1000 key. THere are
I was able to have a couple made at Lows. I can't remember the number of the
key but they did find one that came very close and it worked ok.
Aug 30, 2010 01:06:54 AM, Repeater-Builder@yahoogroups.com wrote:
Ah yes...the old BF-10aI have one.. a little beat up, would love to have
Metering with Digital and Analog Multi-Meters.
Re: MSR-2000 Alignment Metering
Mike Morris wa6i...@... wrote:
I heard it on TV as If it works it must be a Fluke.
I was quoting a friend from my old days at Motor-head (Moto)
Service. Don't know where he (Jeff) got it from...
Mine is a
On 8/27/2010 1:56 PM, Tom Manning wrote:
Hello Jim I note your message about narrowbanding and the comment
about the MSR2000. I have seen no info on doing so but it seems to
me that the MSR200 could be narrowbanded. The MSR is very similar to
the Mitrek and it can be narrowbanded by using a
Including all the different site keys
John
Doug Dickinson wrote:
The CH751 key is a generic cabinet key used by many manufacturers
including Square D, Soundolier, and other non-radio manufacturers. The
2135 and 2553 are pure Motorola, reserved by Chicago Lock (the
manufacturer) for only
Good Morning to the Group. I have a new RLS1000 Hub and a RC210 and have read
where Skipp and others have been successful in interfacing the hub with the
controller for more ports, but don't see how the connections are made. Does
Skipp or anyone else have any notes on hooking the two together?
On 8/29/2010 1:15 PM, Doug Hutchison wrote:
Ariel? Antenna maybe? C'mon guys.
Be careful Doug. The poster is from the United Kingdom, where they use
the term Ariel, not Antenna.
You know what it means, so let it go. This list is not just for
Americans, as we have many members from other
Took down a set of DB212-3 dipoles in good shape with harness. I want to use
them on 6m for a repeater antenna. I also want to add one additional dipole. I
guess I will need to modify the harness and the dipoles as they are marked for
35.960 mhz
I will be mounting all four (or 3) on one leg
I'd suggest using four if you have the tower real estate.
Adjust each element individually on the tower up in the clear (not
necessarily in the final location, but away from obstructions).
I don't know how the harness was designed for three elements, but making one
for four is easy. Each
How true Kev, Iam from the UK and it is spelt AERIAL.
But I do know that others use ant, Ae, but it is common
sense really
73
Steve
- Original Message -
From: Kevin Custer kug...@kuggie.com
To: Repeater-Builder@yahoogroups.com
Sent: Monday, August 30, 2010 4:27 PM
Subject: Re:
Re: DB212-3 (Low-Band Antenna Systems)
Hi Norm,
NORM KNAPP nkn...@... wrote:
Took down a set of DB212-3 dipoles in good shape with harness.
I want to use them on 6m for a repeater antenna. I also want
to add one additional dipole. I guess I will need to modify
the harness and the
Ariel? Antenna maybe? C'mon guys.
Be careful Doug. The poster is from the United Kingdom,
where they use the term Ariel, not Antenna.
... and for motorcycles
http://en.wikipedia.org/wiki/Ariel_Square_Four
Myself... I was also a Matchless and Triumph fan because
of the funny
Thought she was a mermaid.
Or perhaps an ariel atom, open motoring in the u.s.a.
;)
Ahh, the joys of spelling and grammar police on a multi-national list.
Xtra ;)
Kb0wlf
-Original Message-
From: Repeater-Builder@yahoogroups.com [mailto:Repeater-
buil...@yahoogroups.com] On Behalf
Ok, I'll ask the easy question, why not let it be happy with the proper input
to the sscb input for the pa...I think it may be only one wire.
.
bill
w4oo
.
.
--- In Repeater-Builder@yahoogroups.com, jimmylpowell jpow...@... wrote:
I originally posted this on the MSF5000 board
Just for starters you will get to change the coils in the RF Deck. Now that
means desassembling the deck. There are other changes in the IF section also. I
would forget this project and find a Range I UHF Mitrek. There were quite a few
built for the FEDS but they would be rare now...Jim
Actually the correct spelling of the UK term for Antenna is Aerial
not Ariel. Ariel was the name of a now defunct UK Motorcycle maker which
closed around 1967.
Ex Brit.
On Mon, Aug 30, 2010 at 11:27 AM, Kevin Custer kug...@kuggie.com wrote:
On 8/29/2010 1:15 PM, Doug Hutchison wrote:
Might take a little while, but 4 is what we will shoot for. If things go as
planned, we will have all the tower space we want above 675' on an 850' tower.
The legs are 4 solid steel and the face is at least 4' across. We still got to
come up with the feedline and cans. I am building a 100watt
correct, wasn't he also a greek god ?
Steve(M1SWB) UK
- Original Message -
From: petedcur...@gmail.com
To: Repeater-Builder
Sent: Monday, August 30, 2010 6:44 PM
Subject: Re: [Repeater-Builder] ariels
Actually the correct spelling of the UK term for Antenna is
On 8/30/2010 11:28 AM, ka2ajh wrote:
Good Morning to the Group. I have a new RLS1000 Hub and a RC210 and
have read where Skipp and others have been successful in interfacing
the hub with the controller for more ports, but don't see how the
connections are made. Does Skipp or anyone else have
In a previous life I managed the communications for a state police agency. We
used 45 MHz for our main system and had forty some odd tower sites, almost all
running DB212-3 antennas.
Two of the sites were on 1000+ towers and used a single DB-212 element due to
the large tower face and the
Doug -
Do you know how the phasing harness was constructed for the three-element
version? I don't, and that's why I suggested to Norm that he go with four -
the phasing harness is easy.
Or, he could use two elements for transmit and one for receive. I don't know
how much isolation he'll need,
I'm glad somebody brought this up.
I've got 2 of the DB212 antennas, without any phasing harness.
The tower that the repeater is going up on is 90', wide spaced triangular
tower (about 20' at the bottom 8' at the top).
I'm just wondering if the work in building the harness, building the
Unfortunately it’s been so many years since I handled one that I’m pretty foggy
on the phasing harness. The manual on Repeater Builder
http://www.repeater-builder.com/db/pdfs/db-212-assembly-and-mounting-instructions-(andrew).pdf
shows the feeds from all three elements coming together, but
Given what you need to do, I'd probably use a single element. The mast needs
to extend above and below the ends of the element, the further you can, the
better. I'd probably use a 20' schedule 80 aluminum pipe and center the
element on it.
Chuck
WB2EDV
- Original Message -
From:
Doug, what were the State Police using for mobile radios back when you were
involved? I'm finding that the newer, wider front end, radios don't hear as
well as the old 0.5-1 MHz wide receivers did. I can hit my 6-meter repeater
full quieting, yet sometimes can hardly hear it due to mobile
When I first started, the existing radios were GE Mastr II’s. They actually
had two receiver decks to cover the 800 KHz or so of our channel spread.
When the system was finally phased out, we were using Motorola Maratracs
with the handheld controllers. I had mine programmed with six meter channels
I'm doing this from memory - I have the docs at home and can verify later.
The DB lowband dipoles are 50 ohm feed Z due to the close spacing to the
tower leg.
1 dipole - fed directly with 50 ohm coax (VB-8)
2 dipoles - fed with equal legs of 50 ohm coax (VB-8) to a tee, match 25
ohms from tee
Anybody out there in radio land have schematics for
Trip-lite power supplies.
I have two PR 25A with different regulator boards. One works
the other doesn't.
Good ps 14vdc no load 13 vdc full load
Bad ps 15.8 vdc did not try a load yet.
Bad unit has an updated regulator board so I can't
Swap the 723 chip and go from there. You might not need anything more.
Chuck
WB2EDV
- Original Message -
From: Ralph S. Turk
To: Repeater-Builder@yahoogroups.com
Sent: Monday, August 30, 2010 3:48 PM
Subject: [Repeater-Builder] Trip lite
Anybody out there in radio
They don't provide schematics, but they will be more than happy to sell you
a new power supply.
After that conversation I swore off buying Tripp Lite anything.
Pretty much replace all the semi-conductors and any electrolytics that have
exploded.
On Mon, Aug 30, 2010 at 1:26 PM, Chuck Kelsey
On 8/30/2010 2:08 PM, Chuck Kelsey wrote:
Doug, what were the State Police using for mobile radios back when you
were involved? I'm finding that the newer, wider front end, radios
don't hear as well as the old 0.5-1 MHz wide receivers did. I can hit
my 6-meter repeater full quieting,
The radio I'm using in the mobile is a GE Orion with a noise blanker. However,
a noise blanker is designed to help with impulse-type noise. Microprocessor
hash and similar noise sources are continuous, so I doubt a blanker is very
effective. The problem, in my mind, is the huge increase in this
Noise blankers also target broadband noise. If some computer is dumping right
on your intended receive frequency, you're out of luck.
73,
Paul, AE4KR
- Original Message -
From: Chuck Kelsey
To: Repeater-Builder@yahoogroups.com
Sent: Monday, August 30, 2010 3:10 PM
Subject:
I'm working on a UHF ham repeater project for installation some time next year,
and was getting set to build one based on 35-watt Mitreks. I've just been
offered a 100-watt Mastr II UHF repeater, complete including the cabinet, just
taken out of service in a switch to narrow-band equipment.
I
IF you have a ver 2, you can do a mod detailed in the service manual by
switching the position of some cap's to make it work on one port without a
antenna relay.
On Sat, Aug 28, 2010 at 3:11 PM, Ken Arck ah...@ah6le.net wrote:
At 01:47 PM 8/28/2010, Juan Tellez wrote:
For simplex use,
I don't know the current frequency, but suspect it's in the
460/465 MHz range. Will it move down into the 440s without a
lot of grief?
Yes.
Also, I don't need anywhere near 100 watts, and need to avoid
abusing the good nature and power bill of my landlord. (Also
hope to have battery
Plans are Chuck, to measure the harness and post results for group information
and reference. While I really want 4 loops, I may end up settling for the set
of 3.
- Original Message -
From: Repeater-Builder@yahoogroups.com Repeater-Builder@yahoogroups.com
To:
I agree with Jeff 100%.
Chuck
WB2EDV
- Original Message -
From: Jeff DePolo j...@broadsci.com
To: Repeater-Builder@yahoogroups.com
Sent: Monday, August 30, 2010 5:53 PM
Subject: RE: [Repeater-Builder] Running a Mastr II Repeater QRP
I don't know the current frequency, but suspect
Understood. IIRC, the MII could use a homebrew supply which provides ~13.6 VDC,
so long as the voltage always stays high enough to keep the linear regulator on
the 10V card in its happy zone, right?
- Original Message -
From: Jeff DePolo
To: Repeater-Builder@yahoogroups.com
I inherited one of these with two of radios, one for the repeater, one for a
link. On the link PA, the finals were taken out and only the driver was left.
Worked fine.
-Original Message-
Date: Monday, August 30, 2010 4:48:49 pm
To: Repeater-Builder@yahoogroups.com
From: Paul Plack
On 8/30/2010 6:01 PM, Chuck Kelsey wrote:
I agree with Jeff 100%.
Me three...
Kevin
Most of this is true, but good noise blankers only operate on impulse
noise. More to my point is that noise blankers were a big factor in my
observation, therefore the dominant problem still appears to be impulse
noise.
In a similar vein, many of the newer, inexpensive small wide band Low
VHF
The spirit of air is mentioned in the Ariel Motocycle on Wiki as the
source of their name based on the fact they implemented very light (as air)
wire spoked wheels on cycles in the late 1890's. In this case I think it
seems to come from a character in Shakespeare's plays, notably The Tempest.
I have a 40watt base PA ready to go if you would like to run that.
-Kevin
_
From: Repeater-Builder@yahoogroups.com
[mailto:repeater-buil...@yahoogroups.com] On Behalf Of Jeff DePolo
Sent: Monday, August 30, 2010 5:53 PM
To: Repeater-Builder@yahoogroups.com
Subject: RE:
Kevin, I'll make a note and get back to you if we move forward, thanks! Is the
base PA rated for continuous duty? - Paul, AE4KR
- Original Message -
From: Kevin King
To: Repeater-Builder@yahoogroups.com
Sent: Monday, August 30, 2010 4:49 PM
Subject: RE: [Repeater-Builder]
Here down under, we are presently working through a District
Planning exercise where the City Fathers think that the words
Antenna and Aerial mean two quite different things. Should we
lose, we may well be back to smoke signals.
Gordon ZL1KL
This will be good depending on the sensitivity of your receive radio and the
hight or your coax should not be more than 30m
--- On Sun, 8/29/10, Steve steve.m1...@tiscali.co.uk wrote:
From: Steve steve.m1...@tiscali.co.uk
Subject: Re: [Repeater-Builder] ariels
To:
do u want to buy a duplexeur or u have a problem of a duplexeur?
--- On Sun, 8/29/10, antony antonyebu...@hotmail.com wrote:
From: antony antonyebu...@hotmail.com
Subject: [Repeater-Builder] Re: ariels
To: Repeater-Builder@yahoogroups.com
Date: Sunday, August 29, 2010, 10:59 PM
So i
Our club was recently given a 220 repeater. We have two seperate antennas. We
do not have a duplexer. My question is do we have to have a duplexer? How can
we keep the transmitter from desensitizing the receiver? The antennas are apart
but can be moved farther.
Thanks
Chris
Kg4bek
That's easy.
The first is my daughter's name.
The others are transducers.
grinning,
73 de Daniel KB3MUN
BTW, http://en.wikipedia.org/wiki/Antenna_%28radio%29 and
Chris,
You do not have to use a duplexer, but it makes building a repeater SO much
easier! Keep in mind that antenna separation usually means vertical
separation, not horizontal separation. Moreover, the same isolation
provided by 1000 feet of horizontal separation might be provided by 10 feet
On 8/30/2010 3:48 PM, Paul Plack wrote:
I'm working on a UHF ham repeater project for installation some time
next year, and was getting set to build one based on 35-watt Mitreks.
I've just been offered a 100-watt Mastr II UHF repeater, complete
including the cabinet, just taken out of service
I can't speak for any Wouxun radio, but I have tested at least a dozen
Puxing VHF radios, and none of them had reverse burst encode or decode.
Besides, the CTCSS tones were sloppy and nothing like a pure sine wave one
should expect in a professional radio. The Puxing PX777, in particular,
sets
Nate,
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! (Rimshot.)
This unit is very unlikely to
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!
Thank you for your response.
The problem is that the repeater is located on top of a building and the
tower on that building is only about 20 feet tall. We can move the two
antennas apart horizontally, but only 20 feet vertically. Duplexers are way
too
expensive and hard to find for the
if you keep your eyes open you can find 220 duplexers at a good price ..
Email Bob Morton and I am sure he can find you one at a good price .. I had
2 from him and love his work
and the shipping cost of a 220 duplexer is not that bad either
On Mon, Aug 30, 2010 at 8:44 PM, cmcclel...@aol.com
Chris,
There aren't many ways around the laws of physics. If you can't get adequate
physical separation, and can't afford a duplexer...perhaps you just can't
afford to operate a repeater.
Can you gather enough interested users, and get everyone to chip in for a
duplexer? If not, maybe your
Chris,
I plugged your frequency separation and power level into CommShop, and
assumed a receiver sensitivity of 0.3 microvolts. The program responded
that at least 77 dB of isolation is needed for zero desense- which is the
obvious goal of any repeater builder. CommShop calculated that 77 dB of
Since We are on the Topic of Duplexers, And some claim there is no such
thing as a Dumb Question but at the Risk of Asking one I will take a
chance , I have the Wacom 4 can on My 220 System,
The Question I have in a non controlled environment such as No Heat or Air
Will the
I see from the manual that the TX RX CTCSS frequency settings are
separate. I'm wondering if this HT can really run split tone (encode
decode separate CTCSS freqs.). Simply having separate settings is by no
means an indication that it can, since my Kenwood TM-G707 has separate
settings but
I think that it is looking for an input on the RCA jacks on the SSCB.
Mine does not have anything connected to these. I could be wrong.
Jimmy
On Mon, 2010-08-30 at 16:47 +, Bill wrote:
Ok, I'll ask the easy question, why not let it be happy with the
proper input to the sscb input
Do not know the date.
The serial number is J07-7405.
I got mine a week ago.
73
Glenn
WB4UIV
At 09:25 AM 8/30/2010, you wrote:
Glen,
Seems that this may be dependent on the radios manufacture date
What is the production number of your Vhf/220 unit?
Regards.
Steve
--- In
Theory: http://www.repeater-builder.com/antenna/thoughts-on-isolation.html
Applications: http://www.repeater-builder.com/antenna/separation.html
Mike WA6ILQ
At 05:36 PM 08/30/10, you wrote:
Chris,
You do not have to use a duplexer, but it makes building a repeater SO much
easier! Keep in
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