We took discriminator audio from inside of the radio.
Mathew
Steven Passmore [EMAIL PROTECTED] wrote:
I'm not advocating V7A's for link service or anything but they are available cheap on the used market because many of them have failing displays which cost more to repair than the radio's
CRC have recently introduced Di-Electric grease for reducing /
stopping corrosion and water ingress in connectors. Anyone tried it at
RF? Any good? Any problems.
Regards
Vaughan ZL1TGC
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Hi I am after information on constructing a Vari Notch coupling loop for 145Mhz to be placed in a cavity they claim superior notch any ideas please,
Fraser G8FEZ
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To
--- In Repeater-Builder@yahoogroups.com, Vaughan Henderson
[EMAIL PROTECTED] wrote:
CRC have recently introduced Di-Electric grease for reducing /
stopping corrosion and water ingress in connectors. Anyone tried
it
at
RF? Any good? Any problems.
Regards
Vaughan ZL1TGC
Vaughan
I
Hi all.
I to have used the dow stuff for years.
It is 4 Compound I believe it is the same as the goop that andrews supply
with their hardline connectors.
Just about all the outdoor connectors that I have used over the past 30
years has had it in the connecting faces as well as inside the body.
I
Anybody have a spare manual (or copy/PDF) of the 68P81014E15
supplement for the extender on the Micor T53RTA1404BA Mobile? I
already have a basic 68P81014E40 manual OTW from eBay. Thanks.
Vester N8EKA
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You are on the right track. 20 watts is not
really enough power. Most of the 220 acsb
systems I saw were poorly applied and built
from plans made by people who appear to have
never been in the field.
When you get into a new technology, there is
always strange issues to be dealt with. I
Sorry for the crazy post.
Doug B. from the 902 group fame... I'd like to
contact you direct, but you changed your call
a while back and I don't have a current Email
address.
Please drop me an Email direct. It's Amateur
Related.
thanks much
skipp
skipp025 at yahoo.com
[EMAIL PROTECTED]
Vester,
There is one in the Repeater-Builder library. The number of the one I have
is 68P1011E95. It's a Motorola photocopy. It is for the VHF extender
receiver and associated parts. I don't have it scanned into PDF though. I
won't have time to scan it to PDF before Dayton either.
If there is a
Good day to all
This was posted in a couple of other yahoo groups the other day. It
might be off topic for this group, but this really concerns/angers me
as a GMRS repeater owner. There has been discussion regarding this
post within several yahoo groups as well as the Popular Wireless BBS.
At 5/11/2005 02:58 PM, you wrote:
True of all Kenwood amateur rigs with factory PL I believe / Dave
Hmmm, yet another thing to complain about to the vendors at Dayton, along
with the lack of split-tone capability.
Bob NO6B
-Be advised that without modification, the packet COS out does NOT
At 5/11/2005 09:42 PM, you wrote:
I'm not advocating V7A's for link service or anything but they are
available cheap on the used market because many of them have failing
displays which cost more to repair than the radio's worth.
Uh oh, my G707's starting to lose some display segments. I know
At 12:30 PM 5/12/2005, Bob Dengler wrote:
At 5/11/2005 09:42 PM, you wrote:
I'm not advocating V7A's for link service or anything but they are
available cheap on the used market because many of them have failing
displays which cost more to repair than the radio's worth.
Uh oh, my G707's
re: Com Spec Reverse Burst RB-1 circuit
Cat-Auto RLS/RBS-1000 linking board circuit.
I've just Emailed copies of the Com-Spec Reverse
Burst RB-1 and the CAT RBS-1000 linking board
(the early analog version) to Mike for posting
to the RB Web Page (at his pleasure).
The RLS/RBS circuit is
At 5/11/2005 03:19 PM, you wrote:
Expensive: Mototola Mitrek recrystal and tempco at ICM: $50.00/element.
Bomar is $35.00. West is appx. $32.00.
There was a debate regarding West Crystal's alleged temperature
compensation a week or two ago on here. Check the archives - I forget the
At 12:34 PM 5/12/2005 -0500, you wrote:
Kenwood replaced the display on my V7a for free.
I sent it to the east coast repair center, and it came back nice and no
charge.
---If you bought the radio new, yep! They'd replace it for free. For those
of us who bought one used, we got to pay for a new
Has anyone had desence due to the fact that the repeaters antenna is
too close to the repeater its self? Like 12 feet of vertical
seperation and 2 feet horizontal?
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The Millicom version 100w amp was called an ESP2100 or ESP220 in the SEA
world. I do not have docs on it as I thought we might. Sorry. I can tell
you the radio was turned down to 5w to drive it so as to run it linear
properWe had tried some other amps over time but the emission mask was
I would be remiss if I didn't issue an invitation to my fellow
repeater-heads who are making the pilgrimage to the Mecca of
RF-Related-Stuff in Southwest Ohio next week to be sure to look for me.
I'll be the middle-aged white guy with a pot-belly and an HT on my
belt...oh, and I may be wearing a
DCFluX wrote:
Has anyone had desence due to the fact that the repeaters antenna is
too close to the repeater its self? Like 12 feet of vertical
seperation and 2 feet horizontal?
Yes. Had a Hamtronics repeater that wouldn't work in the presence of
its own RF, however it worked fine with a
Sounds like EVERYONE there.
-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of Bob
Sent: Thursday, May 12, 2005 11:06 AM
To: Repeater-Builder@yahoogroups.com
Subject: [Repeater-Builder] Speaking of Dayton...
I would be remiss if I didn't
I am in need of a audio board
PL19A129924G1 Rev. B
for a Mastr II
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Think it would be doing it to a MASTR-II Base that is on 146.64 /
146.04? Desence is variable with the power block setting.It is any
where from tolerable at the 20W level Annoying at 40W and Whoa
mama at 100W. You can hear real intresting feed back when the
repeater has the digital delay line
Expensive: Mototola Mitrek recrystal and tempco at ICM: $50.00/element.
Bomar is $35.00. West is appx. $32.00.
There was a debate regarding West Crystal's alleged "temperature
compensation" a week or two ago on here. Check the archives - I forget the
conclusion, if
Scott,
If you care to pass it to me at your Dayton table, I'll scan it when
I get back to GA and then mail it back to you. Let me know.
Vester N8EKA
--- In Repeater-Builder@yahoogroups.com, Scott Zimmerman
[EMAIL PROTECTED] wrote:
Vester,
There is one in the Repeater-Builder library. The
DCFluX wrote:
Think it would be doing it to a MASTR-II Base that is on 146.64 /
146.04? Desence is variable with the power block setting.It is any
where from tolerable at the 20W level Annoying at 40W and Whoa
mama at 100W. You can hear real intresting feed back when the
repeater has the
re: Decibel web page found
Worth a visit before it goes away.
http://www.decibelproducts.com/engineering/dbtech_8.html
skipp
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Interesting. When I sent a pair of GE ECs in
to Bomar recently, they quoted me $35 a piece. When I got the invoice,
they charged me $25 for one, and $35 for the other.
- Original Message -
Expensive: Mototola Mitrek recrystal and tempco at ICM: $50.00/element.
Bomar
Hello all -I am trying to help a friend of
mine get a Mastr II mobile fired up on 2 meters.
We are having trouble getting any thing out of the
transmitter. Receiver seems to be working OK although I'm sure it needs tweaking
a bit. We cut off the control head and built a small circuit
skipp025 wrote:
re: Decibel web page found
Worth a visit before it goes away.
http://www.decibelproducts.com/engineering/dbtech_8.html
Where is it going?
Kevin
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NATH wrote:
Hello all -I am trying to help a
friend of mine get a Mastr II mobile fired up on 2 meters.
I see nothing else changing on any
pins whether in transmit or receive. What on earth are we missing here.
Do you have the TX ICOM enabled by grounding the correct pin.
Paul Holm wrote:
Interesting. When I sent a pair of
GE ECs in to Bomar recently, they quoted me $35 a piece. When I got
the invoice, they charged me $25 for one, and $35 for the other.
Was one a FM TX ICOM?
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Dave,
It would help us out a lot if you can specify the complete model number
of the radio, and also the numbers ink-stamped on the exciter and
oscillator-multiplier boards. I suspect that you may have a
multi-frequency radio, and need to install a jumper to enable the TX
crystal. Do you have
How far can you move a micor 450-470 down? I moved one to 444.000 Mhz.
I put a 6pf cap. across L101 on Rx to increase sensativty. I need to
tune one to 442.675 on Rx, Not worried about Tx. Bruce, KD4BOH.
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I don't think so.
RX EC PL19A129393G7TX
EC PL19A129393G17
- Original Message -
From:
Kevin Custer
Interesting. When I sent a pair of GE ECs
in to Bomar recently, they quoted me $35 a piece. When I got the
invoice, they charged me $25
Quickly learned to slather it (or similar) on NMO antenna mounts --
O-rings, lock-nuts, springs, whip-set-screws -- anything threaded that
might need to come apart; years later -- vehicles looked like he77,
mounts like new. Surprising little rusting around the hole, too.
DC-to-daylight...
Yes. Many repeater receivers are simply not well enough shielded to
keep the TX from leaking into the RX box. Even some commercial
repeaters will suffer desense if 100% shielded feedline is not used. I
have seen serious desense occur when a dual-band (2m/440) antenna is
used on a repeater, due
I'd like to compare notes with anyone who might have a Daniels
repeater, specifically the UT-2, UR-2, VT-2, or VR-2
I got one on fleabay recently, and boy it looks nice.
This is the first time I've seen a receiver that uses a two-stage
helical filter on the first IF local oscillator!
Makes
At 5/12/2005 11:24 AM, you wrote:
Think it would be doing it to a MASTR-II Base that is on 146.64 /
146.04? Desence is variable with the power block setting.It is any
where from tolerable at the 20W level Annoying at 40W and Whoa
mama at 100W. You can hear real intresting feed back when the
I stand corrected.
I just confirmed this by calling Bomar. Some TCXO's will be more, but most are
$25.00 including the crystal. They do have a $60.00 minumum, but that includes
the shipping so 2 channel elements in most cases will meet the minimum.
Steve
WA6ZFT
From: Kevin Custer [EMAIL
On Thursday 12 May 2005 01:57 pm, DCFluX wrote:
Has anyone had desence due to the fact that the repeaters
antenna is too close to the repeater its self? Like 12
feet of vertical seperation and 2 feet horizontal?
I don't know about your MASTR II base station (per later
post) but I had
At 02:52 PM 5/12/2005, Bob Dengler wrote:
At 5/12/2005 11:24 AM, you wrote:
Think it would be doing it to a MASTR-II Base that is on 146.64 /
146.04? Desence is variable with the power block setting.It is any
where from tolerable at the 20W level Annoying at 40W and Whoa
mama at 100W. You
tln 5165 b1 need info on attached wire pin out. thanks Bruce KD4BOH.
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At 5/12/2005 12:37 PM, you wrote:
Yes. Many repeater receivers are simply not well enough shielded to
keep the TX from leaking into the RX box. Even some commercial
repeaters will suffer desense if 100% shielded feedline is not used. I
have seen serious desense occur when a dual-band (2m/440)
This
brings up an interesting memory, I worked at a nationwide paging company and was
moved back into repair manager after the new manager guy was fired. (He
got caughtlistening in on a private conversation with a Telco
buttset between a tech and the President of the company)I started
Thanks for the reply Eric- I am on the Mastr II list also but have not posted
there yet. I think what you
are saying is exactly what we were suspecting - we added a jumper to the
receive and it fired it right up.
I have since tuned it a bit and it seems to receive ( on 154 Mhz ) as low as my
Bob,
The most recent instance was with a Cushcraft ARX-270 2m/440 antenna. I
watched this antenna being assembled, and I can state that there was no
corrosion, maladjustment, or looseness involved. We used that antenna briefly
for a 2m repeater simply because it was already in place, and we
Kevin - I am looking to see where I need to ground
the transmit Icon or which pin
I should say - Recvr is working pretty fair now.
It is a multi channel w/ control head
removed and just trying to get it going - Thanks
for assistance Kevin / Dave / NØATH
- Original Message -
Scott,
Send it, and it will get returned to you with a CD containing the PDF of the
manual. I will also send it to Mike Morris to get it posted, unless Mike
will also be journeying to Ham Mecca.
mike
-
Mike Perryman
YEP!
DCFluX wrote:
Has anyone had desence due to the fact that the repeaters antenna is
too close to the repeater its self? Like 12 feet of vertical
seperation and 2 feet horizontal?
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Has anyone had desence due to the fact that the repeaters antenna is
too close to the repeater its self? Like 12 feet of vertical
seperation and 2 feet horizontal?
---No but my father once told me I never used desense I was born with!
Ken
At 10:57 AM 5/12/05, you wrote:
Has anyone had desence due to the fact that the repeaters antenna is
too close to the repeater its self? Like 12 feet of vertical
seperation and 2 feet horizontal?
Absolutely -
if the shielding is missing, or the designer didn't put
enough on to start with, any
Go ahead and send it -
I will not be able to make it to Dayton unless a miracle
happens and a fully paid airline ticket lands in my lap...
No $$$ in the slush fund.
Mike WA6ILQ
At 02:07 PM 5/12/05, you wrote:
Scott,
Send it, and it will get returned to you with a CD containing the PDF of the
At 5/12/2005 01:41 PM, you wrote:
Bob,
The most recent instance was with a Cushcraft ARX-270 2m/440 antenna.
Yup, heard similar stories about unexplained desense with that particular
antenna. Possibly a bad capacitor. At any rate, unusable for duplex
service. Definitely not representative
This past December I ordered 7 crystals from Bomar Crystal for
$70.00 + $10 shipping. When I received the crystals, one pair was
reversed Tx and Rx. When I called them on it, They said that it was
what I had ordered, and so graciously offored to re cut them for $10
each NO MINIMUM (WOW WEE)so
Well Mathew, being a general, and with all the nice gear on the wall
in your shack photo on QRZ, you should learn about Optos. If you can
wire up a LED with out letting the smoke out, AND use a NPN
transister for a DC switch then you might be able to use an OPTO to
control an 8Volt device from
I beleive ICM will send you an order confirmation via snail mail, but it has
been such a long time since I ordered from them I'm not sure if they still do.
You could fax your order to Bomar with no voice phone number
and request that they fax back a confirmation as a condition of sale. That
I am asuming no one came up with a schematic.
All parts can be obtained from www.web-tronics.com
You can replace D1 with what ever voltage you need up to 11V to allow
head room for the NPN transistor to function, And you can replace D1
with a 10K resistor or if you just need +11 or +12 COS
I forgot, you may have to add a 100K resistor accross D1 depending on
the controllers loading.
On 5/12/05, DCFluX [EMAIL PROTECTED] wrote:
I am asuming no one came up with a schematic.
All parts can be obtained from www.web-tronics.com
You can replace D1 with what ever voltage you need up
Probably a dumb question, but
I just obtained a new Sinclair SRL235-2 antenna. The
factory 'Y' junctions in the harness are enclosed in
plastic clam shells which were apparently filled with
some type of goo and then clamped onto the cable. The goo
around the edges is still very... well,
I have a DB228E that I want to mount on a 300ft tower.
The antenna is resonant at the VHF freq that we have allocated for a 2 meter repeater.
My question is...How far from the tower face should the dipoles be? I dont have the 228 mounting bracket and will have to fabricate them at a machine
did you send they the order in writing?
I have never ordered without a fax and it has always been correct.
- Original Message -
From: Coy Hilton [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Thursday, May 12, 2005 6:42 PM
Subject: [Repeater-Builder] Re: Caution on Bomar
come to think of it I also have an 800 fax number for Bomar.
- Original Message -
From: [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Thursday, May 12, 2005 7:34 PM
Subject: Re: [Repeater-Builder] Re: Caution on Bomar Crystals
I beleive ICM will send you an order
I pick up the phone and dial ICM and talk to a human, no fax needed, ever.
Everything I have ever ordered from them has worked right on time,
first time, everytime. I havent had to change any compensation caps,
just stick the rock in the ICOM and diddle the center frequency, The
latest set
What
type or size tower are you mounting to? Rohn 25, 45, 55, 80? We have
three DB268 (VHF, 8 dipoles on 2 20 ft masts) on our tower at work and they are
mounted on 6 ft side mounts. One at 130 ft,one at 270 ft and one at
300 ft. Been there for almost 5 years and no problems. They even
If I remember correctly, a 228 is two 224s on a double-length
mast. If that is the case, then I suspect that a 224 clamp kit
will not be enough for twice the weight and twice the wind
loading.
I'd plan on fabricating something equivalent to double the 224 kit,
then have it galvanized at the
At one time I had them make crystals for a number of Motorola radio's HT
that was in use in Florida. This was in June or July. Had the Motorola
factory have to tune them a number of time the first 90 day. Then they stay
ok till we had them in Gatlinburg, Tn for a late December show. Most
Hi Lloyd,
For the two meter db products antennas, I use their
db5001 side mounting kit.
While we are on the subject, I have a set of db
products antennas for sale which were custom made for
a split site repeater. The set consists of a
db222(dual dipoles) receive antenna and a db215(dual
BTW,
the tower is a Rohn 80, 320 ft tall. Counting the the wireless companies,
there are 51 antennas on the tower.
Jamey Wright
KD4SIY
-Original Message-From:
Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED]On Behalf Of Jamey
WrightSent: Thursday, May 12,
--- In Repeater-Builder@yahoogroups.com, Bob [EMAIL PROTECTED] wrote:
I would be remiss if I didn't issue an invitation to my fellow
repeater-heads who are making the pilgrimage to the Mecca of
RF-Related-Stuff in Southwest Ohio next week to be sure to look for me.
I'll be the middle-aged
I had an arx270 to slowly burn the cap out @ the feed point of the antenna.
They will not handle 100 watts @ feed point on continuous duty. I contacted
Cushcraft and they sent me a new cap at no charge. I use it home now, no
repeater use. Bruce, KD4BOH.
- Original Message -
From: Eric
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