Looks like a KT-36A TX/PA RT65FBS88HA combo
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Question
I'm assembling a portable/emergency GMRS repeater for my vehicle.
Said repeater will run about 10-15 watts or so out of the duplexer
(notch style). I'm trying to decide on an antenna to use. I want
to go with a mag mount for portability reasons. Would you fine
folks recommend a
I bought the setup from Talley... didn't like the
price so I had a local machine shop make up 10 extra
copies for my site. Cost about 75% of the Talley
price after the machine galvanizing shops were
done with me.
Talley or Tessco sell them...
skipp
Al Wolfe [EMAIL PROTECTED] wrote:
Looks like it is the DB-411-B model I have.
I've sent out a few copies of my drawing already
with the DB-402-B file ID. If you're unable to
modify the file ID (name) without hosing the
file, email me direct again for a properly labeled
DB-411-B.pdf file.
Thanks for your feedback on the
In addition to the below, tuning changes pretty fast
with heat rise (applied rf) and proximity to other
metals.
skipp
Eric Lemmon [EMAIL PROTECTED] wrote:
Tom,
If you have been following this thread for a while, you probably have
picked up on the fact that the typical isolator
By the nature of the beast, if one buys and builds
a Hamtronics repeater from kits, you will learn
quite a bit, while trading time and money vs buying
a premade unit.
There is something to be said for the mechanical
build of the converted commercial radio, but a well
done kit project can
While I agree to a certain extent,having one on the 220 band for 22 years,
they didnt play well in the 2 meter band with all the rf flying around
and were
replaced with MastrII's which have been flawless for a quarter century and
with superior performance and better audio,squelch,tone
At 3/9/2005 10:43 PM, you wrote:
Tom,
If you have been following this thread for a while, you probably have
picked up on the fact that the typical isolator cannot be tuned more
than 1 or 2 MHz away from the original factory tuning.
This is incorrect. See
Hi Lee,
You get what you pay for... I found the bare kit
type receiver front end needed a bit more help for
a high rf level repeater site. I bought the extra
helical preamp front end and it works just fine.
Also depends on the era and type of kit receiver.
Some have minimal amounts of
Bob Dengler [EMAIL PROTECTED] wrote:
It takes more than a spectrum analyzer to properly
tune a circulator or isolator.
Yes, need a tracking gen. to go with the spectrum
analyzer. Personally I use a TX, wattmeter 2nd
isolator (already tuned to freq. of course, to
keep the TX
Like my Heath-kit VTVM.
Neil - WA6KLA
skipp025 wrote:
By the nature of the beast, if one buys and builds
a Hamtronics repeater from kits, you will learn
quite a bit, while trading time and money vs buying
a premade unit.
There is something to be said for the mechanical
build
Has anyone ever tried to retune a low-band (43 MHz) Isolator to
the 6 meter band?
Neil - WA6KLA
Bob Dengler wrote:
At 3/9/2005 10:43 PM, you wrote:
Tom,
If you have been following this thread for a while, you probably have
picked up on the fact that the typical isolator
skipp025 wrote:
Hi Lee,
You get what you pay for... I found the bare kit type receiver front
end needed a bit more help for a high rf level repeater site. I
bought the extra helical preamp front end and it works just fine.
Also depends on the era and type of kit receiver. Some have
In a message dated 3/10/05 2:51:02 PM US Eastern Standard Time, [EMAIL PROTECTED] writes:
There's no reason you can't run a Hamtronics repeater at a commercial site when all the homework is done properly. Their turnkey boxes are even FCC Type-Accepted. cheers, skipp Not for part 90. If I
Yeah, but your VTVM is worth a lot more with the
vintage audio/test crowd because it has toobs
inside.
All that former dumster stuff is again worth big
loot with the retro tube audio crowd.
cheers Neil,
skipp
Neil McKie [EMAIL PROTECTED] wrote:
Like my Heath-kit VTVM.
Neil -
Yup. I bought it at a swapmeet a few years ago for $0.50 ... then
since, a couple more for a dollar or so.
The only problem I've had with it was the 1.5 volt 'D' cell went
dead one time.
Yea toobs ...
Neil - WA6KLA
skipp025 wrote:
Yeah, but your VTVM is worth a lot more
Hi Guys:
Can someone point me in the direction of where I might find a copy of
the operating manual for the IFR 1200A Service Monitor? I have
searched with no hits on the A model.
Thanks in advance.JIM KA2AJH
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At 3/10/2005 11:21 AM, you wrote:
Has anyone ever tried to retune a low-band (43 MHz) Isolator to
the 6 meter band?
Neil - WA6KLA
Where would one even find such a beast today? EMR's only go down to 66 MHz
now.
Bob NO6B
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Well, I got this large 19 rack panel: came with a Bird RF Low
Pass Filter #5041 labeled 50 MHz cut off.
Also included is a Microwave Associates three port isolator ...
with Model 7N053B, 43.56 MHz on the label. The 50 ohm load is
missing - the reason I was able to buy it for about
Hello All,
I do not know that much about the Hamtronics repeaters I did but 3 of them a
year or so a go for 900 MHz Ham use but replaced them very quickly with
Kenwood 900 MHz repeater. But the short time they where up they worked very
well. The only problem I had was we did replace the PL or
On my port-a-peater for GMRS I use a DB-404
and a short mast that I plug in a mount that I plug into my trailer hitch on
my SUV. it works very well for Bike tours and walks that our group does.
- Original Message -
From: rtoplus [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
hello everyone ,
I have a motorola trisolector part number tld-8994b.
a friend once told me that this could be used as a duplexer ,in fact
it is a duplexer from a mobile radio telephone does any one have
information about it ? i was told it is a vhf unit and it is rated
for 40-45 watts that
skipp025 wrote:
Sometimes there is no free Commercial radio lunch... a standard converted
Micor Mobile will start in chassis desense at power levels above 30-40 watts.
I have converted about 100 Motorola Micor Mobiles to repeaters. They
have included types from Low Band, High Band, and
Due to the recoordination of my repeater, I'm looking for that Elmer
to help me along the way retuning this set of duplexer's. I have
the tuning instructions and have a Cushman CE-6030 service monitor
with an analyzer, but not sure just what to do. I have everything
it talks about in the
I'm looking for manuals for the Daniels Electronics AC-3, AC-2, VT-
2, VR-2, UR-2, UT-2, SM-3B, SM-2 and any others I can find. Daniels
says that these are past the ten year support period and are no
longer supported. They don't even keep manuals that they will sell
to the public.
Can any
If the Service monitor has a tracking generator in addition to the spectrum
analyzer, look on the repeater builder web site for an article on tuning the
Wacom Duplexer, think it was a 641, and it shows you how to hook it up and
everything. Same philosophy applies regardless of the type of
I guess I should have said we use a Kenwood TKR-850 (non ver. 2)for the
repeater running 25 watts and for a duplexer we use an old mobile duplexer
model 631 made by Celwave. It does work very well. Set up time takes very
little time.
73 Russ,
- Original Message -
From: russ [EMAIL
--- In Repeater-Builder@yahoogroups.com, Paul [EMAIL PROTECTED] wrote:
...I have a motorola trisolector part number tld-8994b. a friend once
told me that this could be used as a duplexer ,in fact it is a
duplexer from a mobile radio telephone does any one have any
information about it ?
Hello Rob:
I have the SM-3 System Monitor Manual. It covers Models: SM-3, SM-3B
also replaces SM-2. I also have the UT-2C (UHF Transmitter) plus some
other of their manuals.
Best you go off list to see if you have interest in these manuals.
Ciao, Tony
Rob Hoeye wrote:
I'm looking for
Al - Do you need the antenna clamps - If that is
what you are looking for I believe I have a set of those - I am probably to far
from you to build stand offs for you - shipping would probably be cost
prohibitive. Dave / NØATH
- Original Message -
From:
Al Wolfe
To:
A Motorola TLDxxx model number says it is a 150 MHz range unit.
If your plan is to use it on the 2 meter ham band, I don't believe
it will tune sharply enough to do you any good.
It was originally designed use was probably either 5.26 or 6.28 MHz
spread between transmit and receive.
I need Help to Id a set of 4 Can Duplexers I Got from a Friend I hope
they are for 220. They are not marked Except The harness 4 Cables with
N Connectors are 8-9 in long They have WACO Written on them, On Top of
each Can by the Connecter is Engraved MB.
The Size is 10 ½ In High and 22 ¼ in
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