Hello all. I'm new to the group and am looking for info on interfacing
my Midland 70-0351C 6mtr radio to an SCom 7k controller as a remote
base. I need the wireing diagrams to be able to do this. Thanks.
Thanks for everyones help. I think the tripod mount
will hold the top section of the 420. I will give it
a shot this week. The DB420 has been sitting in my
garage for a couple of years after being given to me
because it was being thrown out. One mans junk is
anothers treasure I guess. I was
Our ARES Group has recently acquired a number of Micor UHF radios that
were in service as commerical repeaters. We are looking to have them
converted to UHF ham frequencies (first frequency already coordinated)
and made serviceable for our group.
If you are aware of any good Micor repair
Dear all,
Can anybody help me to give the design idea of the low pass filter having
pass frequency of 470-474 MHz and notch at the frequency 482-488 MHz.
Thanks in advance .
-
Check out what you're missing if you're not on Yahoo! Messenger
galaxymap wrote:
Our ARES Group has recently acquired a number of Micor UHF radios that
were in service as commerical repeaters. We are looking to have them
converted to UHF ham frequencies (first frequency already coordinated)
and made serviceable for our group.
If you are aware of any
Eric,
I am using a commercial (450-470 split) antenna at 500 feet and it works
great. Be sure and tighten all screws, nuts and clamps and seal all
connections before putting it in the air.
Paul
-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] On
I have had the opportunity to check the db408 with an Anritsu, the antennas
seem to have very low VSWR at 442.4, 447.1, 453.4 and the best at 459.8...I
don't see why these wont work great throughout the band.
Lance N2HBA
- Original Message -
From: Paul Finch [EMAIL PROTECTED]
To:
Re: T-Band Filter (notch)
At first glance there appears to be enough distance between the
two frequency ranges. You might get away with a well designed
notch network at/in the higher side 482 range.
If you were crafty you could simply Tee the notch network into
your 470-474 feedline.
On 4/29/07, kk2ed [EMAIL PROTECTED] wrote:
Is it worth the extra money switching to the DB420?
I'll throw a comment here...
If you're going to spend the big bucks, the heavy-duty Sinclair
folded-dipole arrays are also wonderful antennas.
Nate WY0X
while i havent used them my self, i have seen them fall apart on a
tower.. the folded dipole sinclair antennas, on the vhf split.. we
have some of their dB counterparts on the same tower, same age or
older, and while electrically the dB antennas have degraded
significantly, all the lobes are still
Who is making the best repeater these days? Motorola or MA/Com formaly GE?
--
-Tim
Tim,
Now THAT'S a loaded question. hehehehe
Be prepared - now you'll get responses from Motorola fans,
GE/Ericsson/MA-Com/Tyco fans, Kenwood, et al. So now it becomes a question
of: new vs. old equipment; what purpose of usage (commercial vs. ham); etc.
Ad Nauseum
Mark - N9WYS
N9WYS wrote:
Tim,
Now THAT'S a loaded question. hehehehe
Be prepared - now you'll get responses from Motorola fans,
GE/Ericsson/MA-Com/Tyco fans, Kenwood, et al. So now it becomes a
question of: new vs. old equipment; what purpose of usage (commercial
vs. ham); etc. Ad Nauseum
Mark -
On 4/30/07, Merritt [EMAIL PROTECTED] wrote:
while i havent used them my self, i have seen them fall apart on a
tower.. the folded dipole sinclair antennas, on the vhf split.. we
have some of their dB counterparts on the same tower, same age or
older, and while electrically the dB antennas
the sinclair i saw had the upper lobe broken off the mast, flying in
the wind.. striking some 6 rigid copper feedline for a tv station!
your mileage my vary but those antennas arent very neighborly!
I think you're thinking of the older models. I don't think I have the
upper body
At 11:24 AM 04/30/07, you wrote:
Who is making the best repeater these days? Motorola or MA/Com formaly GE?
--
-Tim
That's a flamewar baiting question ! on the same level with
politics, religion and sex...
You'll find proponents of every brand out there... from Aerotron to the
little M
I'll take Motorola And EF Johnson Repeaters anytime over the Others .
Just my Two cents ... lol
73
Steve.
EF Johnson Tech
Motorola Tech .
** See what's free at http://www.aol.com.
Anyone building a UHF repeater, I have a DB Products DB4076W-A rack
mount duplexer that was just taken out of commercial service. The
repeater was replaced with a new Icom that had a built-in duplexer.
It's a 4 cavity bandpass/band reject duplexer and is listed for 450 to
470. I've seen many of
That reminds me of a time (many years ago) when I worked for Motorola. One
of the Motorola salesman was telling some of the other Motorola salesmen
about a system he had sold some radios into and how there were some coverage
problems. Upon discovering that there were a few GE handheld radios in
Steve and all,
FWIW - We [Will County (IL) EMA] have four EF Johnson base/repeater units
installed in a trailer designed for interoperability here in Illinois, and
we've had nothing but problems with them. First the VHF went south (and
were eventually replaced - by Johnson - with mobiles for
Mike, yours is a very good comment, Moto / MA/COM. Probably the best
approach would be to compare specifications, and take a good look at each
product for serviceablilty. Don't forget EF Johnson - I have 10 or 15 of
their VX series, and 5 or 6 M3, and a handful of Kenwood TKR820's and such
that
Mark, I am sure sorry to hear about the EFJ's going south. That has not
been my experience. I have had a couple of VCO's get noisy and one or two
power supplies fail, but this is over a 10 year period.
I do hope the manufacturer can get this resolved quickly.
Steve NU5D
Hello,
Johnson is not what Johnson used to be...
Paul
_
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of N9WYS
Sent: Monday, April 30, 2007 4:42 PM
To: Repeater-Builder@yahoogroups.com
Subject: RE: [Repeater-Builder] New repeater Motorola or MA/COM
At 03:06 PM 04/30/07, you wrote:
Hello,
Johnson is not what Johnson used to be...
Paul
And that statement is just the tip of the iceberg...
Talk to any long-term Johnson dealer.
I have used, programmed, setup, and interfaced both the Motorola and MA/COM
equipment. I like both equally. The Motorola Quantar is very nice, and
everything is self contained. Not big on the MTR2000 station but they are fine
as well. The MA/COM MASTR III repeaters are great also. Only drawback
Hello Andy, are you meaning the M3 is not made for 800 Mhz., or not dual
band (800/900)? The ones I maintain are 800 Mhz. Steve
On 4/30/07, Andrew G. [EMAIL PROTECTED] wrote:
I have used, programmed, setup, and interfaced both the Motorola and
MA/COM equipment. I like both equally. The
Understood -
On 4/30/07, Andrew G. [EMAIL PROTECTED] wrote:
My bad on that one Steve. Meant to only throw it in as 900. We had a need
for a high split 900 station 934-950 and could not get a M3. Still fighting
Motorola for a Quantar to use there. Due to the frequency pair we have, it
overlaps
I worked in a Johnson shop from 1973 to 1983, learned radio there. Learned
which Johnson were good and which ones were not. Love the old Fleetcom II
559 and 530 radios. All three of my repeaters on my tower are Fleetcom
II's, have not touched any of them in years. The PPL 6060 radios make
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