> I'm looking for some "high stability" Mitrek channel elements
> to use in
> several link and repeater transmitters we have. The part
> number is KXN- 1095.
>
> I can use about 15 of these channel elements.
>
> The standard elements we are currently using are not very stable and
> allow the
> Avoiding it like the plague Sir!!
If you don't go, how are you going to earn any Dayton spending money?
WN3A's Las Vegas motto: "There's no such thing as a loser, just winners
that quit too early."
--- Jeff
--
No virus found in this outgoing message.
Checked b
others, but came up
empty at all but one place, and they quoted me $10.50 EACH!???!? Anyone
have a favorite vendor that they could recommend?
--- Jeff
----
Jeff DePolo WN3A - [EMAIL PROTECTED]
Broadcast and
urrent protection crystal-based transmitters (at the time, Mastr
II series), and from all indications, they have exceeded that specification.
Duplex operation on 2m seems to be comparable to the Mastr II PLL exciter,
which represents about a 22 dB reduction in noise over the standard
multipli
Sounds like an old Cushcraft AFM-4DA array. Bad news.
--- Jeff
> -Original Message-
> From: Repeater-Builder@yahoogroups.com
> [mailto:[EMAIL PROTECTED] On Behalf Of
> [EMAIL PROTECTED]
> Sent: Sunday, March 12, 2006 3:10 PM
> To: [EMAIL PROTECTE
Anyone have a surplus of Motorola MRF648 UHF power transistors that they'd
sell or trade?
--- Jeff
--
No virus found in this outgoing message.
Checked by AVG Free Edition.
Version: 7.1.375 / Virus Database: 268.0.0/267 - Release Date: 2/22/2006
Yahoo! Gr
> I would agree the Sinclair Antennas are well built and
> very broadband, but I had a horible time with a number
> of 4 bay vhf broadband units installed (and removed)
> in 2005. We bought a large number of VHF SLR-235
> units new. The part number has changed but the antenna
> is the same c
> Have a question for the list. Is there an antenna (VHF) that
> will cover a 30mhz bandwith? (Reasonably)
>
> There is a system in Georgia incompassing the entire state
> using various tall towers. On the towers will be antennas
> that will be used for VHF Repeaters and VHF digital. (in
> I have enjoyed this thread and hope that no one has taken
> anything to be any kind of personal attack on how anyone runs their
> repeater.
Of course not. No matter how much I or anyone else nit-picks technical
details, it's still supposed to be a fun hobby.
> My point was "is it needed?"
I
> Did you try the V7A with AIP on?
No, I didn't, but I'll do that later today if I get a chance. The other ham
rig in my truck is the other Kenwood dual bander (TM-708? getting old and
don't remember model #'s like I used to). I'm not sure but I think that has
the AIP function too. I never d
I picked up an electronic load on Ebay a number of years ago, and have
gotten more use out of it than I ever thought I would. Here's a well-done
article on building an electronic load. The general design could be easily
expanded to handle higher current by using a beefier transistor and/or
multip
> I still contend that in a mobile environment, under motion, that the
> user will not detect the 6 dB difference. It will be barely
> distinguishable most of the time.
I'm not arguing this point. There have been times when I've had a 75 watt
Micor PA die and I've had to run the output of the l
Title: Message
I'm
almost sure it does, as I've used those connectors before on either Andrew or
Cablewave 7/8" foam. If you have an older Tessco catalog (say, from 3 or 4
years ago), I'm pretty sure they had a chart in there that showed which
connectors work on which cable. Most of the
11, 2006 8:46 PM
> To: Repeater-Builder@yahoogroups.com
> Subject: Re: [Repeater-Builder] UHF Power
>
>
> And that's my whole point.
>
> Chuck
> WB2EDV
>
>
>
> Jeff DePolo WN3A wrote:
>
> >
> >
> >
> >>I'd be interested
ty by others. I'm just
giving you what I came up with. Run your own tests and publish the results
if you don't like my methods (or results :-).
--- Jeff
Jeff DePolo WN3A - [EMAIL PROTECTED]
B
> No. A "typical" UHF ham rig will have better sensitivity than most
> repeaters with a preamp. A commercial mobile (without preamp)
> will have
> sensitivity slightly worse than the repeater with the preamp. 99% of
> hams will be using a ham rig, not a commercial one.
OK, tell you what. It's
>> Here's a thought -- if you put a isolator between the PA and
>> the duplexer,
>> and a isolator between the duplexer and the antenna, wouldn't your
>> duplexer see a near perfect 50 ohms at all times? >
>
> The isolator in the output of the duplexer would have to
> replace the output
> TEE
> > So, if you lack test equipment and have no choice but to use high-
> level
> > signals for tuning the pass, you should still be tuning for minimum
> > reflected power.
>
> So bird inbetween TX and cans, tuning on a source like an HT?
Yes. To take it one step further, a 6 dB pad (with suitabl
> I thought consistent and optimum performance were pretty
> much the same animal?
Only under "lab conditions" :-)
Using a vague definition, I'm thinking consistent = best operation over the
long term, optimum = best short-term. I've accidentally made a 75 watt
Micor UHF PA crank out 200 watts
o have around: a 50 dB
> non-directional coupler.
Bird 4274-025 non-directional coupler element. I keep one in each of my 43
cases. Handy to have.
--- Jeff
Jeff DePolo WN3A - [EMAIL PROTECT
ation
>
>
> Jeff, how's the driver PA harness built and how are the 2 PAs
> outputs combined? Do you have any information or specs on the RF and
> matching harnesses and how they are built?
>
> --- In Repeater-Builder@yahoogroups.com, "Jeff DePolo WN3A"
> If I take all the opinions I've seen in the last month as fact, then
> the pass adjustments on duplexers can't be tuned.
I'll take most of what you said as being sarcastic, but your point is taken.
If tuned with a quality network analyzer, or with a return loss bridge and
high return loss ter
> I am looking at acquiring a GE Master II UHF Base station. This is a 300
watt solid state transmitter, which how I understand it, has 2 PAs running
in parallel.
It's actually 200 watts, and yes, there are two "final" PA's, each capable
of 100 watts output, that are combined. However, each "fina
in
a temperature-stable environment (say, +/- 10 or 15 degrees ambient as a
ballpark), you might be OK. Next time, spend the money and send the element
to ICM and let them do it right.
--- Jeff
--------
Jeff DePol
e that mutes the receiver when
PTT is active. Lookee here:
http://www.repeater-builder.com/rbtip/micorrxintcon.html
--- Jeff
----
Jeff DePolo WN3A - [EMAIL PROTECTED]
Broadcast and Communications Consultant
Nate,
I'd start by doing some "office DF'ing" before spending time on the hill
this time of year. My first guess would be local oscillator leakage from
something on the hill. Try doing an FCC ULS database search for anything
within a mile or so of the site, make a list of the Rx frequencies in
Title: Message
Kitchen dishwashers are also great for cleaning gunked-up mobile radio
accessories like control heads, speakers, mics, mounting brackets, etc.
Remove the speakers, mic elements, PC boards that contain switches, and other
electronics that don't take kindly to water first of c
Anyone have a hybrid out of an 800/900 MHz combiner or the like? Needs to
work at 950 MHz. I don't need an entire combiner, just a hybrid. Thanks.
--- Jeff
Jeff DePolo WN3A - [
A) not enough hoisting grips were used and b) the cable had pulled away from
the tower in a number of places (a mish-mash of butterflies, tie wires, and
even rope were used to attach it). The end result was that the line
stretched, plus there were several holes in the outer conductor where it had
> I actually saw an install where a MSS did just that - they
> had the ground connected to a plastic water pipe!
>
> Joe M.
I've got a better one. A number of years ago we changed out a 1500' run of
4" Heliax that had gone bad on an FM station. Upon taking down the old line
and looking at the d
gt;
>
> Yes, really. You measure the forward power, then turn the
> element around
> and measure the
> reflected power. Then use 10 log (FP/RP) and you have the
> return loss in
> dB.
>
> Dick
>
> - Original Message -
> From: "Jeff DePol
> The Bird Model 43 is a typical RLB.
Oh really???!??!?
The Eagle return loss bridges are a good value for the buck.
www.eagle-1st.com. They have a whitepaper on tuning duplexers too.
http://www.eagle-1st.com/notes/duplex/body.htm
I believe IFR (now Aeroflex) sells (or at least sold) the Eagl
> I'm assuming that if the old RG-8 cables are being replaced
> with RG-214 cables that are the same length, that the
> velocity factors of both types of cable are the same.
Yep, 66%. Unless it's RG-8 foam, but I'm 99% sure that PD used regular
solid dielectric RG-8.
--- Jeff
If the PA microphonic AM'ming is severe enough, there could be enough power
supply modulation, due to the PA current varying by the AM occuring in the
PA, that FM at the same modulation rate can occur in preceding exciter
stages (such as in the crystal oscillator, modulator, active temperature
com
> I have been pulling my hair out (I don't have that much more
> to go) over an
> old Celwave 6 cavity 526-4 pass reject duplexer. I can get
> the notches to
> tune properly one by one but when I put it all back together
> it just does
> not seem to sum out right. Is there a procedure someo
> You can handle the impedance matching by using 1/4 wave
> sections of 75 ohm
> coax between the receiver input and the T. The 1/4 wave 75
> ohm section
> steps the 50 ohm receiver input impedance up to 100 at the
> other end, two
> of those in parallel at the T gets you back to 50 to match
>
> It's called a Wilkinson splitter. Here is a link to some of
> the theory.
I don't think it's fair to call it a Wilkinson without a resistor across the
output ports. A real Wilkinson provides port-to-port isolation due to the
addition of the resistor. A tee and 75 ohm cables doesn't provide
On a somewhat related note, has anyone used LNA Technology's (Chet Pierson
K3TV) preamps? He has some interesting designs. www.lnatechnology.com
--- Jeff
Yahoo! Groups Links
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/Repe
>
> Speaking of UHF preamps, does anyone have any
> experience/recommendations
> for tower mounted preamps?
Al,
My experiences with tower-mounted preamps have been less than perfect. Good
designs will have dual amplifiers (redundant) and/or a bypass relay. Aside
from amplifier damage du
Like others have said, Lunar doesn't exist any more. Angle Linear is the
current company, and Chip Angle makes great products. However, if your ARR
is working, you are likely not to experience any measurable improvement in
performance by switching to something else (assuming the ARR you have is
> Does anyone know which pot in the gm300 adjusts the rx deviation?
> Thanks.
>
> Andy KC2GOW
The one labeled "Volume".
Sorry, couldn't resist.
Seriously, I don't know what you mean. You mean Tx deviation? It's
adjusted in software.
Yahoo! Groups Links
<*> To visit your group on the
I have a set of either WP-639 or WP-641, I forget which is which. 4
cavities, pass/reject. They're in decent shape from what I remember; been
in storage for probably 10 years or more now. I can dig them out if you're
interested and give them a once-over.
I also have a 6-cavity Decibel duplexer
Title: Message
Will
the antenna be top-mounted or side-mounted?
-Original Message-From:
Repeater-Builder@yahoogroups.com [mailto:[EMAIL PROTECTED]
On Behalf Of [EMAIL PROTECTED]Sent: Friday, December
09, 2005 7:17 AMTo:
Repeater-Builder@yahoogroups.comSubject: [Repea
>
> You guys are missing something... no one asked
> him what size cavities he's using. If they are the
> smaller TX/RX units... the reported lower power
> output values are probably normal when using the
> higher insertion loss settings with smaller
> cavities.
>
> cheers,
> skipp
May
then correct that
value by the difference you originally recorded.
--- Jeff
Jeff DePolo WN3A - [EMAIL PROTECTED]
Broadcast and Communications Consultant
Yahoo! Groups Links
<*> To visit your group on the web, go to:
http:/
Sounds like a regular Bud diecast aluminum enclosure would fit the bill.
Try here: http://www.budind.com/view.php?part=n4
Hammond and others make comparable boxes. Available from Mouser, Digikey,
Newark, et al.
--- Jeff
> -Original Message-
> From: Repe
Message-
> From: Repeater-Builder@yahoogroups.com
> [mailto:[EMAIL PROTECTED] On Behalf Of Tony Faiola
> Sent: Thursday, December 01, 2005 10:16 AM
> To: Repeater-Builder@yahoogroups.com
> Subject: Re: [Repeater-Builder] Looking for data on old heliax
>
>
>
>
>
ray, and he needs an
accurate Vf figure to locate a fault by TDR. Anyone have an old
Phelps-Dodge catalog on hand?
--- Jeff
--------
Jeff DePolo WN3A - [EMAIL PROTECTED]
Broadcast and Communications Consu
Yeah, when Mobilecomm (now Arch) decomissioned their 30 and 40 MHz paging
systems here on the east coast, lowband Decibel and Celwave pass cavities
were a dime a dozen (or often free). I scooped up as many as I could store,
probably 50 or so. All but a few are in service on 6m repeaters, most of
I believe the spec is defined in EIA-374 but I don't have a copy of that
document (EIA/TIA documents aren't distributed freely). Maybe somebody else
has a copy.
--- Jeff
> -Original Message-
> From: Repeater-Builder@yahoogroups.com
> [mai
> I keep hearing about this better data from commercial propagation
> software but can't find any reference to it on any of their marketing
> material nor references to how they actually do it -- even
> assuming it's
> proprietary, I don't even see hints about it anywhere.
A lot of the original 3
(having email "issues" today, so if this is a dupe, please ignore)
RE: cell mixes and 440 repeater
I had a 440 repeater at a site with no other UHF transmitters for
probably a mile or two. On an adjacent tower was a cell site (this was
back in the early 90's AMPS days). When certain cell chann
Mmmm...are you sure they're Anderson? The ones I have say "AMP" on them.
Maybe they're interchangable, but I haven't tried it.
--- Jeff
> -Original Message-
> From: Repeater-Builder@yahoogroups.com
> [mailto:[EMAIL PROTECTED] On Behalf O
ging to
be sure.
--- Jeff
----
Jeff DePolo WN3A - [EMAIL PROTECTED]
Broadcast and Communications Consultant
> -Original Message-
> From: Repeater-Builder@yahoogroups.com
> [mailto:[
ocking tab 16 pin, 104422-1-ND (AMP 104422-1)
Contact, A3007-ND(AMP 1-87309-3)
Housing, 5 pin, 455-1186-ND (AMP VHR-5N)
Connector terminal crimp, 455-1319-1-ND (AMP SVH-41T-P1.1)
--- Jeff
--------
--- Jeff
----
Jeff DePolo WN3A - [EMAIL PROTECTED]
Broadcast and Communications Consultant
> -Original Message-
> From: Repeater-Builder@yahoogroups.com
> [mailto:[EMAIL PROTECTED] On Behalf Of
> vintageaudio2004
> Sent: Wednesday, August
s a converted mobile or a
station?
--- Jeff
--------Jeff DePolo WN3A
- [EMAIL PROTECTED]Broadcast and Communications
Consultant
-Original Message-From:
Repeater-Builder@yahoogroups.com [mailto:[EMAI
--- Jeff
--------
Jeff DePolo WN3A - [EMAIL PROTECTED]
Broadcast and Communications Consultant
--
No virus found in this outgoing message.
Checked by AVG Anti-Virus.
Version: 7.0.323 / Virus Database: 267.9.1/51 - Release Date: 7/18/2005
Yahoo! Groups Links
<*> T
There's not a high-stab channel element per se, but Micor PURC (paging)
stations used an external high-stability or ultra-high-stability oscillator
for simulcast operations. These were external rack-mount units. A special
channel element plugs into the exciter that has two pigtails on it - one fo
d synthesized speech generator, will cause you to spill over onto
adjacent channels even if the peak deviation is under 5 kHz.
--- Jeff
--------
Jeff DePolo WN3A - [EMAIL PROTECTED]
Broadcast and Commu
issue yet. The
rubidium/Delta marriage and on-air testing has been more or less just a
proof-of-concept excercise up to this point. When I have more time I'll get
back to the project.
--- Jeff
--------
Jeff DePolo
irrelly with a high-Q filter after them.
--- Jeff
--------
Jeff DePolo WN3A - [EMAIL PROTECTED]
Broadcast and Communications Consultant
--
No virus found in this outgoing message.
Checked by AVG Anti-Virus.
Version: 7.0.322 / Virus Database: 266.11.15 - Release
The shady looking guy is Kevin and the even shadier looking guy is Scott.
Close-up picutres of both of them can be seen hanging in your local post
office.
Cold 807's for Repeater Builder subscribers at spaces 1758-1761 again this
year. See y'all there.
---
to. Taker must
have a strong back.
I will NOT ship any of this stuff, it's pickup only. Email direct.
--------
Jeff DePolo WN3A - [EMAIL PROTECTED]
Broadcast and Communications Consultant
--
No virus found in this outgoing message.
Checked by
Dave has them on his site for all bands -
http://www.ka9fur.net/geduplex/duplex.html
--- Jeff
Jeff DePolo WN3A - [EMAIL PROTECTED]
Broadcast and Communications Consultant
> -Original Mess
I have a few of the dentless variety on 43.something MHz. How would you get
them to you from Philadelphia?
--- Jeff
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: Monday, March 14, 2005 12:48 AM
To: Re
Didn't know about him, thanks for the info Bob. I dropped him an email.
> -Original Message-
> From: Bob Dengler [mailto:[EMAIL PROTECTED]
> Sent: Monday, February 28, 2005 3:41 PM
> To: Repeater-Builder@yahoogroups.com
> Subject: Re IFR 1500 CRT (was RE: [Repeater-Builder] OT- Cushman
ear your UHF Tx
frequencies (it would definately be a problem if it were your Rx frequency).
--- Jeff
--------
Jeff DePolo WN3A - [EMAIL PROTECTED]
Broadcast and Communications Consultant
> -Original M
to
rejuvenate it at some point.
--- Jeff
--------
Jeff DePolo WN3A - [EMAIL PROTECTED]
Broadcast and Communications Consultant
> -Original Message-
> From: Neil McKie [mailto:[EMAIL PROTECTED]
> Sent: Monday, February 28, 2005 9:30 AM
> To: Repe
g at
receiver B (and vice versa on both counts) is highly unlikely given the 25
kHz split and response of pass/reject duplexers at that close of a spacing.
--- Jeff
--------
Jeff DePolo WN3A - [EMAIL PROTECTED]
Broadcast and
> I checked a few sources - BOR ("Bust-Out Retail") real Belden Silver
> Plated RG214 *is* about $5.50 a foot. Others, like Coleman, are
> allot less.
>
> "Standard" (nickle plate) RG214 was in Tessco's Outlet at $0.89 a
> foot.
>
> So if making jumpers, not going hundreds of feet, nickle pl
You guys aren't paying attention.
A transmitter with a 0 ohm output impedance doesn't imply that there is a
short circuit. We're talking about an effective source impedance, not a
termination impedance.
Furthermore, there's a difference between an amplifier being designed to
work *into* a 50 oh
agi on the same mount as
the repeater antenna?
--- Jeff
----
Jeff DePolo WN3A - [EMAIL PROTECTED]
Broadcast and Communications Consultant
> -Original Message-
> From: Chris Peterson [mailto:[EMAIL PROTECTED]
> Se
ase they don't need a
separate ID anyway. Since this isn't the place for interpreting and
debating rules, I'll leave it at that.
--- Jeff
Jeff DePolo WN3A - [EMAIL PROTECTED]
Broadcast and Commun
ly
provides only a minimal increase in usable service area.
--- Jeff
--------
Jeff DePolo WN3A - [EMAIL PROTECTED]
Broadcast and Communications Consultant
Yahoo! Groups Links
<*> To visit your group on th
Huh. You're right, I didn't do the math. That's one problem with using
lossy tees to check effective sensitivity - the sig gen isn't terminated in
50 ohms.
> -Original Message-
> From: nj902 [mailto:[EMAIL PROTECTED]
> Sent: Monday, August 02, 2004 11:28 PM
> To: Repeater-Builder@yahoog
are in, which is typical, but they will usually still do 0.5
uV for 20 dBQ at 440 with the injection brought up.
--- Jeff
Jeff DePolo WN3A - [EMAIL PROTECTED]
Broadcast and Communications Consultant
The standard DB365-OS clamps come with 1/2" galv all-thread.
--- Jeff
Jeff DePolo WN3A - [EMAIL PROTECTED]
Broadcast and Communications Consultant
> -Original Message-
> From: johnmichaelwel
, Tek, etc.. Might be
an easier solution than trying to fit one inside the box.
--- Jeff
----
Jeff DePolo WN3A - [EMAIL PROTECTED]
Broadcast and Communications Consultant
> -Original Message-
> From: Chuk
Anyone have any pieces of 3/8" Superflex (FSJ2-50) to sell or trade? Could
use 100-200' total; several shorter lengths OK.
--
Jeff DePolo WN3A
Broadcast and Communications Consultant
Yahoo! Groups Links
<*> To visit your group on the web, go to:
http://groups
ulated carrier, do you call it PM or preemphasized FM? I would argue
the latter since you could have response that includes DC.
--- Jeff
Jeff DePolo WN3A - [EMAIL PROTECTED]
Broadcast and Communications Consultant
ound -100
dBV (10 microvolts) at an SPL of 50. It's not a ridiculously-low audio
level to deal with in the AF domain...
One more time for the folks in the cheap seats - THERE IS NO THEORETICAL LF
LIMIT FOR PHASE MODULATION!
--- Jeff
--
ented with a known-good load,
then you've got a problem that needs to be fixed IN THE PA. Using a
Z-matcher, or the crude equivalent of feedline pruning, to help tame an
unstable PA isn't a fix, it's a band-aid that will eventually come off...
> To: Repeater-Builder@yahoogroups.com
> Subject: Re: [Repeater-Builder] Z-Matcher Component Values
>
>
> Would that mean to tune for the highest power level out at the lowest
> current draw?
>
> Chuck
> WB2EDV
>
>
>
> ----- Original Message -
> Fr
Tune for best PA efficiency, not maximum output.
--- Jeff
-
Jeff DePolo WN3A
Broadcast and Communications Consultant
> -Original Message-
> From: Tony King - W4ZT [mailto:[EMAIL PROTECTED]
> Sent: Monday, January 26, 2004 9:4
Title: Message
Decibel quit making the
ham-band DB420 (S-420-440-450) as of Jan 1 this year. From what I was
told, the harnesses for that antenna and other low-volume custom jobs were
hand-made in Mexico. Either that plant was closing, or the contract house
in Mexico that was making them
give you the details.
--- Jeff
-----
Jeff DePolo WN3A
Broadcast and Communications Consultant
> -Original Message-
> From: Larry Williams [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, January 14, 2004 11:32 AM
> To: Repeater-Builder@yahoogroups.com
> Subject: [Repe
ut 6% or whatever the harness will allow).
--- Jeff
--------
Jeff DePolo WN3A - [EMAIL PROTECTED]
Broadcast and Communications Consultant
> -Original Message-
> From: Derek B. McIntyre [mailto:[EMAIL PROTECTED]
> Sent: Monday
Interface how? What are you interfacing them to?
> -Original Message-
> From: deputykr [mailto:[EMAIL PROTECTED]
> Sent: Thursday, January 08, 2004 12:57 AM
> To: Repeater-Builder@yahoogroups.com
> Subject: [Repeater-Builder] interfacing micor trunk mounts
>
>
> is it possible to inter
Both Butternut and Hy-Gain made "j-pole" arrays for VHF and UHF. It's hard
to tell from the picture - does it appear to be ham-grade construction or
something more significant?
> -Original Message-
> From: Mike Perryman [mailto:[EMAIL PROTECTED]
> Sent: Thursday, January 08, 2004 12:44 P
e in length, therefore it is a capacitor. The dielectric is slid in
and out to vary the dielectric constant between the center and shield, i.e.
it is a dielectric-tuned variable capacitor.
--- Jeff
-
Jeff DePolo WN3A
Broadcast
one at a time to the
customer's frequency.
--- Jeff
Jeff DePolo WN3A - [EMAIL PROTECTED]
Broadcast and Communications Consultant
Yahoo! Groups Links
To visit your group on the web, go to:
http://groups.ya
$12 each which is kind of
steep. I could use a few or a few dozen depending on the price.
Come to think of it, I could use a few for LDF4-75A too if anyone has any.
Thanks.
--- Jeff
----
Jeff DePolo WN3A - [E
--- Jeff
Jeff DePolo WN3A - [EMAIL PROTECTED]
Broadcast and Communications Consultant
Yahoo! Groups Links
To visit your group on the web, go to:
http://groups.yahoo.com/group/Repeater-Bui
rage? I've heard voice
paging on Micor PURC simulcast systems and always though it sounded
horrible...
--- Jeff
-
Jeff DePolo WN3A
Broadcast and Communications Consultant
Yahoo! Groups Links
To visit your group on the we
r use; once you
understand the idiosyncracies between the PURC and the standard Micor RT,
it's no big deal, but without the book, you'll spend a lot of time chasing
down traces on the backplane...
--- Jeff
-
Jeff DePolo WN3A
rgue that a repeater that is keyed up and transmitting white
noise is operating improperly, in which case it should be shut down based on
other rule sections, but that's a separate issue...
--- Jeff
-
Jeff DePolo WN3
e of watts.
--- Jeff
-
Jeff DePolo WN3A
Broadcast and Communications Consultant
> -Original Message-
> From: Jim [mailto:[EMAIL PROTECTED]
> Sent: Friday, December 05, 2003 9:41 AM
> To: Repeater-Builder@yahoogroups.com
> Subject: Re: [Repeater-Bu
> > I'm not knocking Spectrum - I'm just relating experience. I
> have yet
> > to see one that stayed clean over the long haul. Any that
> aren't clean
> > surely can't meet the type acceptance they once had.
>
> Well said, very well said.
Humor:
"I have a Spectrum repeater on the air."
"Oh real
Title: Message
Talk
to Rick at Amtronix (www.amtronix.com). He'll tell you what
it will take to fix it, and what it really will cost without replacing the
entire module. Usually it's just a blown mixer...
--- Jeff
1 - 100 of 107 matches
Mail list logo
