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Search found 140 matches

by adlertom
Tue Aug 01, 2017 6:14 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Celwave PF9208A RX preamplifier
Replies: 3
Views: 953

Re: Celwave PF9208A RX preamplifier

Thanks. I knew that they no longer existed as Celwave. Perhaps someone on here will have an old brochure or paper documentation lying around (or a good memory).

I mostly want to know what the rated dB gain is.
by adlertom
Tue Aug 01, 2017 4:26 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Celwave PF9208A RX preamplifier
Replies: 3
Views: 953

Celwave PF9208A RX preamplifier

Looking for dB gain and other info on this preamp. I can't find any data online about it.

Image

Image
by adlertom
Sat Mar 18, 2017 5:46 pm
Forum: APX Series Subscribers
Topic: APX adaptive noise suppression / audio engine - user experiences
Replies: 2
Views: 1309

APX adaptive noise suppression / audio engine - user experiences

I'm looking for user experiences with/opinions about the APX "Adaptive Audio Engine" a.k.a Adaptive Noise Suppression. This is a flashport option (QA09006) on the APX and I'd like to determine if it's a worthwhile feature. From Motorola literature: ADAPTIVE AUDIO ENGINE Adaptive Dual-sided...
by adlertom
Sun Dec 04, 2016 7:27 pm
Forum: ASTRO25 Series (XTS/XTL 1500/2500/5000) Subscribers
Topic: TPS signalling on an XTS2500
Replies: 1
Views: 1088

TPS signalling on an XTS2500

I've read through the many posts pertaining to TPS (Tactical Public Safety) and am trying to enable it on a XTS2500. I've followed the advice posted here, and the guidance contained within the CPS help files, specifically: Personality settings: Mixed Mode RX Astro TX T/G Disabled Signaling Disabled ...
by adlertom
Mon Feb 01, 2016 5:34 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Raytheon JPS Communications Ceases Operations
Replies: 1
Views: 568

Raytheon JPS Communications Ceases Operations

Sad news, and with no warning:

http://www.mccmag.com/Features/FeaturesDetails/FID/638

Curious to know what you guys would recommend for analog voting in the future JPS-less world.
by adlertom
Sun Dec 13, 2015 10:38 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: crystal filter and preselector insertion losses
Replies: 4
Views: 860

Re: crystal filter and preselector insertion losses

Thank you Bill. I suspected that the preselector would be pretty low loss.

Tom
by adlertom
Sat Dec 12, 2015 8:12 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: crystal filter and preselector insertion losses
Replies: 4
Views: 860

crystal filter and preselector insertion losses

I'm considering adding a Mtron 4 pole crystal filter to a VHF AstroTac receiver, in order to mitigate some interference from a transmitter that is a few miles away, and only 97.5 KHz up from my receive frequency. The crystal filter has a published insertion loss of 7dB (although the Mtron engineers ...
by adlertom
Mon Jan 26, 2015 9:37 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Quantro operating voltage question
Replies: 7
Views: 763

Re: Quantro operating voltage question

@Astro Spectra and others, thanks for all the good info.

This Quantro does have the IPA installed, so it looks like I'll be able to use a simple Astron-type 13.8VDC supply to power it. This will free up the large/heavy MSF power supply for other things.

Tom
by adlertom
Sun Jan 25, 2015 7:36 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Quantro operating voltage question
Replies: 7
Views: 763

Re: Quantro operating voltage question

And also because those same signals and cable are used on the MSF5000 power supply. Each 14V supply probably has its own fuse. On the MSF5000 one fed the RF Tray and the other was used for auxiliary purposes. Bob M. That's true. I did notice two separate fuses on the supply for these leads. It also...
by adlertom
Sat Jan 24, 2015 10:21 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Quantro operating voltage question
Replies: 7
Views: 763

Re: Quantro operating voltage question

Model number is T5365A Here is a photo of the Quantro backplane, and a close up of the power connector Q/J33 in question. According to the manual, J33 pins 1 and 2 are both +14VDC. Pins 3 and 4 are both GND. Pin 5 is OVER VOLTAGE, pin 6 is AC FAIL, and pins 7-9 are open. The cable has 7 total conduc...
by adlertom
Fri Jan 23, 2015 5:47 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Quantro operating voltage question
Replies: 7
Views: 763

Quantro operating voltage question

Playing with a Quantro for the first time, and have a operating voltage question. The Quantro gets power from one of the MSF5000 PA power supplies mounted above. A seven-conductor cable runs from the power supply to connector J33 on the back plane of the Quantro. The Quantro itself has no internal p...
by adlertom
Wed Aug 06, 2014 5:51 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: AstroTac receiver priority scan
Replies: 0
Views: 486

AstroTac receiver priority scan

I'm setting up an AstroTac receiver for an agency that is migrating from its current repeater input frequency to a new input frequency. During a transition period, they would like both inputs to work i.e. some field units would be programmed to talk in on frequency X and others on frequency Y. Both ...
by adlertom
Tue Jul 29, 2014 3:21 pm
Forum: Radio Programming
Topic: APX migration assistant question
Replies: 2
Views: 752

Re: APX migration assistant question

UPDATE: Motorola investigated and determined that some special characters (“>” and “<”) I had used in a particular channel name were the problem. After removing the “>” and “<” from the offending channel name in the XTS codeplug, and then migrating, the import into the APX codeplug was allowed. It a...
by adlertom
Sat Jul 19, 2014 4:06 pm
Forum: Radio Programming
Topic: APX migration assistant question
Replies: 2
Views: 752

Re: APX migration assistant question

Works OK with some codeplugs but not others. Case opened with Motorola.
by adlertom
Wed Jul 16, 2014 5:41 am
Forum: Radio Programming
Topic: APX migration assistant question
Replies: 2
Views: 752

APX migration assistant question

I'm trying to migrate an XTS2500 codeplug to an APX using the Migration Assistant. When I attempt the conversion, the assistant gives me an error that the input file is "not the selected type!" I've selected the type as "portable", which it is. I've tried it several times to be s...
by adlertom
Mon Jan 06, 2014 6:31 am
Forum: Radio Programming
Topic: XTS/XTL listen only talkgroup feature
Replies: 4
Views: 930

Re: XTS/XTL listen only talkgroup feature

My question has been answered. It's located on the personality/general tab, and is called transmit mode. Trunking personality TX disable looks different in CPS than conventional personality TX disable (which uses a checkbox). I saw that field, but didn't look close enough!
by adlertom
Sun Jan 05, 2014 1:06 pm
Forum: Radio Programming
Topic: XTS/XTL listen only talkgroup feature
Replies: 4
Views: 930

Re: XTS/XTL listen only talkgroup feature

Yes, I'm fine with the radio affiliating. This is a legitimate/authorized radio on the system. I just want to inhibit transmit on certain talkgroups.
by adlertom
Sun Jan 05, 2014 11:29 am
Forum: Radio Programming
Topic: XTS/XTL listen only talkgroup feature
Replies: 4
Views: 930

XTS/XTL listen only talkgroup feature

The release notes for Astro 25 version 19.50.00 firmware discuss a new "listen only" trunking talkgroup feature. I am interested in making use of this feature. I upgraded the firmware in an XTS2500 portable to the latest version 20.00.01, and am using the latest version 20.00.00 CPS. Howev...
by adlertom
Fri Dec 20, 2013 4:36 pm
Forum: Radio Programming
Topic: "Validate NAC against system ID" APX option
Replies: 3
Views: 1001

Re: "Validate NAC against system ID" APX option

MikeOxlong wrote:You need to check "Intra-WACN Roaming"

Check this post out:

https://www.p25.ca/threads/3211-Motorol ... #post23408



Thank you. That solved the issue.

Tom
by adlertom
Fri Oct 18, 2013 11:51 am
Forum: Radio Programming
Topic: "Validate NAC against system ID" APX option
Replies: 3
Views: 1001

"Validate NAC against system ID" APX option

I am attempting to get an XTS5000 portable radio to work on a Harris P25 trunking system. This is a legitimate attempt with authorization, valid ID, a system key, etc. I can't get the XTS to even attempt to affiliate. It just sits there. Another programmer has been able to get an APX6000 to affiliat...
by adlertom
Sat Aug 03, 2013 5:20 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Need help identifying interference tones
Replies: 13
Views: 890

Re: Need help identifying interference tones

Chris, Yes, I actually had already communicated with Gary (we know each other) and he initially identified it as Compulert as well. I contacted American Signal and they don't have any systems in our area. However, according to Gary, it could still SOUND like Compulert without actually BEING Compuler...
by adlertom
Sat Aug 03, 2013 6:36 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Need help identifying interference tones
Replies: 13
Views: 890

Re: Need help identifying interference tones

Thanks Chris. How confident are you that it is a specifically an INTRAC brand modem? An identifiable pattern has emerged with the interference. It more often than not occurs on a Tuesday morning at 2:00 AM. Whatever system this is probably does a self check of all sites at that day/hour. So, at leas...
by adlertom
Thu Jul 11, 2013 7:23 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Need help identifying interference tones
Replies: 13
Views: 890

Re: Need help identifying interference tones

Thanks for the advice so far. It is only coming in on one RX site, and that site is connected via Telco wireline to the voter. None of the other 3 RX sites are picking it up. Today the phone company changed that site to a different wire pair, so we'll see if that helps. It would be great if that fix...
by adlertom
Tue Jul 09, 2013 8:13 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Need help identifying interference tones
Replies: 13
Views: 890

Need help identifying interference tones

Below is a link to a wav file of some tones that have been intermittently received on a police repeater system that I do some maintenance on: http://personalpages.tds.net/~adlertom/tones.wav The system is a 4-site voted analog conventional VHF repeater. The tones are being picked up by one of the re...
by adlertom
Fri Jan 04, 2013 8:26 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: how can I tell if a Quantar has the battery revert option?
Replies: 6
Views: 535

Re: how can I tell if a Quantar has the battery revert optio

Thanks. So this is a photo of a quantar WITHOUT the revert option i.e. there would be a DC input connector here?
by adlertom
Thu Jan 03, 2013 7:19 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: how can I tell if a Quantar has the battery revert option?
Replies: 6
Views: 535

how can I tell if a Quantar has the battery revert option?

Like the subject line says....

The codeplug for the station allows battery type to be selected, but I realize that might not be definitive. Is there perhaps a way to tell by looking at the station?
by adlertom
Fri Oct 19, 2012 3:20 pm
Forum: Radio Programming
Topic: APX7500 consolette TRC programming
Replies: 3
Views: 705

Re: APX7500 consolette TRC programming

xmo wrote:"
It's not in the CPS, its in the programming of the consolette controller card.


Thanks, just found it in the manual.

I initially did a search of the PDF manual for "wireline" and "TRC", but those keywords didn't catch the relevant section.
by adlertom
Fri Oct 19, 2012 10:47 am
Forum: Radio Programming
Topic: APX7500 consolette TRC programming
Replies: 3
Views: 705

APX7500 consolette TRC programming

Hi, I'm trying to set up an APX7500 consolette for tone remote control (via a dispatch console) of 16 channels. In the CPS, I can't find the table to assign various EIA function tones to channels. CPS help wasn't helpful. In Radio Ergonomics Wide:Advanced, I did find a "consolette enable" ...
by adlertom
Tue Jun 12, 2012 1:45 pm
Forum: Legacy Batboard Motorola ASTRO (VSELP/IMBE/AMBE) Equipment Forum
Topic: advice on putting an XTS2500 M3 front on a M2
Replies: 1
Views: 300

advice on putting an XTS2500 M3 front on a M2

Hi, I have an XTS2500 model II with a cracked plastic front cover. I'd like to repair the radio by installing a model III front cover that I happen to have laying around. I understand/expect that the radio wouldn't actually magically become a model III, and features that depend on a keypad like radi...
by adlertom
Mon Jun 11, 2012 10:02 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: putting a XTS2500 M3 cover on a M2
Replies: 0
Views: 563

putting a XTS2500 M3 cover on a M2

Hi, I have an XTS2500 model II with a broken front cover. I'd like to repair the radio by installing a model III front cover that I happen to have laying around. I understand/expect that the radio wouldn't actually be a model III, and features that depend on a keypad like radio lock, unlimited call ...
by adlertom
Sun Oct 30, 2011 10:37 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: activating antenna relay with XTL5000 consolette
Replies: 1
Views: 293

Re: activating antenna relay with XTL5000 consolette

These are the pinouts for connector 2 and 3. Can anyone advise something that would work for activating an antenna relay? I assume pin 10 on connector 2 is for keying the consolette, and would not change state in response to being keyed? The consolette has the TRC option, and I'm already using a ton...
by adlertom
Sat Oct 29, 2011 6:16 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: activating antenna relay with XTL5000 consolette
Replies: 1
Views: 293

activating antenna relay with XTL5000 consolette

I'm looking to activate an external antenna relay whenever an XTL5000 consolette is transmitting. I've perused the pinouts of rear connector 2 and connector 3 and don't see anything obvious that I can use. Can anyone advise if there's a way to do this? Thanks.
by adlertom
Sat Oct 15, 2011 1:27 pm
Forum: Legacy Batboard Motorola ASTRO (VSELP/IMBE/AMBE) Equipment Forum
Topic: Any agencies phasing out XTS, and going to the APX ?
Replies: 31
Views: 2343

Re: Any agencies phasing out XTS, and going to the APX ?

Is the microphone connector for the APX the same style as the XTS? I would be curious to know if this mic would work on an XTS even though it's not marketed as such. What I like the most is the protected PTT button. Our FD has lots of problems with accidentally bumping the PTT button on the regular ...
by adlertom
Fri Jul 01, 2011 9:35 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Controlling multiple base stations over telco dry pairs
Replies: 25
Views: 1094

Re: Controlling multiple base stations over telco dry pairs

With the right parts, you could use two of the pairs to create a third "phantom circuit". That's pretty freaking cool. The AML is also intriguing. I couldn't find any such equipment currently being marketed in our modern digital world however. Thanks guys! I'll let you know what I end up ...
by adlertom
Wed Jun 29, 2011 1:06 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Controlling multiple base stations over telco dry pairs
Replies: 25
Views: 1094

Re: Controlling multiple base stations over telco dry pairs

If they're truly 'dry pairs' as you state, would they be balanced? Wouldn't that mean they are running through ancillary telco equipment, which you didn't seem to think they were? They are truly dry pairs. I think they would still be balanced - balancing would not require them to run through any an...
by adlertom
Tue Jun 28, 2011 11:21 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Controlling multiple base stations over telco dry pairs
Replies: 25
Views: 1094

Re: Controlling multiple base stations over telco dry pairs

Good point. I hadn't considered that the new scheme would be unbalanced.
by adlertom
Mon Jun 27, 2011 10:21 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Controlling multiple base stations over telco dry pairs
Replies: 25
Views: 1094

Re: Controlling multiple base stations over telco dry pairs

Here's another idea. Would this work? Instead of the current use of two wires for each circuit: --------> L1 + --------> L1 - --------> L2 + --------> L2 - --------> L3 + --------> L3 - Use one wire for common - and the other wires for +: --------> common - --------> L1 + --------> L2 + --------> L3...
by adlertom
Mon Jun 27, 2011 7:36 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Controlling multiple base stations over telco dry pairs
Replies: 25
Views: 1094

Re: Controlling multiple base stations over telco dry pairs

All of these devices appear to be designed to transport audio over a WAN, which I don't have available to me between the two sites. All I have are 6 copper wires (3 dry pairs) to work with. I was hoping there would be some product available that could frequency division multiplex an analog line. Som...
by adlertom
Sun Jun 26, 2011 2:54 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Controlling multiple base stations over telco dry pairs
Replies: 25
Views: 1094

Re: Controlling multiple base stations over telco dry pairs

Bill,

Would DSL play nice with analog tone control? I don't want the keying tones to get (to borrow your word from last year's discussion) "farbled".

Tom
by adlertom
Sun Jun 26, 2011 1:41 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Controlling multiple base stations over telco dry pairs
Replies: 25
Views: 1094

Controlling multiple base stations over telco dry pairs

I have three base stations at a remote location, tone controlled via three leased telephone company "dry pairs". Some of you may recall a post I made last year when I was first setting this up: http://batboard.batlabs.com/viewtopic.php?f=10&t=88966#p394875 At that time, I decided to go...
by adlertom
Thu Mar 03, 2011 6:33 pm
Forum: Vehicle Radio Installs
Topic: Astro Spectra Plus ignition sense wiring question
Replies: 0
Views: 960

Astro Spectra Plus ignition sense wiring question

I have an Astro Spectra Plus with two (green and orange) control head wires. On older Motorola radios, one wire was for ignition sense and the other was for TX enable. On XTL series radios, one wire is for ignition sense and the other is supposed to connect to a constant 12V source. This was also th...
by adlertom
Mon Dec 06, 2010 5:15 pm
Forum: Vehicle Radio Installs
Topic: xtl2500 M5 head remote mount fuse values
Replies: 2
Views: 1007

Re: xtl2500 M5 head remote mount fuse values

JeffFireRadio wrote:I have a new cable set for the XTL head sitting here still in the M bag...the red wire fuse holder has a 5 amp blade and the yellow wire fuse holder has a 3 amp blade. -Jeff


Thanks, that's what I needed to know!
by adlertom
Mon Dec 06, 2010 4:50 pm
Forum: Vehicle Radio Installs
Topic: xtl2500 M5 head remote mount fuse values
Replies: 2
Views: 1007

xtl2500 M5 head remote mount fuse values

I'm looking for the fuse values for both the red power and yellow ignition sense wires for a remote mount M5 head XTL2500.

The installation manual says to use either a 3 or 4 amp for the ignition sense wire, but doesn't say what to use for the power wire.

Thanks,

Tom
by adlertom
Tue Oct 26, 2010 6:22 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: need photo of a tower with anti climb panels installed
Replies: 2
Views: 215

need photo of a tower with anti climb panels installed

There aren't any near my location that I can photograph myself. We're considering using these on one of our towers, and I need an exemplar photo for a presentation.

Thanks in advance for any help.

Tom
by adlertom
Sun Aug 01, 2010 7:33 am
Forum: Radio Programming
Topic: Radius CM200 PL RX after 2 tone decode
Replies: 2
Views: 333

Re: Radius CM200 PL RX after 2 tone decode

Thanks Bill. I've also heard about the PL stripping with 2 tone. The receiver already has a directional antenna on it.

Hopefully someone here with CM200 experience will know for certain if PL can be used along with QCII

Tom
by adlertom
Sat Jul 31, 2010 9:57 am
Forum: Radio Programming
Topic: Radius CM200 PL RX after 2 tone decode
Replies: 2
Views: 333

Radius CM200 PL RX after 2 tone decode

Can a Radius CM200 be programmed to decode a 2 tone paging sequence AND also receive a PL during the voice transmission after the paging sequence? I'm being told that if the CM200 is programmed for call alert/muted receive (until a proper 2 tone sequence is decoded), that it cannot be programmed wit...
by adlertom
Sun Jun 06, 2010 9:27 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Would this work? - analog input / P25 output radio system
Replies: 8
Views: 573

Re: Would this work? - analog input / P25 output radio system

adlertom - Have you considered a prop study of the system to see if it needs, and where it needs, enhanced coverage? We have gotten tremendous reports back from customers using Mototrbo. People have grown used to "digital audio" because of cellphones. Their expectations are suitably train...

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