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Search found 3044 matches

by Bill_G
Wed May 02, 2018 10:08 am
Forum: ASTRO Series (Astro Saber, Spectra, XTS3000/3500) Subscribers
Topic: Off the Fly Adjustment
Replies: 13
Views: 724

Re: Off the Fly Adjustment

escomm wrote:disagree, on narrow modulations frequency accuracy is substantially more important than wideband, especially when data is involved


But only at the margins of performance.
by Bill_G
Sun Apr 29, 2018 7:34 am
Forum: ASTRO Series (Astro Saber, Spectra, XTS3000/3500) Subscribers
Topic: Off the Fly Adjustment
Replies: 13
Views: 724

Re: Off the Fly Adjustment

Incidently that is only about 80Hz away from right on frequency and it usually does not get much better.. Your decimal point is off, it's 800Hz. And even at 800hz, Memo's radio should still be working. He needs to explain the problem he's having that he thinks is related to being slightly off freq.
by Bill_G
Fri Apr 13, 2018 4:32 am
Forum: MotoTRBO Repeaters, Trunking, and Site Infrastructure
Topic: SLR5700 cap plus
Replies: 14
Views: 761

Re: SLR5700 cap plus

Was there a period of time when the new antennas and line were in place, but you had not migrated them to CPlus yet, that it all worked the way it was supposed to?
by Bill_G
Thu Apr 12, 2018 5:14 am
Forum: MotoTRBO Repeaters, Trunking, and Site Infrastructure
Topic: SLR5700 cap plus
Replies: 14
Views: 761

Re: SLR5700 cap plus

Haven't we talked about this system before? So, you changed the LMR400 for half inch heliax. Did you reuse the same antennas? Did you sweep the new cables, and did you get greater than 20db return loss? Any other changes to the system like new splitters, and relocate / re-aim the antennas? I'll ask ...
by Bill_G
Sun Apr 08, 2018 7:52 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Vertex VXR-7000 Motorola Repeater Stray RF
Replies: 10
Views: 824

Re: Vertex VXR-7000 Motorola Repeater Stray RF

Agreed. It's a "birdie" of some kind occurring at the IF level. You won't see it at the carrier freq on a service monitor. It will be at a lower freq. Almost every piece of electronic equipment built emits a birdie, though not necessarily where you think it should be. Case and Point - a lo...
by Bill_G
Thu Mar 15, 2018 5:01 am
Forum: MotoTRBO Repeaters, Trunking, and Site Infrastructure
Topic: mtr2000 upgrade to mtr3000
Replies: 3
Views: 514

Re: mtr2000 upgrade to mtr3000

+1 on not recommending the upgrade. The MTR2K is a fine machine, and you won't gain any benefit from upgrading. If you want to go digital, then buy a new radio, or wait for the MTR3K's to come on the market as they age out. So far, they are turning out to be good radios too.
by Bill_G
Wed Feb 28, 2018 1:14 pm
Forum: MotoTRBO Portables and Mobiles (3xxx/5xxx/7xxx/SL) 2.0 Series Subscribers
Topic: load audio
Replies: 5
Views: 929

Re: load audio

Did you just program them with 15.5 Trbo CPS? There's a known bug in the latest version that causes super loud volume. Read the radio, open general settings, and then go to minimum volume. Toggle it up and down from mute to something and then back to mute. Then blow it back in. Should fix the problem.
by Bill_G
Fri Feb 16, 2018 1:29 pm
Forum: MotoTRBO Repeaters, Trunking, and Site Infrastructure
Topic: SLR5700 Tone Remote adapter for MC1000
Replies: 1
Views: 250

Re: SLR5700 Tone Remote adapter for MC1000

If they are operating analog, then he has a prayer of getting a remote of some kind to interface with the SLR series. But, if they are going to operate in digital, then the accessory port becomes unusable, and no remotes work. PS - any remote adapter will work. You just have to figure out the wiring...
by Bill_G
Mon Jan 29, 2018 6:07 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Quantar Audio Problem
Replies: 7
Views: 1124

Re: Quantar Audio Problem

Sounds correct. It's possible your wireline card is bad then. You can try using the WB (wideband) input.
by Bill_G
Sun Jan 28, 2018 6:50 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Quantar Audio Problem
Replies: 7
Views: 1124

Re: Quantar Audio Problem

I'm running into the same issue except i'm only using the internal controllers on repeat. sounds fine in the alignment screen. i'm running back to back between 2 quantars for simulcast over a E&M circuit. when a radio keys up the repeater keys and just hear dead air on the other repeater. Wirel...
by Bill_G
Fri Jan 26, 2018 5:12 am
Forum: MotoTRBO Repeaters, Trunking, and Site Infrastructure
Topic: cap plus single site
Replies: 3
Views: 411

Re: cap plus single site

An Anritsu or equivalent would tell you if it's an antenna problem. Could be cochannel interference. Listen to the channel in analog while another radio reports out of range.
by Bill_G
Sun Jan 21, 2018 4:36 am
Forum: MotoTRBO Repeaters, Trunking, and Site Infrastructure
Topic: Trbo rptr receive threashold chatter
Replies: 5
Views: 602

Re: Trbo rptr receive threashold chatter

It's a five site VHF IPSC with two of the sites nearly deaf from local desense on the order of 20db or more. Just curious, is it colo'd with AT&T? I tried to run a 2 meter repeater on an AT&T colo site once and the noise floor was so bad I eventually had to take it down. I think there was a...
by Bill_G
Mon Jan 15, 2018 8:16 am
Forum: MotoTRBO Repeaters, Trunking, and Site Infrastructure
Topic: Trbo rptr receive threashold chatter
Replies: 5
Views: 602

Re: Trbo rptr receive threashold chatter

Thanks FB. Unfortunately, they cannot escape the noise causing the chatter because it's across the band. It's a five site VHF IPSC with two of the sites nearly deaf from local desense on the order of 20db or more. I raised the programmed threashold to -80, or something redunkulas, forcing the statio...
by Bill_G
Fri Jan 12, 2018 4:47 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Spectra 146-174 110w capacitors
Replies: 21
Views: 2063

Re: Spectra 146-174 110w capacitors

... and getting the cage off is a joy!
by Bill_G
Wed Jan 10, 2018 4:37 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Spectra 146-174 110w capacitors
Replies: 21
Views: 2063

Re: Spectra 146-174 110w capacitors

You're welcome. Sometimes those caps eat the landings and traces, and then migrate through the feedthroughs to the other side of the board slowly eating that side. All kinds of happiness occurs, and the guy doing the work has to inspect with a magnifying glass to find it all. Scrub scrub scrub with ...
by Bill_G
Wed Jan 10, 2018 5:47 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Spectra 146-174 110w capacitors
Replies: 21
Views: 2063

Re: Spectra 146-174 110w capacitors

Good point Bob. That same pot area seems to attract the corrosive leakage from the caps. The feedthroughs and resistors are often damaged there. I'm also betting there are damaged feedthroughs and landings on the command board causing the audio problems. The cap rework needs to be thorough.
by Bill_G
Mon Jan 01, 2018 7:26 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Anyone Using Ritron Liberty Repeaters ?
Replies: 10
Views: 1331

Re: Anyone Using Ritron Liberty Repeaters ?

Ritron makes reasonable quality products at a low price point. I have worked with a lot of their other products, but not the Liberty repeater. I would go in expecting a no frills, limited duty cycle radio, and low current drain.
by Bill_G
Mon Jan 01, 2018 7:09 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Spectra 146-174 110w capacitors
Replies: 21
Views: 2063

Re: Spectra 146-174 110w capacitors

http://www.repeater-builder.com/motorola/spectra/spectra-caps.html

Here's a whole article about recapping Spectras, what to look for, what to buy, and how to do it.
by Bill_G
Fri Dec 29, 2017 5:10 am
Forum: ASTRO25 Series (XTS/XTL 1500/2500/5000) Subscribers
Topic: First Digital radio question ?
Replies: 4
Views: 584

Re: First Digital radio question ?

I just bought a scanner that does v.kitchensink protocols.... Shiowing your age Bill, these days it would be #kitchensink ... blurp errr bleep shhhhhh For those too young to remember or for a nostalgia hit visit: https://www.dialupsound.com/ With the sound on :) (chuckle) I stand corrected. Thanks!...
by Bill_G
Thu Dec 28, 2017 8:11 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: MDC Call Decoding
Replies: 6
Views: 902

Re: MDC Call Decoding

Yes, there are MDC1200 decoder apps for SDR's. A quick Google search for "decode MDC1200" will yield tons of hits.
by Bill_G
Sun Dec 24, 2017 11:29 am
Forum: ASTRO25 Series (XTS/XTL 1500/2500/5000) Subscribers
Topic: First Digital radio question ?
Replies: 4
Views: 584

Re: First Digital radio question ?

I just bought a scanner that does v.kitchensink protocols. No screwing around.
by Bill_G
Mon Dec 18, 2017 9:33 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: AMTS 217 band reallocation issues
Replies: 11
Views: 713

Re: AMTS 217 band reallocation issues

You can check the ULS to see if those freqs are still active.
by Bill_G
Mon Dec 18, 2017 9:22 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: AMTS 217 band reallocation issues
Replies: 11
Views: 713

Re: AMTS 217 band reallocation issues

New Jersey Transit has the 218.0-218.5mhz block A license WQZH741. No one has the 217 blocks yet. Just a handful of freq specific users.
by Bill_G
Mon Dec 18, 2017 4:29 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: MTR2000 CLN1203 TTN5067 4W board Hi-Z mod?
Replies: 1
Views: 395

Re: MTR2000 CLN1203 TTN5067 4W board Hi-Z mod?

The 600 ohm lo-Z line card should be able to drive a hi-z input. What kind of problem are you having?
by Bill_G
Mon Dec 18, 2017 4:19 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: AMTS 217 band reallocation issues
Replies: 11
Views: 713

Re: AMTS 217 band reallocation issues

Yes, there is alternative product from the same manufacturers that utilize wifi, 900, or deeper into 216 away from 217.
by Bill_G
Sat Dec 16, 2017 9:00 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: AMTS 217 band reallocation issues
Replies: 11
Views: 713

Re: AMTS 217 band reallocation issues

I'm not going to get very specific because I think this is the cusp of a bigger problem, and big players are involved. There are a number of patient monitoring systems that utilize the low power unlicensed portion of the 220 band from 216-217Mhz. These things transmit periodic data bursts at around ...
by Bill_G
Sat Dec 16, 2017 8:21 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: MTR2000 Audio
Replies: 4
Views: 470

Re: MTR2000 Audio

No. Wrong direction. If it's distorted at -10, then it will be worse at 0. Perform the MTR alignment procedure for the wireline and deviation. It's built into the RSS.
by Bill_G
Fri Dec 15, 2017 6:20 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: AMTS 217 band reallocation issues
Replies: 11
Views: 713

AMTS 217 band reallocation issues

Anyone else having issues with new AMTS 217Mhz block B auction winners interfering with unlicensed patient monitoring products in healthcare facilities?
by Bill_G
Wed Dec 13, 2017 8:25 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: MTR2000 Audio
Replies: 4
Views: 470

Re: MTR2000 Audio

Have you done the transmit audio calibration procedure, checked line levels, etc? MTR's are quite musical when adjusted correctly.
by Bill_G
Wed Dec 13, 2017 3:11 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Vehicle Repeater 2 Radios
Replies: 15
Views: 1648

Re: Vehicle Repeater 2 Radios

Open up the harness to the radio that can't be heard, and add a spkr.
by Bill_G
Tue Dec 12, 2017 4:01 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Vehicle Repeater 2 Radios
Replies: 15
Views: 1648

Re: Vehicle Repeater 2 Radios

Why would you want that? That should be an invalid state. The first to receive causes the other to transmit. ie: not receive. So, there would not be a second receive to get simultaneously. It's not present.
by Bill_G
Sun Dec 10, 2017 4:01 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Looking for a TOUGH radio
Replies: 15
Views: 1673

Re: Looking for a TOUGH radio

So, what kind of radios has this special needs student broken in the past?
by Bill_G
Thu Dec 07, 2017 4:41 am
Forum: MotoTRBO Repeaters, Trunking, and Site Infrastructure
Topic: Trbo rptr receive threashold chatter
Replies: 5
Views: 602

Trbo rptr receive threashold chatter

In the Trbo repeater channel settings is a receive threashold setting. According to the help docs, if that level is qualified, it disables the station. How quickly does that enable/disable take effect? Does it effect calls in progress? What do you think happens when the interference causes that dete...
by Bill_G
Thu Dec 07, 2017 3:58 am
Forum: MotoTRBO 3rd Party Application Discussion & Support
Topic: Genesis 13 GW3 Trbo suite
Replies: 0
Views: 999

Genesis 13 GW3 Trbo suite

Anyone work with the Genesis 13 GW3 Trbo management and diagnostic suite?
by Bill_G
Thu Dec 07, 2017 3:18 am
Forum: MotoTRBO Portables and Mobiles (3xxx/5xxx/7xxx/SL) 2.0 Series Subscribers
Topic: XPR7550 RF adapter
Replies: 17
Views: 1145

Re: XPR7550 RF adapter

On the plus side, you're half way to a new one, and there are a few shopping days until Christmas left!
by Bill_G
Tue Dec 05, 2017 3:42 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: MT1000 RX Tone
Replies: 9
Views: 959

Re: MT1000 RX Tone

The switch is on a flex circuit on the top panel. Use a plain old VOM to troubleshoot the switch. Brush up on your soldering skills to gently remove the flex.
by Bill_G
Mon Dec 04, 2017 6:21 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: MT1000 RX Tone
Replies: 9
Views: 959

Re: MT1000 RX Tone

If you have access to a service monitor, verify the radio does not operate with rx PL.
If the radio is new to you, it may have been modified previously for permanent monitor, or it was sold to you broken.
by Bill_G
Sun Dec 03, 2017 2:42 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Setting up Tone Remote?
Replies: 12
Views: 923

Re: Setting up Tone Remote?

I was going to give a "?", but after re-reading this it will be for a 2nd control base and not on dispatch's radio in which you are correct. That's okay. I misread his post too. He already has a radio with an antenna on the roof. So, he can disregard a big portion of my recipe. But, he sh...
by Bill_G
Sat Dec 02, 2017 1:23 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Setting up Tone Remote?
Replies: 12
Views: 923

Re: Setting up Tone Remote?

Bigred wrote:To get this to work, dispatch will have to have a remote also. Consider one that fits the day to day operation like maybe a gooseneck mic and a footswitch instead of a handset you have to pick up.


Dispatch will be heard through the repeater.
by Bill_G
Sat Dec 02, 2017 6:20 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Setting up Tone Remote?
Replies: 12
Views: 923

Re: Setting up Tone Remote?

Can someone talk me through what is needed to set up a tone remote? Recipe to add a tone remote control - Ingredients: 1 mobile radio with an accessory port on the back with PTT, MIC HI, RX HI (preferably not off the volume control), and Ground 1 Tone remote adapter preferably with instructions or ...
by Bill_G
Tue Nov 28, 2017 2:52 pm
Forum: Experimental - Mods, and how to do things a little out of the box
Topic: ROIP-102
Replies: 22
Views: 5332

Re: ROIP-102

You can use a single NXU2A at the radio, and link to it with PCNXU available at the JPS site as a free download. They would just use their laptop or PC to talk over the radio. The other option is a Barix. Thanks. They prefer not to use a computer. I thought about that and MIP5000. It's fairly econo...
by Bill_G
Mon Nov 27, 2017 1:37 pm
Forum: Experimental - Mods, and how to do things a little out of the box
Topic: ROIP-102
Replies: 22
Views: 5332

Re: ROIP-102

Barix Annucicom 100 used by the railroad to control radios over Verizon / Cradlepointe. $395 for the Barix. Pretty DIY, but audio sounds great.

http://www.ip-audio.com/audio/annuncicom100.php
by Bill_G
Mon Nov 27, 2017 11:41 am
Forum: Experimental - Mods, and how to do things a little out of the box
Topic: ROIP-102
Replies: 22
Views: 5332

Re: ROIP-102

You can use a single NXU2A at the radio, and link to it with PCNXU available at the JPS site as a free download. They would just use their laptop or PC to talk over the radio. The other option is a Barix.
by Bill_G
Sat Nov 25, 2017 5:52 am
Forum: ASTRO25 Series (XTS/XTL 1500/2500/5000) Subscribers
Topic: XTS2500 B Model Fidelity Failures
Replies: 4
Views: 568

Re: XTS2500 B Model Fidelity Failures

If the autotune isn't complaining about the tx freq unable to warp in, you could attempt to make adjustments on one mobile to see if you can dial it in. Otherwise, you should depot them all. When doing large migrations, it is not unusual to find batches of failing radios because (A) the agency never...
by Bill_G
Fri Nov 24, 2017 6:25 am
Forum: MotoTRBO Repeaters, Trunking, and Site Infrastructure
Topic: SLR5700 Strange Noises
Replies: 16
Views: 877

Re: SLR5700 Strange Noises

Have you got an Anritsu, and have you swept the lines / antenna?

Have you done site noise / desense test with and without the rptr keyed?
by Bill_G
Thu Nov 23, 2017 9:13 am
Forum: ASTRO25 Series (XTS/XTL 1500/2500/5000) Subscribers
Topic: XTS2500 B Model Fidelity Failures
Replies: 4
Views: 568

Re: XTS2500 B Model Fidelity Failures

TX or RX fidelity test?
by Bill_G
Sun Nov 19, 2017 4:25 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: 148A from a 60A supply!!! Oh wait ...
Replies: 3
Views: 458

Re: 148A from a 60A supply!!! Oh wait ...

Okay. Figured it out before tech support had a chance to call back - the current shunt cal settings (which makes sense ... kinda). So, this product series has two ways to access it - via web browser or their app. Through the web, you can log in as admin or user, and through their app you can log in ...
by Bill_G
Sat Nov 18, 2017 12:38 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: 148A from a 60A supply!!! Oh wait ...
Replies: 3
Views: 458

Re: 148A from a 60A supply!!! Oh wait ...

Well, I have two more to put in sometime before the end of the year. So, I'll get some practice reading the current remotely. The front panel meter was correct yesterday when I left. BTW - I was able to swap out the chargers and batteries without taking the site down. Yesterday was a test run, and i...
by Bill_G
Sat Nov 18, 2017 9:18 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: 148A from a 60A supply!!! Oh wait ...
Replies: 3
Views: 458

148A from a 60A supply!!! Oh wait ...

Yesterday, I replaced a -48VDC PCP charger and battery string circa 2001 with a Newmar Centurian II. I've used this product several times in the last five years. It's actually an Enatel DC plant out of New Zealand that Newmar Power rebrands in the USA. Good price, and so far a solid product. I logge...
by Bill_G
Sat Nov 18, 2017 9:05 am
Forum: Radio Programming
Topic: XTS5000 Tuner and serial port adapter
Replies: 3
Views: 598

Re: XTS5000 Tuner and serial port adapter

I've run into similar problems with USB serial adapters that worked with some radios, but not others, or worked with their CSS, but not their tuner app. The only solution I've found is to keep trying different USB adapters until one works. I even tried com port assignment in the device properties th...

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