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Search found 130 matches

by AL7OC
Tue Apr 25, 2017 11:15 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Yaesu betting on C4FM for AR
Replies: 59
Views: 10891

Re: Yaesu betting on C4FM for AR

Low cost DMR radios are probably going to make DMR the dominant mode over time. A little over $100 is all that you need for a basic radio that works. The imports may not be as " ham-sexy" as a high tier Motorola, but they are ideal for experimenting and getting your feet wet in a newer, no...
by AL7OC
Mon Jul 07, 2014 8:59 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Wattage output versus tx range ?
Replies: 37
Views: 2661

Re: Wattage output versus tx range ?

Old school thoughts - you need 6db power increase to achieve a 3db signal increase at the receiver. Usually you need at least 6db (4x) power increase to get a noticeable change in received signal quality. Square law... A 3db increase in TX output power, plus a 3 DB gain antenna, plus cleaning up tra...
by AL7OC
Sun Feb 09, 2014 11:53 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Narrowband - why does Motorola specs imply deafer radio?
Replies: 14
Views: 3585

Re: Narrowband - why does Motorola specs imply deafer radio?

It's been over 30 years since I was in radio engineering classes, but if I recall, if you decrease your FM modulation index by holding you max modulating frequency and decrease your deviation, doesn't that have an adverse effect on SNR? True, your bandwidth decreases, but so does the relative amount...
by AL7OC
Sun Feb 02, 2014 10:11 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Whats the point of buying a 110w radio?
Replies: 71
Views: 9795

Re: Whats the point of buying a 110w radio?

IMHO, going from a 50 to 110 watt radio in and of itself is not a big improvement as far as improving coverage. That being said, if you buy a 3db improvement in output power, and couple it with low loss feed line, and a 3db gain antenna on both the transmitting and receiving side, now you have a 9 d...
by AL7OC
Thu Jan 23, 2014 9:08 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Broken channel selector knobs on MT1000's,
Replies: 10
Views: 1733

Re: Broken channel selector knobs on MT1000's,

I think that they are known as Bristol splines. You can find sets online.

PL
by AL7OC
Sun Dec 01, 2013 9:12 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: XTS3000 Charger Question
Replies: 5
Views: 603

Re: XTS3000 Charger Question

Do you have the older shoe type charger NTN7209A charger, and what kind of battery are you trying to charge with it?

PL
by AL7OC
Wed Oct 30, 2013 7:42 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Astro Saber 3 on RX cuts the morse code ID of a ham repeater
Replies: 11
Views: 1080

Re: Astro Saber 3 on RX cuts the morse code ID of a ham repe

It could also be that the deviation level of the CWID is too high. It is not uncommon for ham repeaters to be set with deviation peaks at or slightly above +/- 5KHz. I have problems with some ham repeaters here in western Colorado and my commercial radio equipment. The repeaters sound fine on amateu...
by AL7OC
Sun Oct 20, 2013 5:56 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Simplex Low Band portable coverage
Replies: 3
Views: 892

Re: Simplex Low Band portable coverage

It would depend on the antenna and the terrain. Low band has very poor penetration into any steel reinforced structure, so if you are in an urban environment, don't expect much. Helical antennas aren't that great on low band. Some loaded telescoping antennas might do a little better. In rural enviro...
by AL7OC
Mon Sep 02, 2013 6:22 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: CP200 Programming Template?
Replies: 0
Views: 712

CP200 Programming Template?

Does anyone know of or have a CP200 Programming template/spreadsheet? Escomm can re-program mine for me, and it would be easier if I had a template to fill out with the settings to,send with the radio. Frequency and PL are easier to jot down, but I don't know all of the other global and personality ...
by AL7OC
Fri Aug 23, 2013 10:32 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: What was your first /\/\otorola radio?
Replies: 124
Views: 18519

Re: What was your first /\/\otorola radio?

Motorola T43GGV, mounted in my '67 Ford LTD. Second was a Motorola all tube 40w VHF Compa Station, third was a Motrac re-tuned for 52.525 and a repeater pair. $20 each, + 5.00 per crystal from LNX. The Motrac still lives.
by AL7OC
Fri Jul 26, 2013 8:16 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: OT - Amateur Radio Encryption NPRM
Replies: 11
Views: 1658

Re: OT - Amateur Radio Encryption NPRM

For Pete's sake... Just use some digital voice protocol like D-STAR if you're worried about scanner eavesdroppers. Or 30 wpm CW, packet, so-on and so forth. We have frequency and mode agility which most Part 90 licensees don't. There are many open protocols which would be difficult to intercept by c...
by AL7OC
Sat Jun 15, 2013 9:36 pm
Forum: Legacy Batboard Motorola ASTRO (VSELP/IMBE/AMBE) Equipment Forum
Topic: XTS3000 Model III power up problem
Replies: 10
Views: 621

Re: XTS3000 Model III power up problem

Update- I was playing around with this radio after having it in a junk box for a while, and got it to wake up again. The radio would display the green LED on top when switched on, but the display would stay blank, and the LED would remain green. It was not stunned or inhibited as it doesn't have tha...
by AL7OC
Sat Feb 09, 2013 6:05 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Securenet Carriers
Replies: 6
Views: 751

Re: Securenet Carriers

Securenet isn't a narrowband compliant emission anyways... 20K0F1E
by AL7OC
Thu Jan 17, 2013 11:48 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Delayed key loss after updating codeplug
Replies: 3
Views: 732

Re: Delayed key loss after updating codeplug

Infinite key retention is enabled. The key loss phenominum occurs just once within a few days of loading a new codeplug. After re-loading the keys, they are not lost until a few days after the next time the codeplug is updated. It could be months between codeplug updates.
by AL7OC
Wed Jan 16, 2013 8:44 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Delayed key loss after updating codeplug
Replies: 3
Views: 732

Delayed key loss after updating codeplug

After updating the codeplug on my XTS5000, a few days later a key a key fail message appears on secure enabled channels. This has happened many times before. The radio works fine in secure mode for a few days, then "loses" it's keys. A keyload fixes the problem, and the radio retains its k...
by AL7OC
Wed Dec 12, 2012 11:40 pm
Forum: Motorola Digital and Voice Paging
Topic: Old QC-1 Encoder Availability For Tinkering
Replies: 0
Views: 246

Old QC-1 Encoder Availability For Tinkering

I am semi-looking for an old QC-1 encoder with group Z Vibrasender reeds CZ-PZ. We dinked around with them when I was a co-op student at Harris RF Comm 34 years ago. The application there was for HF aeronautical selcall, and they were also present in our fire stations. If I recall, they were full of...
by AL7OC
Thu Nov 29, 2012 12:24 pm
Forum: Radio Programming
Topic: DOS Box
Replies: 3
Views: 710

DOS Box

We are currently running a program called DOS Box on our company laptops for programming older imaging equipment. DOS Box allows us to run older DOS based equipment programming tools and also supports serial port comms with the equipment. We are running it on XT Professional. Anyone tried DOS Box or...
by AL7OC
Sat Oct 20, 2012 8:04 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Astro Spectra Zapped CR3903 <again>
Replies: 6
Views: 903

Re: Astro Spectra Zapped CR3903 <again>

Your 5/8 high band antenna is close to being an electrical 1/4 wave on 6 meters. You will couple a lot of energy into the 5/8 high band while talking on low band, which is probably taking out your front end on the high band radio. You can go to a quarter wave on high band to reduce the problem, or p...
by AL7OC
Fri Oct 19, 2012 1:08 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: MX300/Keyloader battery sources?
Replies: 3
Views: 507

Re: MX300/Keyloader battery sources?

Do an Internet search... There are quite a few businesses who sell them. I think Empire comes to mind, but there are more. Google "Motorola NLN5860 battery". I don't think that I paid more than $35 or so for an Empire pack, and it works good enough.
by AL7OC
Mon Oct 01, 2012 4:20 pm
Forum: Legacy Batboard Motorola ASTRO (VSELP/IMBE/AMBE) Equipment Forum
Topic: XTS3000 Model III power up problem
Replies: 10
Views: 621

Re: XTS3000 Model III power up problem

Been looking at this VHF XTS-3000 sitting in the parts box since last Christmas. Anyone got an old model III type AN housing that they want to part with? I am thinking that it might be worth a shot to try to resurrect this if it's a bad flex. The encryption board has been ruled out. The green LED co...
by AL7OC
Mon Oct 01, 2012 3:45 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: AS3 Overheating/Locks Up in TX
Replies: 9
Views: 1181

Re: AS3 Overheating/Locks Up in TX

Thanks for the link to the service manual. Hopefully, the cleaning and fresh heatsink compound will solve the problem.
by AL7OC
Sun Sep 30, 2012 4:31 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: AS3 Overheating/Locks Up in TX
Replies: 9
Views: 1181

Re: AS3 Overheating/Locks Up in TX

Okey-dokey... Carefully took apart the radio and noted that there is no pad between the PA module and the frame. I presume that the pad is some sort of compressible material that goes in between the PA and frame? I applied a very light coating of heat sink compound to the mating components and re-as...
by AL7OC
Fri Sep 28, 2012 6:41 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: AS3 Overheating/Locks Up in TX
Replies: 9
Views: 1181

Re: AS3 Overheating/Locks Up in TX

Haven't had an AS3 apart yet. Hate to dink with things while they work. Is it fairly simple to get to the PA to repair this?

Thanks!

Pierre
by AL7OC
Sun Sep 16, 2012 11:05 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: AS3 Overheating/Locks Up in TX
Replies: 9
Views: 1181

AS3 Overheating/Locks Up in TX

Anyone ever hear of, or see this? I have had my AS3 lock up in TX after a prolonged conversation. TX duty cycle about 50%, and TX time around 60 sec. The radio case gets warm to the touch, and the TX light stays on after releasing the PTT button. Switching the radio off doesn't shut it down - you ha...
by AL7OC
Wed Aug 29, 2012 7:43 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: XTS3000 battery dated 812 LU - 1998 OR 2008?
Replies: 12
Views: 1612

Re: XTS3000 battery dated 812 LU - 1998 OR 2008?

Beware of cheap Chinese knock-off crap. I wouldn't use that junk if my life depended on it!
by AL7OC
Sat Aug 11, 2012 9:31 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: More noob radio questions
Replies: 19
Views: 1219

Re: More noob radio questions

In defense of lowband... Unbelievable, but we somehow managed to get away with mag-mounted Larsen 1/4 waves on 52-53 MHz. We were using 5 watt Ten-Tec transceivers, and the antennas were stuck square in the middle of a van or car roof. Base to mobile range - 20-30 miles in the flats. If the antenna ...
by AL7OC
Fri Jul 27, 2012 9:46 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: VHF Phantom antenna
Replies: 15
Views: 2041

Re: VHF Phantom antenna

A black quarter wave whip is difficult to see at a distance, unless against a very light background. I have one with an NMO mount for the wife's car, and it's fairly stealthy. I know Larsen makes them for sure.
by AL7OC
Wed Jul 11, 2012 8:30 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Broadband Lowband antenna?
Replies: 10
Views: 1405

Re: Broadband Lowband antenna?

There are assorted military tactical VHF-LO antennas that cover 30~80 MHz. Whenever you get into wideband VHF-LO antennas, you are going to be looking at lots of compromises. http://shakespeare-military.com/vhf.asp Shakespeare, Harris, and several others make these antennas. A very wideband antenna ...
by AL7OC
Thu Jul 05, 2012 12:00 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Wideband VHF antenna Problem at 159 MHz
Replies: 2
Views: 529

Re: Wideband VHF antenna Problem at 159 MHz

The radios have the last version of XTS3K ROS and DSP. The center pin isn't insulated. The batteries are non-Impres NTN4006 Ni-MH. I suspect that the SWR might be a little high at that frequency and that I am getting a little RF on the battery sense line. The question is whether the antenna might be...
by AL7OC
Wed Jul 04, 2012 5:36 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Wideband VHF antenna Problem at 159 MHz
Replies: 2
Views: 529

Wideband VHF antenna Problem at 159 MHz

On all of my XTS3Ks, I have a problem with the low battery indicator flashing when I transmit on our new EMS frequencies in between 159.03 and 159.21 with the wideband VHF helical antenna. It only happens in this frequency range, and it doesn't happen when I used a standard helical VHF antenna tuned...
by AL7OC
Thu Jun 28, 2012 2:04 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Phones as scanners
Replies: 26
Views: 2823

Re: Phones as scanners

I would venture to guess that the intent of the Indiana law (right or wrong) is to prevent people from keeping tabs on the cops while out and about, especially for the purpose of evading the cops while you're jacking banks. It's probably similar to the statutes regarding the possession of burglary t...
by AL7OC
Tue Jun 26, 2012 8:13 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Radio accedently keyed in to a wrong freq, radio DEAD
Replies: 41
Views: 3799

Re: Radio accedently keyed in to a wrong freq, radio DEAD

Hope that this isn't too far OT... I have MDC signaling enabled on some ham frequencies so that we can use the SELCALL features. I have radio inhibit disabled in MDC (and P25) under MDC system settings and in secure mode settings. I found radio inhibit there under the OTAR settings, and OTAR is disa...
by AL7OC
Sat Jun 09, 2012 3:04 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: MOL Quoting wrong repair flat rates
Replies: 8
Views: 1031

Re: MOL Quoting wrong repair flat rates

I finally got the bill for the depot repair on the 5K. The clowns at MOL mis-quoted $327 for a flat rate, got a message from the MOL people that the repair was "no-charge", and got billed for $393. WTFO? Don't mind paying for the work, but man, what a FUBAR process getting a straight answe...
by AL7OC
Mon May 21, 2012 7:54 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Yaesu betting on C4FM for AR
Replies: 59
Views: 10891

Re: Yaesu betting on C4FM for AR

Ya know, in the end, if you want a quality radio, that means buying something that is commercial grade, not amateur grade. If Yaesu had put out a P25 ham radio, it would probably have the same problems with selectivity and IMD that you have with the D-STAR stuff. Hams want DC-Light coverage, all mod...
by AL7OC
Sun May 20, 2012 7:08 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Yaesu betting on C4FM for AR
Replies: 59
Views: 10891

Re: Yaesu betting on C4FM for AR

What's the scoop from Dayton on the Yaesu digital voice release for AR?
by AL7OC
Sat May 19, 2012 7:28 pm
Forum: Software & Firmware Releases & Issues
Topic: Astro 25 R17.00.00 CPS
Replies: 10
Views: 2624

Re: Astro 25 R17.00.00 CPS

Case solved. My latest v17.00.00 CPS DVD will not work with the latest R17.01.01 in the radio. I downloaded v17.01.00 and it is working now. Don't know if M will be sending out new DVDs. The latest CPS version is dated April 2012.
by AL7OC
Sat May 19, 2012 12:24 pm
Forum: Software & Firmware Releases & Issues
Topic: Astro 25 R17.00.00 CPS
Replies: 10
Views: 2624

Re: Astro 25 R17.00.00 CPS

The radio has R17.01.01, so maybe that is why my last V17.00.00 CPS may not work. Uploading V17.01.00 CPS from the MOL site. Let y'all know if it works.
by AL7OC
Sat May 19, 2012 10:53 am
Forum: Software & Firmware Releases & Issues
Topic: Astro 25 R17.00.00 CPS
Replies: 10
Views: 2624

Re: Astro 25 R17.00.00 CPS

OK! I cannot read out the codeplug in the radio after upgrading to CPS v17. The radio is at R17x. Do I open an old codeplug with the new CPS software, then download it to the radio, then read-back? Or do I read out the codeplug with v15 CPS, save the file, then re-open it with v17 CPS? I guess that ...
by AL7OC
Sat May 19, 2012 6:10 am
Forum: Software & Firmware Releases & Issues
Topic: Astro 25 R17.00.00 CPS
Replies: 10
Views: 2624

Re: Astro 25 R17.00.00 CPS

Got my 5K back from repairs with 17x ROS/DSP. Do I need to load V17 CPS to read the codeplug in the radio? I have V15 CPS loaded now and the V17 software in my desk drawer.

Thought that I'd ask before I hose the codeplug up!
by AL7OC
Sat May 19, 2012 5:59 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: MOL Quoting wrong repair flat rates
Replies: 8
Views: 1031

Re: MOL Quoting wrong repair flat rates

I got the radio back again yesterday in working order. Thanks for the reminder regarding CTDI. I knew that the radios went to Juarez, but I thought that the process was more integrated between MOL and CTDI. The lesson here is that once out in CTDI's hands, tracing a radio repair status and getting b...
by AL7OC
Thu May 17, 2012 5:48 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: MOL Quoting wrong repair flat rates
Replies: 8
Views: 1031

Re: MOL Quoting wrong repair flat rates

This gets better... I opened a couple of service support cases 9 days ago to find out why the radio was in "general hold" repair status. Got a message yesterday from Motorola service depot. Apparently it was some sort of parts hold. Cool - it's an update, and that's all I was asking for. T...
by AL7OC
Sun May 13, 2012 9:49 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: MOL Quoting wrong repair flat rates
Replies: 8
Views: 1031

MOL Quoting wrong repair flat rates

Just a heads-up that I got the wrong flat rate quoted by MOL for an XTS5K repair job. I told the person on the phone that I was an end-user, and they quoted me a flat rate of $327. When I called to check on the repair, they told me that my cost was now $393, and more or less, it sucks to be you! I s...
by AL7OC
Tue Apr 24, 2012 9:17 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Issue with an XTS5000...
Replies: 17
Views: 1597

Re: Issue with an XTS5000...

$327 flat rate, set up RMA on MOL account. Just sent mine in today. They are claiming 7-9 day turn-around for 5Ks.
by AL7OC
Sat Apr 21, 2012 8:53 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Low Power Out XTS 5000 VHF
Replies: 4
Views: 452

Re: Low Power Out XTS 5000 VHF

Hopefully I'll get it back from the depot with the same flash. The tags on the radio are missing, but it's not a whore flash - pretty basic with FPP, Multikey, IMBE, and soft ID. We'll hope for the best. I'd hate to get it back with only H35 enabled. Saw the other recent post on the flat rate - appe...
by AL7OC
Sat Apr 21, 2012 7:42 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Low Power Out XTS 5000 VHF
Replies: 4
Views: 452

Re: Low Power Out XTS 5000 VHF

I put the radio on the wattmeter last night - zilch RF out. No clue as to what happened. I can hear the exciter, so either the driver or finals are toast. Calling MOL Monday to find out what the repair rate is. BOHICA...
by AL7OC
Fri Apr 20, 2012 7:39 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Low Power Out XTS 5000 VHF
Replies: 4
Views: 452

Low Power Out XTS 5000 VHF

For whatever reason, my VHF 5K appears to have a low RF power output problem. It receives fine, so the antenna and connector are probably good. Any known home remedies, or are we looking at a trip to the depot? I'll put it on the Bird if I ever get home and see what it's actually outputting. Also, a...
by AL7OC
Thu Apr 19, 2012 10:19 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Novus plastic polish and radio displays
Replies: 12
Views: 2020

Novus plastic polish and radio displays

Found and old thread about Novus plastic cleaner and polish kits, but it applied to restoring light bars. I got the small 2oz bottle kit with #1,2 and 3 scratch removers and polish and successfully used it to restore a display window on a beat-up XTS3000. It had some heavy scratches, and I started w...
by AL7OC
Thu Apr 12, 2012 7:38 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Question about CP200
Replies: 4
Views: 938

Re: Question about CP200

We bought a bunch of SP 50s in 1997, and they were narrowband. If I recall, the last two letters in the model number denote whether the radio is narrow or wideband. Don't remember what letters mean what, but I'm sure the information is out there.
by AL7OC
Fri Apr 06, 2012 7:55 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: XTS 1500 emergency button question
Replies: 5
Views: 1004

Re: XTS 1500 emergency button question

Thanks for the radio case idea. The top flap would work. We were doing SAR avalanche work with the K9s, and the top of my radio was getting pretty snow covered crawling in and out of snow caves. On occasion, someone would turn off their radio crawling around, and the top flap would prevent that too....
by AL7OC
Sat Mar 24, 2012 8:51 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: XTS 1500 emergency button question
Replies: 5
Views: 1004

Re: XTS 1500 emergency button question

Thanks. The SAR goons probably have the radio on their belts with their carabiners, ropes, and other crap dangling from their backpacks. I supect that stuff is banging on the top of the radio and causing the problem. The lead goon wants to have the emergency button deactivated altogether. In SAR, we...

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