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Search found 810 matches

by fineshot1
Tue Jan 16, 2018 1:21 pm
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR 1000A with intermittent 10 MHz Oscillator
Replies: 8
Views: 153

Re: IFR 1000A with intermittent 10 MHz Oscillator

You do not need to use WWV - you can check it against any local NOAA weather freq in your area or
any of your local trunking control channels all of which are timed off GPS timing.
by fineshot1
Wed Jan 03, 2018 6:05 am
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR 1000A with intermittent 10 MHz Oscillator
Replies: 8
Views: 153

Re: IFR 1000A with intermittent 10 MHz Oscillator

for the cost of 10Mhz OCXO's on Ebay I would just go for a replacement ...less than $20. You can tear into what you have but given the age the material may disintegrate as you try to disassemble and try to repair. Just get a replacement module and mount in the box. You may have to drill another hol...
by fineshot1
Thu Dec 21, 2017 11:46 am
Forum: ASTRO25 Series (XTS/XTL 1500/2500/5000) Subscribers
Topic: Microphone Pinout?
Replies: 4
Views: 156

Re: Microphone Pinout?

here is what i found - hope this helps XTL MMP Port Pinout from Schematic Doc M5 Control Head Main Board, Page 3-15 1 - ONE_WIRE 2 - PTT 3 - SPKR 4 - USB_D- / RXD 5 - GND 6 - VBus 7 - MIC_HI 8 - GPIO_1 / USB_D+ / TXD 9 - HUB / KEYFAIL 10 - GPIO_0 / PWR_ON Figure 3-10. MMP Connector Pin Numbers Page ...
by fineshot1
Tue Dec 19, 2017 11:22 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: AMTS 217 band reallocation issues
Replies: 11
Views: 268

Re: AMTS 217 band reallocation issues

Bill - these NJ DOT freqs were actively being used years ago. I have not listened recently and after reading your post I noticed those freqs were inactive. When they vacated I have no idea. NJDOT's 220 system has been taken down, and the radios have surfaced through various surplus channels. Think ...
by fineshot1
Mon Dec 18, 2017 9:45 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: AMTS 217 band reallocation issues
Replies: 11
Views: 268

Re: AMTS 217 band reallocation issues

You can check the ULS to see if those freqs are still active. Did that already with nothing listed. I remember years ago the heavy pulsing causing problems on the 220Mhz ham band repeaters receivers and also if you were in close proximity while mobile on your mobiles receiver. http://forums.radiore...
by fineshot1
Mon Dec 18, 2017 9:26 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: AMTS 217 band reallocation issues
Replies: 11
Views: 268

Re: AMTS 217 band reallocation issues

Bill - these NJ DOT freqs were actively being used years ago. I have not listened recently and after reading
your post I noticed those freqs were inactive. When they vacated I have no idea.
by fineshot1
Mon Dec 18, 2017 8:57 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: AMTS 217 band reallocation issues
Replies: 11
Views: 268

Re: AMTS 217 band reallocation issues

This must be why I noticed that the local area GSP DOT Trunking Freqs were now totally inactive.

NJGSP - NJDOT 220Mhz Trunking Freqs
in Toms River (Ocean County)

Toms River NJ: (Exit 82)
217.6000,
217.7000,
217.8000,
217.9000
by fineshot1
Tue Dec 05, 2017 6:09 am
Forum: ASTRO25 Series (XTS/XTL 1500/2500/5000) Subscribers
Topic: Vehicle Charger for XTS5000
Replies: 1
Views: 168

Re: Vehicle Charger for XTS5000

Hello, A friend of mine acquired a vehicle charger for his XTS5000 radio. The part number off the charger is WPLN4207C. However we have no idea what the color codes are for the pig tale that goes to it. There were no instructions with it and wanted to see if anyone knows which color wire does what?...
by fineshot1
Mon Nov 27, 2017 12:24 pm
Forum: ASTRO Series (Astro Saber, Spectra, XTS3000/3500) Subscribers
Topic: XTVA with XTS3K stuck in "self test"
Replies: 1
Views: 234

Re: XTVA with XTS3K stuck in "self test"

You left a lot of info out of your post. Are the red and yellow leads hooked up to the proper sources? Red should be +12V constant and Yellow lead should be +12V ignition. Are you using a HHCH with the XTVA? What is the XTS3000 Firmware level at? Does the XTS3000 complete self test while not inserte...
by fineshot1
Tue Nov 14, 2017 6:59 am
Forum: APX Series Subscribers
Topic: Handset issue with APX6500
Replies: 4
Views: 221

Re: Handset issue with APX6500

I went through one of my available 6500 codeplugs and could find no reference for it
and I also went through all my apx docs and did find that it is option W874AB which
probably includes the part numbers in the above post and I can find no reference for
a handset capability in the 6500 spec sheet.
by fineshot1
Mon Nov 13, 2017 5:57 am
Forum: APX Series Subscribers
Topic: Handset issue with APX6500
Replies: 4
Views: 221

Re: Handset issue with APX6500

Did you search on this website for the below post?

viewtopic.php?t=95444
by fineshot1
Thu Nov 09, 2017 8:04 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Convert a Henry Amp to do simplex
Replies: 12
Views: 363

Re: Convert a Henry Amp to do simplex

Not sure if this will help but check it out just in case it will be needed

https://www.dxengineering.com/parts/svp-sv-kr
by fineshot1
Wed Oct 18, 2017 7:50 am
Forum: Test Equipment & RF Equipment Alignment
Topic: Bird Termaline Model 61 (1 & 5W)
Replies: 3
Views: 235

Re: Bird Termaline Model 61 (1 & 5W)

Today i swapped CR101 and CR102 and had positive results but still not as accurate as i would expect it to be if it were properly re-calibrated. Using CR102 in the Hi/Low selection ports gets the accuracy much closer than before when using CR101. While using the low scale I measured an HT output on ...
by fineshot1
Thu Oct 12, 2017 7:08 am
Forum: ASTRO Series (Astro Saber, Spectra, XTS3000/3500) Subscribers
Topic: MTVA amp on XTVA????
Replies: 7
Views: 288

Re: MTVA and XTVA rf amps

Here are all the actual part numbers for each the MTVA and XTVA rf amps below. XTVA RF Power amplifiers (TPL): NLD1976 VHF NLE1784 UHF 403-470 NLE1785 UHF 450-512 NLF1258 800 MTVA kit N1671A, consisting of NTN1340A holder, plus control unit [one of: NTN1322A (universal w/o RFPA), NTN1323A (w/ VHF RF...
by fineshot1
Sun Oct 08, 2017 6:42 am
Forum: ASTRO Series (Astro Saber, Spectra, XTS3000/3500) Subscribers
Topic: MTVA amp on XTVA????
Replies: 7
Views: 288

Re: MTVA amp on XTVA????

Can a MTVA "control unit" be used on a XTVA (STX3K) ??? I have a complete 800MHz unit but would like to use it on VHF, looks like I can use it without the amp, but......... If you have the MTVA control unit that also has an rf amp built into it you can use the rf amp but only on the band ...
by fineshot1
Sat Oct 07, 2017 10:07 am
Forum: Vehicle Radio Installs
Topic: MC2100 aka MCS2000 mobile set
Replies: 1
Views: 252

Re: MC2100 aka MCS2000 mobile set

The public safety common way to to hook up power to an MCS2000 is to have constant +12V to the main power cord connection and the Accessory connector pin 15 (ignition) to a +12V ignition source which should power up the radio. I always setup the above Accessory connector in CPS programming software ...
by fineshot1
Fri Sep 29, 2017 4:43 am
Forum: Test Equipment & RF Equipment Alignment
Topic: Bird Termaline Model 61 (1 & 5W)
Replies: 3
Views: 235

Re: Bird Termaline Model 61 (1 & 5W)

Hi , The times I came across this model measuring incorrectly was with R102 changed.. Yes - I measured R102L at about 11.7K and R102H at about 12.7K. Both should be exactly 9.1K and I have not taken apart the head and not sure about how to do that safely. I am in foggy territory as to taking this h...
by fineshot1
Thu Sep 28, 2017 10:01 am
Forum: Test Equipment & RF Equipment Alignment
Topic: Bird Termaline Model 61 (1 & 5W)
Replies: 3
Views: 235

Bird Termaline Model 61 (1 & 5W)

Looking for anyone with experience with this old workhorse.
I need to calibrate this great old watt meter. Both scales low
and high are off by about 25%. Some info but not a lot on the
internet and the guy at Bird says it is too old and obsolete
but i still have a good use for it.
by fineshot1
Thu Sep 14, 2017 5:23 am
Forum: Test Equipment & RF Equipment Alignment
Topic: Bird 4304A
Replies: 4
Views: 366

Re: Bird 4304A

I have a Bird 43 with the correct elements but have two vehicles(personal and work) and am out and about with the work vehicle more often and will probably acquire a 4304A for the work vehicle hence my question. My having a 1.2Ghz repeater i contemplate the need to have to make due with the 4304A fo...
by fineshot1
Wed Sep 06, 2017 3:43 am
Forum: Test Equipment & RF Equipment Alignment
Topic: Bird 4304A
Replies: 4
Views: 366

Re: Bird 4304A

I am well aware of the specs hence my question and am hoping for someone with first hand experience
above 1Gz since 23cm is not that far out of spec.
by fineshot1
Mon Sep 04, 2017 10:17 am
Forum: Test Equipment & RF Equipment Alignment
Topic: Bird 4304A
Replies: 4
Views: 366

Bird 4304A

Out of curiosity just wondering if anyone knows whether this model "with or without"
modification will accurately work in the ham 1295Mhz spectrum area?
by fineshot1
Sat Sep 02, 2017 5:16 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Typical Exciter Output for Base Station and Repeaters
Replies: 4
Views: 314

Re: Typical Exciter Output for Base Station and Repeaters

Thanks Bob,
Am I correct in assuming the Quantro and Quantar would be the same?
by fineshot1
Wed Aug 30, 2017 10:31 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Typical Exciter Output for Base Station and Repeaters
Replies: 4
Views: 314

Typical Exciter Output for Base Station and Repeaters

Just for fun and out of curiosity I made up a matrix and would like to fill it in. Yes some of this will be NA(Not Applicable). If I left out anything I am sure I can rely on someone to to chime up and announce it. I already know what GE stuff would be. Micor VHF-Hi UHF-Q Split UHF-R Split UHF-S Spl...
by fineshot1
Mon Aug 21, 2017 1:56 pm
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR 1900
Replies: 7
Views: 468

Re: IFR 1900

yes - i looked at those on amazon and are very similar and yes i see the old pot in the hole trick now, thanks
by fineshot1
Thu Aug 17, 2017 6:13 pm
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR 1900
Replies: 7
Views: 468

Re: IFR 1900

I find it hard to believe that anyone in HK would take a check from someone in the usa.
In the Ebay sellers pictures you posted above I did not see anything that looked like
it was and adjustment. Perhaps you can specify that in one of the pictures.
Thanks for the info and part number.
by fineshot1
Thu Aug 17, 2017 5:33 am
Forum: Test Equipment & RF Equipment Alignment
Topic: IFR 1900
Replies: 7
Views: 468

Re: IFR 1900

This is interesting - what is the obsolete LG/IFR part number?
I am wondering if there is a non-ifr usa source instead of having to go offshore.
I don't use ebay and paypal so ebay is not an option for me and perhaps many others.
I purchased my 1900 specifically because of the 1296 band coverage.
by fineshot1
Tue Aug 01, 2017 6:44 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Celwave PF9208A RX preamplifier
Replies: 3
Views: 280

Re: Celwave PF9208A RX preamplifier

I have some experience with the 800Mhz version of that. This style preamp was typically used to overcome a receive system total insertion loss's and were aligned such that the total receive gain was only slightly to overcome the total insertion loss. To do that you have to open up the unit and make ...
by fineshot1
Tue Aug 01, 2017 5:54 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Celwave PF9208A RX preamplifier
Replies: 3
Views: 280

Re: Celwave PF9208A RX preamplifier

Celwave has not existed as Celwave since the early to mid 1980's when it became part of RFS hence the lack of available info via an internet search.
NOTE: These if i recall correctly were typically in the 8 - 16DB range gain.
by fineshot1
Wed Jul 05, 2017 5:02 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: battery eliminator MTS/HT blowing fuse
Replies: 4
Views: 450

Re: battery eliminator MTS/HT blowing fuse

Hi, I have a RLN4335A battery eliminator with the cig lighter plug that keeps blowing the internal fuse. Any else have this problem and can offer some advice? Thanks Yes - i have seen this before when the portable is turned on before inserting the cla plug. The amount of current exceeds the fuse ra...
by fineshot1
Sun Jul 02, 2017 4:17 am
Forum: ASTRO25 Series (XTS/XTL 1500/2500/5000) Subscribers
Topic: MT1500 Electrical Requirements?? Voltage and AMP Draw
Replies: 2
Views: 285

Re: MT1500 Electrical Requirements?? Voltage and AMP Draw

Looking to make a battery emlinator from an old battery. I believe that the radio runs on 7.5v however I do not know the amp draw?? Can someone confirm 7.5v and know the amp draw? Thanks Rob No one is going to take a shot in the dark without more info. What band? - VHF, UHF, 800 MHz What Model? - M...
by fineshot1
Sun Jul 02, 2017 3:42 am
Forum: ASTRO Series (Astro Saber, Spectra, XTS3000/3500) Subscribers
Topic: XTS3000 PL Unmuting Problem
Replies: 2
Views: 278

Re: XTS3000 PL Unmuting Problem

Hello everyone, Having an issue with my XTS3000. I programmed it with a zone of frequencies I monitor, the same ones that work no problem on my two MTS2000's. I'm having issues with some of the personalities, they do not un-mute even though they are programmed with the correct frequency/PL. Unmute/...
by fineshot1
Sat Jul 01, 2017 2:49 pm
Forum: Converting Motorola Equipment to 900MHz Amateur
Topic: External Time Base T5829A for Quantar
Replies: 6
Views: 500

Re: External Time Base T5829A for Quantar

The Trak 9100 is the typical and usual time source for most of todays Motorola trunk systems
with Quantars. IIRC they use a 5 or 10Mhz 1VRMS P-P sinwave. Click on the url below.

http://www.simulcastsolutions.com/userf ... ak9100.pdf
by fineshot1
Fri Jun 30, 2017 5:35 am
Forum: Test Equipment & RF Equipment Alignment
Topic: Sample DB down mathmatics?
Replies: 5
Views: 352

Re: Sample DB down mathmatics?

thanks for all your responses - especially Al and RFguy - that is exactly what i was looking for. i used 100W as an example but seldom do such round even numbers show up on the bird which is why i was looking for a quick and easy calculation. "Gain is +dB Loss is -dB" This part i knew and ...
by fineshot1
Thu Jun 29, 2017 11:31 am
Forum: Test Equipment & RF Equipment Alignment
Topic: Sample DB down mathmatics?
Replies: 5
Views: 352

Sample DB down mathmatics?

I have a couple of Bird sampling elements with the BNC output, 30DB and 50DB down. I am wondering if there is a math calculation online(or anywhere) one can use to get a possible sample output with an input power(ie:100W) and get the sample output. Am I assuming correctly of thinking 30DB down is ab...
by fineshot1
Thu Jun 29, 2017 11:30 am
Forum: Test Equipment & RF Equipment Alignment
Topic: Sample DB down mathmatics?
Replies: 0
Views: 85

Sample DB down mathmatics?

I have a couple of Bird sampling elements with the BNC output, 30DB and 50DB down. I am wondering if there is a math calculation online(or anywhere) one can use to get a possible sample output with an input power(ie:100W) and get the sample output. Am I assuming incorrectly of thinking 30DB down is ...
by fineshot1
Fri Jun 23, 2017 2:14 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Needed: 45.0 Micor Channel elements for base
Replies: 8
Views: 621

Re: Needed: 45.0 Micor Channel elements for base

George wrote:Looking for 45.0 channel elements for a Micor base. Both Transmit and Receive

Anyone have any in the drawer they wish to sell?


Sorry George, i no gots - everything i have is VHF-Hi band.
by fineshot1
Thu Jun 22, 2017 11:06 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Needed: 45.0 Micor Channel elements for base
Replies: 8
Views: 621

Re: Needed: 45.0 Micor Channel elements for base

I am assuming you need KXN1024 RX and KXN1028 TX Elements.
If you can confirm later when i get home i will look in my box
and see if I have them and get back to you via pm.
by fineshot1
Mon May 22, 2017 10:56 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: New Battery Technology has promise
Replies: 0
Views: 458

New Battery Technology has promise

FYI - Interesting new battery technology Lithium Iron Phosphate Battery Technology http://www.a123systems.com/lithium-iron-phosphate-battery.htm http://coastalsolar.com/lithium-iron-phosphate-vs-lead-acid/ http://www.newcastlesys.com/blog/lithium-ion-vs-lithium-iron-batteries http://www.brighthubeng...
by fineshot1
Mon May 01, 2017 8:42 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Multi Band Antenna
Replies: 10
Views: 1245

Re: Multi Band Antenna

A Comet SBB14 is probably as close as you will find but no or poor TX performance for commercial
by fineshot1
Fri Apr 21, 2017 5:57 am
Forum: Test Equipment & RF Equipment Alignment
Topic: Motorola R2670A Tracking Generator
Replies: 6
Views: 427

Re: Motorola R2670A Tracking Generator

OK - problem solved. You were right jry. The Gen out conn had a blown fuse that i replaced. Turns out that unknown to me one of my coworkers used the monitor before me and I assumed he knew what he was doing. But as always human error can creep its way into anything. From now on I will always fully ...
by fineshot1
Thu Apr 20, 2017 11:50 am
Forum: Test Equipment & RF Equipment Alignment
Topic: Motorola R2670A Tracking Generator
Replies: 6
Views: 427

Re: Motorola R2670A Tracking Generator

meant the antenna port on the R26XX. Which output port did you use ? I think you may want the Duplex since that is 0dbm to -80dbm. If that is off check the fuses on the antenna and duplex ports You are clearly not familiar with the 2670A. Duplex ??? This is NOT a fuse issue as all of the ports on t...
by fineshot1
Thu Apr 20, 2017 10:11 am
Forum: Test Equipment & RF Equipment Alignment
Topic: Motorola R2670A Tracking Generator
Replies: 6
Views: 427

Re: Motorola R2670A Tracking Generator

not sure how you have your unit configured but I would start with jumpering the selected output to the antenna and verify that you get roughly the same level at the center freq. The R2600 TG is not all that flat at wide dispersions and you tend to get a sawtooth when the SW stitches the screens tog...
by fineshot1
Thu Apr 20, 2017 7:35 am
Forum: Test Equipment & RF Equipment Alignment
Topic: Motorola R2670A Tracking Generator
Replies: 6
Views: 427

Motorola R2670A Tracking Generator

Has anyone had a problem like this? I have never encountered it with the monitor I have. I used the TG on a new filter and the filter output is 60dbm down from the filter input from the TG. The filter manufacture says the filter is good no problem. I made sure all my RG224 coax cords that I have use...
by fineshot1
Tue Apr 18, 2017 11:23 am
Forum: Converting Motorola Equipment to 900MHz Amateur
Topic: APX4000 on 902/927 ham?
Replies: 22
Views: 1246

Re: APX4000 on 902/927 ham?

Many of those failures are to be ignored since each radio is going to present slight variations to these canned tests that look for very rigid requirements to pass. You have to learn to read between the lines of each individual radio test results. Example - freq error may be slightly low in freq by ...
by fineshot1
Mon Apr 10, 2017 5:23 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: SM50, decode NOAA QCII long tone 1050?
Replies: 2
Views: 552

Re: SM50, decode NOAA QCII long tone 1050?

I could be wrong but as far as I know there is no QCII 1050 tone.

The closest tone I know of is 1047.1 in table 4
by fineshot1
Fri Apr 07, 2017 5:59 am
Forum: APX Series Subscribers
Topic: Northcomm Technologies APX/XTL interface box?
Replies: 2
Views: 604

Re: Northcomm Technologies APX/XTL interface box?

Thanks for posting that info.

Looks like an interesting product and company
by fineshot1
Fri Apr 07, 2017 5:28 am
Forum: Vehicle Radio Installs
Topic: Tpl mobile amp install
Replies: 2
Views: 417

Re: Tpl mobile amp install

I'm about to install an xtva with tpl amplifier in my truck. The tpl amplifier instructions recommend wiring direct to the vehicle battery. My question is won't that drain the battery when the ignition is off even if I'm not using the xtva? My truck gets driven maybe once a week and sits for long p...
by fineshot1
Tue Mar 21, 2017 6:24 am
Forum: ASTRO25 Series (XTS/XTL 1500/2500/5000) Subscribers
Topic: XTL2500 and 4ohm speaker?
Replies: 3
Views: 453

Re: XTL2500 and 4ohm speaker?

Just an observation. I have used both HSN4038 7.5 watt 8 ohm water-resistant Speakers and HSN4039 13 Watt 3.2 ohm water-resistant Speakers On page 3-11 for the acc jack pin functions of HLN6923A the XTL2500 M5 Control Head Installation Manual regarding the speaker pins below. Pin 20 SPKR+ and Pin 26...
by fineshot1
Mon Mar 13, 2017 9:12 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: International Crystal Going out of business
Replies: 5
Views: 573

Re: International Crystal Going out of business

FireCpt809 wrote:Rumor has it Bomar is out of the LMR side of the business. I personally have never used them but here is an alternative http://www.jancrystals.com/


Yes - this is true regarding Bomar. Very disturbing to me. I came out of the crystal era
and had accounts with both Bomar and ICM.

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