To close the loop on this, I e-mailed Riley privately and he had a bum Raspberry Pi board.
Scott
Scott Zimmerman
Amateur Radio Call N3XCC
474 Barnett Road
Boswell, PA 15531
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On 5/4/2025 9:52 AM, Teton Amateur Radio Repeater Association (TARRA) wrote: Hello Riley,
A couple of things would be helpful to know. Exactly which pins from the 16 pin connector do you have going where???
What voltages do you have, with and without signal? For this kind of situation always helpful to know the voltages.
Mick - W7CAT
----- Original Message -----
From: "Riley Amoriello -KQ4FFP via groups.io"
To: [email protected]
Sent: Saturday, May 03, 2025 10:22:53 PM
Subject: [repeater-builder] CM300 radio settings
> Having some issues with my CM300 I bought a RB RIM Maxtrax USB and I've tried everything. The RB RIM shows up on the USB
for the raspberry pi with allstarlink 3 but I can't get the raspberry pi to make the radio TX or RX. I've matched what was on the layout on the website for both the radio and the pi . Any help is appreciated.
>
>
> >
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Re: Do these cans look normal inside?
The link didn't automatically set.. I'll try again
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Do these cans look normal inside?
These cans have a ticket they left Sinclair in 2015. Supposedly new old stock.
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Do they look normal inside for the age? Looks like condensation was a thing inside there at some point for the spottiness.
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The dark & black streaks are what has me wondering. I see some on the side walls. Also the end of the plunger tube looks black..could be solder flux??
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I was half tempted to take them apart to inspect more but I'm in no hurry. So I thought I'd ask the pros.?
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I uploaded them to a folder on my qsl page. So they can be viewed in better resolution. Labeled them accordingly.
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https://qsl.net/n/n4fox//cans/
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Re: 2175 Hz Voting tone encoder Board
Another experience
I have successfully integrated modern handheld radios onto the receiver board of Spectratac units. This provides the right balance of modern programming capabilities, proper 12.5khz operation when needed, and specific clean audio with proper timing as mentioned for legacy voters
Don't believe the OP mentioned the make/model but if the voter is a JPS unit and not a Motorola version, you can use most any tone source as the JPS worked more off syllables than SNR past a certain firmware
Another course I recently had good luck with is reviving GE Voter tone cards for Mastr receivers. The board is a good size to integrate and with a resistor change (R2) , the unit can output 2175 in place of 1950, comes with decent amplitude range for aligning, has an ARS line that likes active high logic and appears to satisfy Digitac and Spectratac voters without too much chunky audio clicks (which some personally love)
Jason
For Motorola voters there needs to be 15 milliseconds (from my recollection) of silence right after the 2175 HZ tone drops (COR detected). If you don't have that period of silence, the voter AGC will not lock up (on the 2175 Hz reference level) , levels will be off and voting will be erratic. Huge mistake made by many trying to integrate Spectra-Tac and Digitac with other brand receivers. So your 2175 Hz encoder must have some sort of timer and audio gate to accomplish this. I don't think Motorola widely disseminated this information, and looking back, I doubt some /\/\ system engineers knew this was a potential issue.
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On Sun, May 4, 2025 at 06:37 PM, Stephen K3SEM wrote:
I¡¯ve used the Raytheon / JPS tone encoders on the SNV-12 systems. I¡¯m not sure how they will behave on the /\/\ system due to the on/off timing being different. That¡¯s the main problem with Moto voters, they do proprietary stuff to ensure you use their equipment on the other end.?
73¡¯²õ,
Stephen
K3SEM
-.. . / -.- ¡-- ¡ . --
JPS has their Pilot Tone Generator module, PTG-10.?
Midian Electronics has their VTE-1, Voting Tone Generator.?
I've dealt with the JPS unit, very nice, easy to interface, works long time. Copacetic.?
Never had to chance to use the Midian so no opinion.?
Chuk?
KB4MDZ
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The Real RFI-EMI-GUY
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Hi, I have decided to sell this amplifier since I'm moving in a different direction for my repeater site mainly, don't have room in the cabinet for it. This app is currently tuned at 440.950, and works well at least it did when it was taken out of service over a year ago. I will ship for $550.
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For Sale: Kenwood TKR-850-1 v.1 UHF repeater.
Selling the last Kenwood TKR-850-1 UHF repeater I have in the system. We are going to simulcasting so all repeaters needed a 10MHz reference input for the time base stability required to simulcast. As a result I have pulled non 10MHz reference input repeaters we had in service. This is the very last TKR-850 we were using and was used with an external controller however it does have internal control if desired. Not much more to say as it has worked well and been on the air over a decade. It is a version 1 that is tuned to the 447/442MHz band area right now. It is fully functional with power turned down to around 5 or 6 Watts at the present time. Rated at 25 Watts continuous duty, it has always driven an amplifier. $550 + actual shipping costs to your door CONUS 48. PayPal or Zelle preferred. Thanks for looking.?
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Re: 2175 Hz Voting tone encoder Board
For Motorola voters there needs to be 15 milliseconds (from my recollection) of silence right after the 2175 HZ tone drops (COR detected). If you don't have that period of silence, the voter AGC will not lock up (on the 2175 Hz reference level) , levels will be off and voting will be erratic. Huge mistake made by many trying to integrate Spectra-Tac and Digitac with other brand receivers. So your 2175 Hz encoder must have some sort of timer and audio gate to accomplish this. I don't think Motorola widely disseminated this information, and looking back, I doubt some /\/\ system engineers knew this was a potential issue.
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On Sun, May 4, 2025 at 06:37 PM, Stephen K3SEM wrote:
I¡¯ve used the Raytheon / JPS tone encoders on the SNV-12 systems. I¡¯m not sure how they will behave on the /\/\ system due to the on/off timing being different. That¡¯s the main problem with Moto voters, they do proprietary stuff to ensure you use their equipment on the other end.?
73¡¯²õ,
Stephen
K3SEM
-.. . / -.- ¡-- ¡ . --
On May 4, 2025, at 17:03, Chuk Gleason via groups.io <kb4mdz@...> wrote:
JPS has their Pilot Tone Generator module, PTG-10.?
Midian Electronics has their VTE-1, Voting Tone Generator.?
I've dealt with the JPS unit, very nice, easy to interface, works long time. Copacetic.?
Never had to chance to use the Midian so no opinion.?
Chuk?
KB4MDZ
?
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The Real RFI-EMI-GUY
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F/S Kenwood Nexedge 1800 repeater
I am relisting this with a bit more detail. ? I have a used but like new very lightly (less than 5 hours)Kenwood Nexedge NXR 1800 403-470MHz repeater available for sale. It is less than 8 months old, works 100%. ? It has the plastic protector on the display, and still has the rubber cover installed on the DB25 accessory port. ? The repeater has been in a climate controlled ?and dry environment (approx. 65 degrees with approx. 25% humidity). ? This will have the mounting kit, repeater, power cable, box and Kenwood user guide. ? It has also been mounting in a repeater cabinet with plenty of cooling, and dust free. ? I will offer free programming for analog? operation. ? I will ship for $1,550.00. See below for more details on this repeater. I do have another of this exact model that I am keeping, just don¡¯t need 2 of them. ? I will pack securely and ship insured for the price of a new one which goes for around $2,200 ? Thanks for looking. ? Key Features - Compact Analog FM Repeater
- Up to 40W of Output Power
- Clearly Visible 1.71" OLED Display
- IP Remote Management via Network Adapter
- SIP Phone Interface
- Up to 32 Channels
- Thermal-Controlled Cooling Fan
- USB-A for Accessories, DB25 for I/O
- Non-Repeat Simplex/Semi-Duplex Mode
- Includes Power Cable and Mounting Kit
? Save precious space with the?NXR-1800E?from?Kenwood, a compact, multi-mode analog UHF/VHF wireless repeater offering up to 32 channels and up to 40W of output power. With the crystal-clear OLED display and convenient remote management via the integrated IP network and RJ45 interface, this repeater makes it easy to maintain a stable 2-way radio environment.
? ?
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Re: 2175 Hz Voting tone encoder Board
I¡¯ve used the Raytheon / JPS tone encoders on the SNV-12 systems. I¡¯m not sure how they will behave on the /\/\ system due to the on/off timing being different. That¡¯s the main problem with Moto voters, they do proprietary stuff to ensure you use their equipment on the other end.? 73¡¯²õ, Stephen K3SEM -.. . / -.- ¡-- ¡ . --
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Show quoted text
On May 4, 2025, at 17:03, Chuk Gleason via groups.io <kb4mdz@...> wrote:
? JPS has their Pilot Tone Generator module, PTG-10.?
Midian Electronics has their VTE-1, Voting Tone Generator.?
I've dealt with the JPS unit, very nice, easy to interface, works long time. Copacetic.?
Never had to chance to use the Midian so no opinion.?
Chuk?
KB4MDZ
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Re: 2175 Hz Voting tone encoder Board
JPS has their Pilot Tone Generator module, PTG-10.?
Midian Electronics has their VTE-1, Voting Tone Generator.?
I've dealt with the JPS unit, very nice, easy to interface, works long time. Copacetic.?
Never had to chance to use the Midian so no opinion.?
Chuk?
KB4MDZ
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Re: Quantar Extender Cables
For MSR2000 repeater jerry VE3EXT
Bob, I found a couple of these while packing up for the Dayton
Hamvention. Is this the tool you're seeking? If not, do you know
what model this is for?
Lousy picture, sorry. Text reads "Motorola Base Station Products"
Duane
On 3/30/2025 9:25 PM, Bob KK6RQ via
wrote:
Actually, that's pretty f@#$ing clever. What I would REALLY
like to find, is the heavy nylon pry-tool that M made to pull
the modules out of the chassis.
What I currently use is a square wooden dowel and tap w/a
hammer from the rear.
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Re: 2175 Hz Voting tone encoder Board
JPS makes the PT-10 pilot tone encoder.
I have seen these used with both GE and Moto voting systems.
Simple hookup, audio ,COR, power
Milt
N3LTQ
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Re: 2175 Hz Voting tone encoder Board
You almost have it right.
The SS-32 encoder could be ordered for audible tones. It used the
"newer" programmable chip and had a 1 MHz crystal allowing it to
generate the audible tones. The sub-audible version used a
different crystal. There was no jumper - it either did audible or
sub-audible - but not both. I've used a few over the years.
Chuck
WB2EDV
On 5/4/2025 12:37 PM, Brandon DX via
groups.io wrote:
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Comm Spec made a tone encoder which in addition to the CTCSS
tones, had a jumper that allowed generating the group "B" tones
which included 2150, 2175 etc. I have a set of two rare GE MASTR
II UHF receivers from the factory that use the small Comm Spec
encoders to mix with audio feeding a GE Voter. I don't have
their part numbers, probably TS32 or similar but being NLA
finding one would be a challenge.? Motorola has some cards that
go in a Spectra Tac that might work but not easily adapted to
your needs.
?Reid
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Re: 2175 Hz Voting tone encoder Board
Comm Spec made a tone encoder which in addition to the CTCSS tones, had a jumper that allowed generating the group "B" tones which included 2150, 2175 etc. I have a set of two rare GE MASTR II UHF receivers from the factory that use the small Comm Spec encoders to mix with audio feeding a GE Voter. I don't have their part numbers, probably TS32 or similar but being NLA finding one would be a challenge.? Motorola has some cards that go in a Spectra Tac that might work but not easily adapted to your needs.
?Reid
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Re: Help with out of range programming a Motorola GP300
There is a program called ¡°Toolkit,¡± that will do many modifications to the GP300/P110 radio line, including changing band splits. ?
It is DOS, requires a real serial port, as well as a real parallel port. ?
Lots of really good information here:
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N4FOX
RFI-EMI-GUY
Brandon DX
Chris Boone WB5ITT
Pierre Martel