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Re: Does anyone have a manual or schematic for the Helper Instruments PS 250
Mike, I found that page on rptrbldr also. Its not much but better than nuthin. Thanks for the bit of history. I didn't know that before. I have one of the Helper millivoltmeters. It sure works
By w7fdd · #214012 ·
Re: Testing a WACOM WP-678-R2 with a Nanovna-F
<— 3dB fixed attenuator.
By Ramesh Dhami &#92;(VA3UV&#92;) · #214011 ·
Re: Testing a WACOM WP-678-R2 with a Nanovna-F
*Hello, Chris Boone WB5ITT!* *Is the service monitor better than a NANO VNA for cavity tuning?* Na quarta-feira, 19 de mar?o de 2025 às 17h16, Chris Boone WB5ITT escreveu:
By pu5aom.t@... · #214010 ·
Re: Testing a WACOM WP-678-R2 with a Nanovna-F
*Hello,* *What would a 3 dB pad be?*
By pu5aom.t@... · #214009 ·
Re: VHF Range 2 Quantar
Its nice to have the Quantar channel selector module when programming a bunch of frequencies to test.
By Mike · #214008 ·
Re: VHF Range 2 Quantar
I’m surprised it didn’t work. I have a range 2 in 146.13/73 Works perfect. No mods. Will
By willpower1234 · #214007 ·
Re: VHF Range 2 Quantar
First program a number of receive and transmit frequencies so you can write down the current VCO voltage on a table before modification. Then use a proper size tuning tool and try giving the lower
By DCFluX · #214006 ·
Re: VHF Range 2 Quantar
I have a spare R1 RX module. Contact me offlist Ken
By Ken Arck AH6LE · #214005 ·
VHF Range 2 Quantar
Friends, I have a gold colored VHF Range 2 Quantar on my bench.? I am using RVN5002 Version R14.10.00.? My Quantar is currently programmed for frequencies in the mid-150s.? After powerup the RX
By Jeff Acree · #214004 ·
Re: Steps to setup a MTR2000 internal repeater mode
If you need help, I'll email you my cell and can walk you thru it with my RSS open [email protected]> wrote:
By Chris Boone WB5ITT · #214003 ·
Re: Steps to setup a MTR2000 internal repeater mode
You don't change it in the service windows. In your last picture where it shows messages, click on edit and then if I recall station... That's where you change frequency, etc. [email protected]>
By Chris Boone WB5ITT · #214002 ·
Re: Does anyone have a manual or schematic for the Helper Instruments PS 250
I have a helper rf voltmeter that I've picked up at a ham swapmeet for $5.00..still works but needs calibration.
By MILLIN SEE · #214001 ·
Re: Steps to setup a MTR2000 internal repeater mode
No option to change channel info when you read the system and now I got a red light
By TheCuecat · #214000 ·
Re: Steps to setup a MTR2000 internal repeater mode
By TheCuecat · #213999 ·
Re: Does anyone have a manual or schematic for the Helper Instruments PS 250
The only info I've ever found on that supply is here: https://www.repeater-builder.com/test-equipment/helper/pdfs/final-catalog.pdf It's on page 5 or 6... I used to use one back in the mid to late
By M M · #213998 ·
Re: Bluemax 49 crap cable and mtr2000
I ran across this issue.... 1.? Read the original codeplug and save it to another name. 2.? Open the codeplug you just saved.? It should have "personality" at top of screen.... make your changes
By nh6bf · #213997 ·
Re: Bluemax 49 crap cable and mtr2000
I just bought a BluMax cable and plugged in to my WinXP/32 laptop.? I can read/write an MTR-2000 just fine.? A friend has another MTR-2000 with BluMax cable with Win7/32 and he cannot read or
By nh6bf · #213996 ·
Re: Bluemax 49 crap cable and mtr2000
As others have said MTR2000's CPS only runs on a Windows 32bit OS. I have a Windows 10 Pro 32bit installation that works fine using a USB to Serial adapter, I have an old Windows XP Pro computer with
By K1IMD · #213995 ·
Re: Bluemax 49 crap cable and mtr2000
Most likely you have the unit setup as a reciever... hafta change it into repeater mode..cant remember where the setting was for this
By MILLIN SEE · #213994 ·
Re: Bluemax 49 crap cable and mtr2000
I emailed blue max for a return but have better and worse news at the same time. made my own cable with the db9 cable. Worked like a charm. issue arises…. can read the station and see all the stuff
By TheCuecat · #213993 ·