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MTR sensitivity mods
(9)
All, I've finally found the time to make the mods to the BPFs and the LM4808. I've compared it against the previous mod of a 10uF cap across the LM386 and

david_vk3il
9
posts
3:35 AM

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New to forum question about purchase
(4)
There are three Steve Weber transceiver designs available as kits from Hendricks QRP Kits (qrpkits.com): the PFR3 portable field radio (40-30-20), the Weber

Shirley Márquez Dúlcey
4
posts
7:54 PM

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MTR ver 2 (3-bander)
(3)
All, I've now updated my version of the firmware to fix this bug and uploaded it to my blog if anyone wants to reflash their MTR2. MTR 2 firmware - new

david_vk3il
3
posts
5:47 PM

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New MTR5b
(45)
Okay, I found something called a "Scroll wheel" which is a flat, low profile encoder with a center TACT switch. It's kinda big, 21mm in dia (.826") and a

Steven Weber
45
posts
Feb 24

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Input voltage of MTR
(5)
No, not really. Mine is MTR v1 dual band 20/40, so it doesn't have that feature to reduce power with tune mode. I don't want to push the output power to the

Steven Weber
5
posts
Feb 24

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Where to buy power plug for MTR
(5)
Ralph, That part number from Radio Shack is what I need. Thanks. I will check a local store on my way home tonight. Chris On Mon, Feb 23, 2015 at 1:02 PM,

Chris
5
posts
Feb 23

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ATS4-B display problem
(3)
The split button is working. A row of the display has stopped working. See photo attached. Re: [AT_Sprint] ATS4-B display problem If the display is otherwise

Fred Maas
3
posts
Feb 17

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MTR V2 extremely low power on transmit
(11)
Since the problem most probably was in my homebrew RF probe, I built instead an AA5TB qrp power meter http://www.aa5tb.com/qrpmeter.html and gave it a try.

yu1wc
11
posts
Feb 14

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What's next Steve?
(6)
The ATS3s are among my favorite rigs (I have an A and a B). I have chosen to operate them entirely in the spirit of their trail radio genetics -- never at more

Mark Langenfeld
6
posts
Feb 12

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ATS III Upgrade?
(5)
I would like to drop a note in here about the benefits of having the older ATS 3 and would not want to upgrade it because I would lose the option of switching

mantermeadows
5
posts
Feb 12

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ATS3B Firmware Flash Instructions ISO
(6)
... When you start the Debug session it does the load and verify but also automatically does a "run to main". i.e. to the first line of your code. It stops

Colin Tuckley
6
posts
Jan 17

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3 band MTR to be commercially available.
(33)
Steve, I understand and respect your decisions. I work in the (competitive) CAD/CAM software industry and we rely on a hardcore group of Beta testers to flush

paulh_boats
33
posts
Jan 16

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ATS-4b - schematic point "QSK"
(3)
Thanks I suspected it was a mislabel.

wa7ncl
3
posts
Jan 11

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New MTR 2 firmware features
(10)
Glenn, Mike, et al., Mike pointed out a minor bug in my updated code (see his comments on my blog) which I've now fixed, so you may like to update the code

david_vk3il
10
posts
Jan 9

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MTR 2 gain mod measurements
(4)
Steve, Thanks for giving this some thought, it sounds like a very promising improvement. Please let me know when you've had time to confirm the values so I

mikepenzo
4
posts
Jan 6
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