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Help Identify Kit

 

Reply from Dave Benson, dead in the water unless someone actually still has those parts placement drawings.

Hi Richard-

Unfortunately, what you have there is a drink coaster. My documents were created on an early-vintage Mac. I had a parts placement illustration at one point, but it's missing in action.. Macintosh also replaced the original MacDraw with MacDraw II- totally incompatible. The computer is long gone and with it, my documents. I briefly weighed the idea of buying the Mac layout software... until I discovered it cost $1K. I moved to Windows.

73- Dave, K1SWL

73, Richard AG5M


On Monday, March 24, 2025 at 06:14:23 AM PDT, kb1gmx via groups.io <kb1gmx@...> wrote:


While the 40+ is the same schematic the board layout is very different.
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Check with Dave Benson K1SWL he is in QRZ.
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--
Allison
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Please, private email goes to bit bucket
 

With the schematic (in the QST article) and the actual board in hand I think you should be able to reverse your way into a parts placement diagram. Especially if you go stage-by-stage, using ¡°obvious¡± parts as landmarks, like ICs.
 

I¡¯m not intending to be obnoxious or anything, but isn¡¯t there anyone on the list who actually built one of these kits back in the day and can just take a picture of the assembled board?

Brian
N4TRB


On Mon, Mar 24, 2025 at 21:19 Matt W6CSN via <w6csn=[email protected]> wrote:
With the schematic (in the QST article) and the actual board in hand I think you should be able to reverse your way into a parts placement diagram. Especially if you go stage-by-stage, using ¡°obvious¡± parts as landmarks, like ICs.
 

This is the closest I have come, as this is the same board I have. Problem is, while many components are pretty obvious, what are the values of the 21 resistors and numerous capacitors shown in their respective holes? Same for the transistors (might be able to figure that one out) and how many turns on the cores, and which core goes where, the cores are not all the same. Oh well, it was a long shot. 73, Richard AG5M


On Monday, March 24, 2025 at 07:18:12 PM PDT, Brian N4TRB via groups.io <brpjournalist@...> wrote:


I¡¯m not intending to be obnoxious or anything, but isn¡¯t there anyone on the list who actually built one of these kits back in the day and can just take a picture of the assembled board?

Brian
N4TRB


On Mon, Mar 24, 2025 at 21:19 Matt W6CSN via <w6csn=[email protected]> wrote:
With the schematic (in the QST article) and the actual board in hand I think you should be able to reverse your way into a parts placement diagram. Especially if you go stage-by-stage, using ¡°obvious¡± parts as landmarks, like ICs.
Pete WB9FLW
 

The original article is available on groups.io qrptech files
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NEQRP 72 Magazine also had the Article in their April 1994 issue
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Parts Layout for 40 and 30 meters can be found on FAR Circuits
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They also have the PCB for $7.00
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Pete WB9FLW
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Edited

Actually I did build one before I had a license for someone.? Didn't retain the manual
as it was his.? He is now SK by over a decade.
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And it seems someone found that missing peice, the arts layout.? Good show Pete!
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The above is the magic information.
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--
Allison
--------------------------
Please, private email goes to bit bucket
 

WOW! Bingo, the treasured missing piece of information. I had all but given up but now having a fighting chance to bring this thing to life. THANK YOU! Other things on the bench for now but when I get back to it I'll report my progress. 73, Richard AG5M


On Tuesday, March 25, 2025 at 06:08:23 AM PDT, Pete WB9FLW via groups.io <zx97lite@...> wrote:


The original article is available on groups.io qrptech files
?
?
?
NEQRP 72 Magazine also had the Article in their April 1994 issue
?
?
?
Parts Layout for 40 and 30 meters can be found on FAR Circuits
?
?
?
They also have the PCB for $7.00
?
Pete WB9FLW
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