[Johnson] Johnson 500 Power Supply

[AA8K73 GMail]

And you would have the satisfaction of building your own.  You 
can use modern technology and components that should last a long 
time.

You won't be afraid of servicing it if something fails in the 
future.  A great project.  No RF, just straight forward.


On 2/21/23 09:32, Bill Cotter wrote:
> Ronnie,
> 
> While you are searching for the holy grail power supply, 
> consider building your own power supply and modulator. You can 
> use the layout of the '500 chassis or create your own design.
> 
> There are parts (mod iron, power iron, chokes, caps, tubes, etc) 
> available all over. Dayton is coming up, Shelby later this year, 
> and ads in QTH-SWAP. Your construction may not be the select 
> specimen of museum curators, but you will have the satisfaction 
> of operating one of the best transmitters that Johnson produced.
> 
> 73 Bill N4LG
> 
> 
> At 06:31 PM 2/20/2023, Ronnie Hull wrote:
>> ONE more try. PLEASE…  I KNOW someone has one out theree they 
>> can part with. Whats with all the hoarders?  I need a 500 
>> power supply/modulation deck.  At this point Im ready to even 
>> pay an exorbitant amount for freight shipping to get one. Cmon 
>> man.. someone has one. Ronnie W5SUM Sent from Mail for Windows 
>> ______________________________________________________________