Real nice Fred. If it has meters, it is a RS-35M.  No meters is RS-35A. 
  You can adjust the output voltage on these things if needed, but most 
likely it is fine.

73 and enjoy, Steve  KW3A

On 2/22/2011 3:57 PM, Fred Adams wrote:
> Steve, thanks much.  According to your description I have a RS-35.  It has
> 24 fins and 4 transisters and is just like new.
> ----- Original Message -----
> From: "Steve Forst"<[log in to unmask]>
> To:<[log in to unmask]>
> Sent: Tuesday, February 22, 2011 3:02 PM
> Subject: Re: Astron power supply
>
>
>> Fred,
>>
>> In my last post i referred to the larger supply first as a 35 amp, then
>> as a 30 amp.   It is a rs-35, which i think is rated at 30 amps constant
>> and 35 surge.   The smaller one is rs-20 which is 17 amps constant and
>> 20 amps surge.
>>
>> They also have larger and smaller supplies, but these are the 2 I have
>> here.   Hope you at least got a rs-35 which will give you all the power
>> you will likely need.
>>
>> 73, Steve KW3A
>>
>> On 2/22/2011 2:53 PM, Steve Forst wrote:
>>> Fred,
>>>
>>> I do have a 20 amp and a 35 amp in the shack.   The 20 amp has 12 fins
>>> on the rear heat sink and 2 transistors mounted in the gaps between the
>>> fins.
>>>
>>> The 30 amp has 24 fins and 4 transistors  in the gaps between the fins.
>>>
>>> There might be a better way to tell, but hope this helps.
>>>
>>> 73, Steve KW3A
>>>
>>> On 2/22/2011 2:31 PM, Fred Adams wrote:
>>>> I recently picked up a large Astron power supply but the owner had no
>>>> paperwork on it.  Do any of you guys know if there is any way to tell
>>>> the
>>>> size?  I believe it is a 30 or 35 amp supply but I do not know for sure.
>>>> Thanks much,
>>>>
>>>>
>>>>
>>>> Best wishes,
>>>>
>>>>
>>>> FRED C. ADAMS W4HC
>>>> THE HOUR IS LATE AND
>>>> THE NIGHT IS FAR SPENT
>>>>
>>>
>