[Elecraft] Computers in the Stone Age

[Keith Onishi]

My first MS-DOS, actually PC-DOS, machine was IBM Convertible, the first IBM laptop machine, with 2 2DD 3.5" FDD drives and LCD display without backlight.
I bought the machine when I was in US for my business trip. I worked with it when I was out of office.
The machine was actually made by a Japanese manufacturer with IBM logo.

73 de JH3SIF, Keith

2014/05/29 20:19、Mike Reublin <nf4l at nf4l.com> のメール：

> Yes! Dr. DX is in my top 5 list of all-time great software.
> 
> Mike NF4L
> 
> On May 28, 2014, at 8:06 PM, Randy Farmer <w8fn at tx.rr.com> wrote:
> 
>> And does anybody remember the Doctor DX cartridge for the Commodore 64 from AEA? That was an amazing piece of work. I used one to train for a trip to J6 for CQWW CW in 1991.
>> 
>> 73...
>> Randy, W8FN
>> On 5/28/2014 2:44 PM, Charlie T, K3ICH wrote:
>>> Don't forget how revolutionary the Commodore VIC-20 was with all of 3.2 K of RAM.  We (Microlog) made a plug in called the AIR-1 for the VIC that allowed CW & RTTY communications. I wrote a complete production test program in BASIC that required no other test equipment but plugging in the AIR-1 and running the tape loaded test program.  It checked the CW copy, aligned the AFSK generator and verified CW & PTT keying, all in that 3.2 K of RAM with neat graphic indicators on the screen for the production testers.
>> 
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