Re: micromuf

[Thomas Beierlein]

Am Mon, 10 Feb 2020 21:28:18 +0100
schrieb Csahok Zoltan <address@hidden>:

> While working on improving the handling of WWV messages
> I did some digital archeology and found that the propagation
> display (Ctrl-P) is a straight port of MICROMUF.PAS, a MUF/LUF tool
> from the 80s. It was originally written in Basic then translated
> to Pascal. Here one can still find both:
> Xs://archives.scovetta.com/pub/simtelnet/msdos/hamradio/
> (replace X with http. I'm unable to post mails with links...)
> 
> I suggest to include the original credits to our source.

Good idea. As you have the details can you please provide a proposal
for it.

> 
> The Pascal version compiles on a 3.7 MHz Z-80 board in 8 seconds
> and drawing the chart takes ~45 seconds. Not that what you'd want
> to do during a contest. Those were different days...
> 
I myself started with an 2MHZ Z-80 homemade system with 2 kB ROM and 2kB
RAM doing assembly by hand. What times....

73, de Tom

> For those interested in seeing CP/M and Turbo Pascal 3.01A in action
> here is a 2 min screen recording:
> X://ha5cqz.info.tm/Screencast_micromuf.mp4
> At the end I swithed to TLF's Ctrl-P screen with the same settings
> for comparison.
> 
> This page gives a good review of propagation prediction programs
> X://www.astrosurf.com/luxorion/qsl-review-propagation-software-dos.htm
> 
> 
> 73,
> Zoli
> 
> 



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