[vcf-midatlantic] 1968 Longley-Rice model in Fortran IV

Dave McGuire mcguire at neurotica.com
Mon Dec 26 20:35:21 UTC 2022

On 12/25/22 09:25, Mike Markowski via vcf-midatlantic wrote:
> I just subscribed to the list last week, still getting a feel for topics 
> and hope this one is of interest.  I was recently looking into the RF 
> propagation model by Anita Longley and Phil Rice, still widely used 
> after a half century.

   Last I checked, Maxwell's equations haven't changed. ;)

> Going from one old report to another, I found the 
> original 1968 CDC-3600 Fortran IV source code as an appendix in a 
> report.  After correcting the many OCR errors with O/D/0/Q, I/l/1 and 
> similar, I posted about it to the PiDP11 mailing list.  Several folks 
> joined in and the code now runs on several old OSes in addition to F77 
> if you want to run it on linux.  The output is, well, admittedly not as 
> fun as a game, but if you want some contemporary code for your retro 
> computing or happen to also be an EE working in RF, it is at
> https://udel.edu/~mm/itm/

   Oooh!  Very nice work.  We'll get that running on real iron at LSSM. 
Screw games...life's too short, and the real world is much more interesting.

   Excellent work.


Dave McGuire, AK4HZ
New Kensington, PA

More information about the vcf-midatlantic mailing list