Update: 2017-05-09. Hits:
Computer control of transmission provides
not only for commercial meteor links, but also for Amateur Radio
Scatter users. For this purpose I collected bits and pieces and
together in a one package. Compact MS-Soft has been the most
and wide spread software written for Ham Radio Meteor Scatter
1990s. This project began in 1982 on Commodore VIC-20 and C-64
and upgrades have required hundreds of hours of work. Now the data
and updating/data distribution takes some 30 hours / year, plus
may take to fix or change the receiving setup and the software if
changes cause such need. Several har disks have been consumed, 4th
laptop is taking the data and another 4th laptop is transferring
the data for real-time web viewing.
No major changes are in sight and it looks
version 5.x is pretty much the thing it has eventually evolved.
I have used my time only for updating the data files. This is
to promote the use of Meteor Scatter propagation mode and create
on VHF bands. I was proud to receive the 1996 Lindell's Prize
achievements in Ham Radio from SRAL, the Finnish Radio Amateur
The 5.2 version has no CW transmission or sked editor. They
stripped off for lack of need and lack of compiler memory while
Statistics on MS-Soft users based on
information in 1998.
See the latest
release at this site and get the zip
if it has been updated. The software is written with DOS complier,
runs under anything that can run DOS programs: from Windows
3.x, to Windows
Shower peak prediction calculator
Geometry calculation with: radiant
efficiency, path loss, expected T-wait, ZHR and HR
Viewer for measured raw data (MSDATA)
ZHR history bar graphs from 1980
Graphs on daily average counts for each
in 1994...1996 .
User maintainable shower parameter list
Plenty of meteor shower information
and with Windows 7 and up, using DosBox
under the handy D-Fend Reloaded user interface.
Shower prediction quality control?
The past beahavior of meteor showers, specially that of the
do not reflect their future behavior in a simple way. Only the
models of meteor stream trailet evolution have proven to give
results so far on some 5 showers (Leonids, Perseids, a-Aurigids
and Ursids) regarding their outburst behavior. The rest of the
are expected to behave much like on previous years because the
model can not be used since the parent comet is either on a short
orbit or is not known at all. This is the long story in short form.
the best of the predictions produced by the models are only as
as weather predictions are and for some tricky cases there are no
methods, if you don't count mere intuition on predicting their
such as the Quadrantids shower with it's periodic variations.
MS-data on 12 major showers are annually
on the website in January. Showers on the list are either annual
Lyrids, eta-Aquariids, Arietids, zeta-Perseids,
Orionids, Leonids, Geminids or outbursters with low
Leonids and Ursids.
The MSDATA receiving setup was changed in
1998, November 1998, February 1999, January 2000, August 2013 and
October 2014. The statiosn receivd now are OIRT band FM station
from heading south, that shut off during night time hours and a
low powered 50 MHz ham radio beacon a bit too close for meteors
from north, which also brings occationally some AuE propagation
to become detected. The detection levels changed too many tomes
to keep track and the scaling to original 1990's counts have no
longer been done. The longest reflection parameter
suffered from wide band FM modulation for this cause it's
discontinued in Nov. 1998. The raw data is scaled
from raw data to xxx.M files, but no longer matches data taken
with the old setup 1993
to 1997 for comparison viewing with MS-Soft.
Click here to see
screens the different software versions produces.
(120 kb GIF animation).
Copyright 1997... 2017 Ilkka