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Release 2.2.6:
By John A. Magliacane <kd2bd@amsat.org> (20-May-2020):
* The installer program has been replaced by a bash script that
configures, compiles, and installs PREDICT and several companion
client utility applications.
* The SingleTrack and MultiTrack displays have been modified for
more consistent performance across a wider range of terminals.
* PREDICT's "vocalizer" now employs the Advanced Linux Sound
Architecture (ALSA) environment instead of OSS in response
to recent changes in v5.6 and later Linux kernels.
* The handling of geosynchronous and geostationary satellites
has been improved, but still needs to be used with caution.
* 100 MHz normalized downlink Doppler shift information has been
added to all -p and -f command-line outputs.
* The documentation and the transponder database file have been
updated, and the format of the man page has been corrected.
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Release 2.2.5:
By John A. Magliacane <kd2bd@amsat.org> (05-May-2018):
* Fixed coding bugs identified by GCC v8.1.0.
* Re-arranged GCC arguments in installer.c for better
compatibility with more recent versions of GCC.
* Added a -dp command-line option to PREDICT to
provide quick Doppler shift estimates in CSV format.
(Thanks Joeal Subash)
* Updated the documentation to reflect the changes.
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Release 2.2.4:
By John A. Magliacane <kd2bd@amsat.org> (12-Mar-2018):
* Fixed a bug affecting the -f switch that sometimes caused
a failure to return proper output. (Tnx: Andrej Lajovic)
* Fixed a bug in installer.c that sometimes caused a failure
to properly install PREDICT's executable into /usr/local/bin
by default.
* Added <errno.h> header to gsat-1.1.0/src/callbacks.c
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pkglint -r --network --only "migrate"
As a side-effect of migrating the homepages, pkglint also fixed a few
indentations in unrelated lines. These and the new homepages have been
checked manually.
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pkglint -Wall -F --only aligned --only indent -r
No manual corrections.
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predict is a curses based satellite tracking/orbital prediction program
PREDICT provides real-time satellite tracking and orbital prediction
information to users and client applications in a variety of ways:
Through the system console
Through the command line
Through a network socket
Through the generation of audio speech
Data such as a spacecraft's sub-satellite point, azimuth and elevation
headings, Doppler shift, path loss, slant range, orbital altitude,
orbital velocity, footprint diameter, orbital phase (mean anomaly),
squint angle, eclipse depth, the time and date of the next AOS (or LOS
of the current pass), orbit number, and sunlight and visibility
information are provided on a real-time basis. PREDICT can also track
(or predict the position of) the Sun and Moon. PREDICT also has the
ability to control AZ/EL antenna rotators to maintain accurate
orientation in the direction of communication satellites. As an aid in
locating and tracking satellites through optical means, PREDICT can
articulate tracking coordinates and visibility information as plain
speech.
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