This is a clip of my first satellite contact which occurred on so50 using my mobile radio kenwood tmv71 and a mag mount, dual band antenna diamond mr. The way this page works is that it downloads the selected satellites predicted position from the predict engine for the next 3 hours. Azimuth and elevation are the local coordinates and they inform the position on the sky where the observer should look to see the satellite or to point out his antenna. For that to take place, it is necessary that the following factors are present at the same time. A layer must exist above libffi that handles type conversions for values passed between the two languages. It is a terrible terrible hack, something that should not ever. Amsatna vp operations drew glasbrenner ko4ma reports on fridays ihu crash on the amateur radio satellite ao51. This system is receiving updates from rhn classic or red hat satellite. Saudisat 1c is a saudi arabian picosatellite that was launched by a dnepr rocket from baikonur at 17. The tracking system refreshes the information each time you select a satellite. So50 carries several experiments, including a mode j fm amateur repeater experiment operating on 145.
An ondemand satellite earth observation imagery retrieval and. Libffi has been ported to many different platforms. To subscribe to the libffi announce mailing list, enter your email address. Libffi download apk, eopkg, ipk, rpm, tgz, txz, xz, zst. But you must have a very good power supply for the kerberossdr. So50 satellite information so50 carries several experiments, including a mode j fm amateur repeater experiment operating on 145. Operation is a little more complex that some other satellites since the transponder needs to. Simon 2e0hts has released a video that shows him making contacts via the amateur radio satellite so50.
This satellite carries an fm transponder that receives signals on 145. Saudisat 1c or so50, saudioscar 50 carries several experiments, including a mode j fm amateur repeater experiment operating on. So50 carries several experiments, including an amateur radio repeater. Period is the time that the satellite takes to complete an orbit around the earth, counted from perigee to perigee. Its available for general amateur use, and described below are the operating techniques and equipment used to access it. The way this page works is that it downloads the selected satellite s predicted position from the predict engine for the next 3 hours. To switch the transmitter on, you need to send a ctcss tone of 74. Disconnect antennas and optionally connect the included 4x 50 ohm. It seems that the assembly is not working with the newer clang 4. This happened after a few days of intermittent and unpredictable operation.
Sometime between 1815 and 1945z november 25, ao51s ihu crashed. The libffi library really only provides the lowest, machine dependent layer of a fully featured foreign function interface. The position of the satellite will update when the satellite moves 12 degree in either latitude or longitude. The libffi library provides a portable, high level programming interface to various calling conventions.
Weekly satellite report there have been unconfirmed reports on the amsatbb remailer that so50 has shifted downlink frequency as much as 5khz up. The repeater is available to amateurs worldwide as power permits, using a 67. Mark n8mh and i reset the satellite and started the repeater back up around 2030z, and lowered the. The primary fm voice mode for so50 is workable with dual.
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