Category: Space

via HACKADAY: Full Earth Disc Images From GOES-17 Harvested By SDR

We’ve seen lots of hacks about capturing weather images from the satellites whizzing over our heads, but this nicely written how-to from [Eric Sorensen] takes a different approach. Rather than capturing images from polar satellites that pass overhead a few times a day, this article looks at capturing images from GOES-17, a geostationary satellite that looks […]

via the ARRL: Three BIRDS Constellation CubeSats Delivered to ISS for Orbital Deployment

A Cygnus resupply mission to the International Space Station (ISS) on April 11 also delivered three CubeSats of the BIRDS-3 constellation and three other CubeSats. The BIRDS-3 constellation is a project of students at the Kyushu Institute of Technology. The additional CubeSats include Swiatowid, KrakSat, and EntrySat. All BIRDS-3 CubeSats are of the same design and have […]

via the ARRL: Amateur Radio in Space Pioneer Astronaut Owen Garriott, W5LFL, SK

The US astronaut who pioneered the use of Amateur Radio to make contacts from space — Owen K. Garriott, W5LFL — died April 15 at his home in Huntsville, Alabama. He was 88. Garriott’s ham radio activity ushered in the formal establishment of Amateur Radio in space, first as SAREX — the Shuttle Amateur Radio […]

via the ARRL: AMSAT-India Successfully Launches APRS Satellite

The Automatic Packet Reporting System (APRS) payload on AMSAT-India’s AISAT-1 satellite is operational on 145.825 MHz following a successful April 1 launch on the PSLV-C45 mission. The payload was powered up on schedule over Europe, and AMSAT-India announced that DK3WN was able to digipeat through the satellite. AMSAT-India requests that radio amateurs use the payload and SatGates to […]

via the ARRL: AMSAT Comments in FCC Orbital Debris Mitigation Proceeding

AMSAT has told the FCC that several proposed rule changes related to the mitigation of orbital debris would have an extremely detrimental effect on both the Amateur Satellite Service and AMSAT’s ability to launch and operate new satellites, including AMSAT’s upcoming GOLF satellites. AMSAT filed comments on April 5 on an FCC Notice of Proposed Rule Making (NPRM) in […]

via the ARRL: More ARISS SSTV Transmissions Scheduled

ARISS-Russia is planning to transmit slow-scan television (SSTV) images from the International Space Station. Transmissions will begin on April 11 at approximately 1800 UTC and run continuously until approximately 1800 UTC on April 14, 2019. A computer in the ISS Russian Segment stores images that are then transmitted to Earth using the ARISS Amateur Radio […]

via HACKADAY: Eavesdropping On Cosmonauts With An SDR

Usually when we hear about someone making contact with astronauts in orbit, it’s an intentional contact between a ham on the ground and one of the licensed radio amateurs on the ISS. We don’t often see someone lucky enough to snag a conversation between ground controllers and a spacecraft en route to the ISS like this. For […]

via the ARRL: ARISS Seeks Hosts for Ham Radio Contacts with Space Station Crew Members

Starting on April 1, Amateur Radio on the International Space Station (ARISS) will accept applications from US schools, museums, science centers, and community youth organizations (working individually or together) interested in hosting contacts with orbiting crew members on the International Space Station (ISS). Contacts will be scheduled between January 1 and June 30, 2020. Each […]

via the ARRL: Slow-Scan TV Transmissions from International Space Station Set for April 1 – 2

Cosmonauts on the International Space Station will transmit slow-scan television (SSTV) images on April 1 – 2 as part of its International MAI-75 experiment, aimed at combining the efforts of universities and radio amateurs in Russia and the US to develop technology and technical tools that enable students to communicate and collaborate with cosmonauts and astronauts. SSTV […]

via HACKADAY: Es’hail-2: Hams Get Their First Geosynchronous Repeater

In the radio business, getting the high ground is key to covering as much territory from as few installations as possible. Anything that has a high profile, from a big municipal water tank to a roadside billboard to a remote hilltop, will likely be bristling with antennas, and different services compete for the best spots […]

via the ARRL: German Radio Amateur Successfully Sends 2.5 mW OPERA Signal via Es’hail-2

Markus Vester, DF6NM, recently used the digital mode OPERA to send a 2.5 mW signal through the 2.4 – 10 GHz transponder of the Es’hail-2 (QO-100) geostationary satellite. OPERA is a “slow” digital mode for very weak signal work that enables the exchange of call signs and signal reports. According to a post on the Digital Radio […]

via the ARRL: KickSat-2 is Alive and Being Tracked

For the first couple of days after the 3U KickSat-2 was deployed from Cygnus NG-10 last November, nothing was heard from the satellite. But in a February 16 post to AMSAT-BB, Nico Janssen, PA0DLO, reported receiving several short and weak transmissions from KickSat 2 — short telemetry bursts on 437.5077 MHz. Assistant Professor of Aeronautics and Astronautics at […]

via the RSGB: Geostationary satellite transponder active

The geostationary amateur radio narrowband transponder on the Es’hail-2/QO-100 was made available for amateur experimental use on the afternoon of Tuesday, 12 February 2019. The 250kHz bandwidth transponder uses the 2.4GHz band for the uplink with the downlink in the 10.45GHz band and should provide communications over a wide portion of the globe. Potentially both Brazil […]

via the ARRL: AO-85 Turned Off due to Return of Eclipse Periods and Poor Battery Condition

The Fox-1A (AO-85) CubeSat has been turned off until further notice due to return of eclipses and poor battery condition, control operator Mark Hammond, N8MH, has announced. In December, AO-85 experienced precarious battery voltage drops during eclipse periods; it’s believed that the batteries suffered degradation due to heat during previous no-eclipse periods, making it difficult […]