Qatar ARS and AMSAT-DL announce Phase 4 satellite payload

A collaboration between the Qatar Amateur Radio Society, the Qatar Satellite Company, and AMSAT-DL has resulted in the announcement of a geostationary amateur radio payload aboard the proposed Es’HailSat-2 commercial satellite.

Due to be launched in 2016, the satellite will provide communications services to the Middle East and North Africa region from a position at 26 degrees East. Additionally, the satellite will include two 2.4 GHz to 10.45 GHz transponders dedicated for amateur use. One transponder will be approximately 250 kHz wide, and will be for traditional narrowband modes such as SSB and CW. The second will be 8MHz wide and designed for experimental DVB and data modes. Coverage is expected over the entire footprint.

Es'Hailsat-2 coverage

Es’Hailsat-2 coverage

While this payload will not service North America, the project is an important step into high orbit, and may open the door for additional opportunities in other orbital positions.

AMSAT-DL webpage via Google Translate


$50SAT now designated Morehead OSCAR-76

Congratulations to the $50SAT team as their satellite has received an OSCAR number, Morehead OSCAR-76, or MO-76.

$50SAT is a joint effort involving Professor Bob Twiggs, Morehead State University, Howie DeFelice, AB2S, Michael Kirkhart, KD8QBA, and Stuart Robinson, GW7HPW.

More information on the satellite can be found at and on the AMSAT website.

$50SATMore information on obtaining an OSCAR number for your satellite can be found here.

Cubesats Deployed from ISS

Friday February 28 at 0730Z, several cubesats were deployed from the International Space station.litsat deploy

Perhaps of most interest to radio amateurs are Lithuania’s first satellites, LituanicaSAT-1 and LitSat-1.

LituanicaSAT-1 carries an FM repeater with a 145.950 MHz uplink and 435.180 MHz downlink, a 9600 baud AX25 packet system with a 145.850 MHz uplink and 437.550 MHz downlink, and a CW beacon on 437.275 MHz. Detailed information may be found at  and

LitSat-1 carries a linear transponder of unknown bandwidth and with a reported uplink of 435.180 MHz and downlink of 145.950 MHz, a AX25 packet system with a 437.550 MHz uplink and 145.850 MHz downlink. Limited additional information can be found at and .

UAPSAT is Peru’s third satellite, and will transmit AX25 packet telemetry and an audio message on 145.980 MHz. It is unclear whether there will be a two-way capability. Additional information via Google Translate at

ArduSat-2 and SkyCube are also included in this deployment.

Update on DELFI-N3XT transponder test

A follow-up to our previous news on the DELFI-N3XT transponder test was received via e-mail today:

Dear all,

Today we did a first transponder test. We could hear the beacon, but unfortunately did not hear anything back from our calls. Also we were missing the noise floor of the transponder band. Our hypothesis is that our adjustable LO (Si570) which is mixed with the IF band could not be programmed correctly and hence the pass-band goes outside our filtered band (which is a good thing, because we do not want to transmit on illegal frequencies). This LO is adjustable by I2C communication and should be programmed each time at power up (so each time the transponder mode is activated. We will do two attempts more tomorrow at the morning ground passes and even if that doesn’t help we will keep on trying with different settings. If the situation changes I will update you again.

Best regards,

Jasper, PC4JB