Though a diverse range of payloads have been carried by these satellites over the years, the majority of amateur radio satellites have featured transponders working in the VHF and UHF spectrum.

for the last year or two amateurs have had their own geostationary satellite transponder. Called Es’hail-2 / AMSAT Phase 4-A / Qatar-OSCAR 100, it lies in the geostationary orbit at 25.9° East ...

This allows a number of multiplexes to be transmitted from each satellite and a wider range of services to be broadcast. The term transponder is often interchanged with multiplex. This is ...

For this purpose, the transponders are remotely aligned towards the satellite by a two-axis positioner. The transponder concept is based on a two-antenna design ensuring a small time delay between ...

2). In this approach, the content is divided and transmitted via single 21-GHz-band satellite transponder, two 12-GHz-band satellite transponders, and internet (IP) network; signals transmitted ...

The limitation is on the carrier level; each telecom must secure a deal with a satellite provider. Samsung Galaxy S25 phones ...

Passive Integrated Transponder (PIT ... ways that just a generation ago would have seemed unfathomable. Radio and satellite telemetry have revealed a lot about animal movements, but are limited ...

Doha, Qatar: Es’hailSat, the Qatar Satellite Company, has signed a multi-year multi-transponder deal with the public broadcaster of Morocco, Société Nationale de Radiodiffusion et de Télévision (SNRT) ...

which enable its customers to optimize their satellite networks by either reducing satellite transponder lease costs or increasing data. To read this article on Zacks.com click here.

Doha, Qatar: Es’hailSat, the Qatar Satellite Company, has signed a multi-year multi-transponder deal with the public broadcaster of Morocco, Société Nationale de Radiodiffusion et de ...