A new cubesat designed and built by trainees at the US Naval Academy promises to change all that, because it will feature an all-HF transponder with a 15m (21MHz) uplink and a 10m downlink.

The term transponder is often interchanged with multiplex. This is technically incorrect as a transponder is just a set of equipment that operates at a particular frequency and both receives and ...

Pirate Transponders are a valuable item that players can use for trading or increasing their standing with the Guild.

Passive Integrated Transponder (PIT) tags help scientists track individual organisms by providing a reliable lifetime 'barcode' for an individual animal. Aa Aa Aa An important aspect of ...