Sentence examples for hf radio from inspiring English sources

And digital protocols for sending Teletype text messages via HF radio date from World War II.

Sporadic E layer is often determined for HF radio communication.

During the day an HF radio wave can reflect off the E, F1, or F2 layers.

But sailors can also send HF radio e-mail through what are known as marine single-sideband (SSB) frequencies.

Space weather events significantly affect the high frequency (HF) radio wave propagation.

HF radio and magnetic field changes were the first space weather problems experienced.

They have High Frequency (HF) radios and make daily progress reports.

The Australian contingent was equipped with PRC-F1 HF radios (manufactured by AWA), first issued to the Australian army in 1969.

The HF 1 radio aerial of the aircraft was positioned in the left wing tip suggesting that the left wing tip was intact at this time.

HF-band radio frequency identification (RFID) is a wireless form of communication.

HF and VHF radio communication are vulnerable to atmospheric interference, thus having blind coverage areas and poor confidentiality.