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Ham radio designates as QRP transmission carrying low power (5W or less) and QRPp those that are even smaller, 1W or less. As ham radio can legally use (depending on band privileges and categories of ...

Three chip antennas from Taoglas—the ILA.257, ILA.68, and ILA.89—provide Wi-Fi 6/7, ultra-wideband (UWB), and ISM ...

If you own a handheld transceiver of any type then the chances are it will come with a “rubber duck” style antenna. These ...

The 2026 3Y0K DXpedition aims to bring amateur radio to remote Bouvet Island, with team member Wolfgang HB9RYZ striving to ...

Looking up at the sky just after sunset or just before sunrise will reveal a fairly staggering amount of satellites orbiting overhead, from tiny cubesats to the International Space Station. Of course ...

A problem with the Mars Antenna, a giant NASA radio dish in California, has disrupted the Deep Space Network's spacecraft communication efforts, as well as asteroid studies, since Sept. 16, 2025.

Many believe that ham radio is dying with all of the modern communications technology. Not so. There are still three million hams around the world, a quarter in America.

Abstract: The acoustically excited antennas based on the piezo-electric effect (PE) have been shown to reduce the size of the long wave communication system transmitter (Tx) to 10 −4 of the wavelength ...

Abstract: The critical frequency of the ionospheric F2 layer (foF2), one of the essential channel parameters for high-frequency (HF) global communications via sky waves, shows significant variability ...