Holger, ZL3IO will be active again as ZL7IO from Chatham Islands, IOTA OC - 038, New Zealand, in CQ WW DX CW Contest, 29 - 30 November 2025.

In this letter to the editor, the author comments on Ira Wilner’s reader letter, “For DX With SDRs, It’s Not the Same As It Was.” Radio World welcomes letters to the editor on this or any story. Email ...

Abstract: We consider a robust downlink beamforming optimization problem for secondary multicast transmission in a multiple-input multiple-output (MIMO) spectrum sharing cognitive radio (CR) network.

A piezo disk transducer is a handy part for reproducing beeps and boops, and can also function as a rudimentary microphone. Being a piezoelectric element, it can also generate usable power. Enough to ...

Several of this week's top games are playoff rematches from last year or this season.

STWD Starwood Property Trust, Inc.

Indianapolis Colts receiver Alec Pierce walked into the locker room Wednesday, took a peek a couple of lockers away and found an old friend, two-time All-Pro cornerback Sauce Gardner. It ...

A loaded NFL schedule produced results that didn't reveal much that wasn't already known.

The Williamsport Crosscutters Hot Stove Banquet returns to the Grand Ballroom of the Genetti Hotel in Williamsport on ...

NEW YORK — Peloton is recalling nearly 878,000 of its exercise bikes across the U.S. and Canada because the products' seat posts can break during use, posing fall hazards. According to notices ...