Experimental Radio News 9

A petition exposes the obscure world of high-frequency trading. Additional experiments and demos include spacecraft that pursue other spacecraft, 5G TV, asset tracking, hypersonic flight, drone defense and emergency cell sites. And - we take a skeptical look at a jammer requesting FCC authorization.

Experimental Radio News 9
One of the maps depicting high-frequency transmission performance, from the Shortwave Modernization Coalition.

Welcome back. We’ve often reported on High-Frequency Trading (HFT) stations licensed as experiments under FCC Part 5 rules. The new petition from Shortwave Modernization Coalition (SMC) seeks to permit non-experimental operation of such stations under Part 90 rules. Part 90 covers the business, safety and utilitarian uses of radio.

Experimental HFT stations transmit time-sensitive financial data between the U.S. and foreign exchanges. The petition reveals more about these ventures, though nothing about their individual strategies or message contents. Shortwave listeners have observed peculiar signals thought to be from these stations.

This post is for subscribers only

Already have an account? Sign in.

Subscribe to Experimental Radio News

Don’t miss out on the latest issues. Sign up now to get access to the library of members-only issues.