The ARRL already has complained to the FCC that so-called “grow light” ballasts can generate severe interference on the HF bands. According to a recent article in The Coloradoan, retired electrical engineer Tom Thompson, W0IVJ, first noticed interference on 40 meters at his location in Boulder a couple of years ago. So, he coupled his own portable receiving loop with a direct-conversion receive…
American Radio Relay League | Ham Radio Association and Resources
The ARRL has formally complained to the FCC, contending that a “grow light” ballast being widely marketed and sold is responsible for severe interference to the MF and HF bands. The League urged Commission action to halt sales of the Lumatek LK-100 electronic ballast and to recall devices already on store shelves or in the hands of consumers. In a March 12 letter to the Commission’s Enforcement…
American Radio Relay League | Ham Radio Association and Resources
What started out in 2000 as “The Big Project,” an initiative of past ARRL President Jim Haynie, W5JBP, continues to grow today as the ARRL Education & Technology Program (ETP). The program aims to boost “wireless technology literacy” among US students and educators by providing cost-free instructional resources, Teachers Institutes on Wireless Technology and grants for school Amateur Radio stat…
American Radio Relay League | Ham Radio Association and Resources