Saturday, December 31, 2016

Chinese Radar on 40 Meters

Following up on last month's story about the return of Russian over-the-horizon radar on the HF ham
(CIA World Factbook)
bands (although without the level of interference caused by the Russian "woodpecker" a few decades back), the International Amateur Radio Union (IARU) that a Chinese over-the-horizon radar system is now transmitting on 6.999 MHz, with a 10-kHz-wide signal that sometimes covers up the very low end of the 40-meter amateur band. 

The ARRL Letter also reports on 40-meter QRM from military stations in Kyrgyzstan and Radio Eritrea (as well as a jamming signal from Ethiopia).