https://spacewatch.global/tag/hf-radio-wave/ AN INDEPENDENT PERSPECTIVE ON SPACE Fri, 20 May 2022 07:00:25 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 https://spacewatch.global/wp-content/uploads/2024/09/SpaceWatchGlobal-Sign-90x90.png https://spacewatch.global/tag/hf-radio-wave/ 32 32 https://spacewatch.global/2022/05/darpa-launch-ionosphere-insights-mission-to-improve-radio-transmissions/ Fri, 20 May 2022 07:00:25 +0000 https://spacewatch.global/?p=41075 The Defense Advanced Research Projects Agency (DARPA) is launching the Ouija program to provide new insights into high-frequency (HF) radio wave propagation in the ionosphere with the help of sensors on low-orbiting satellites.  HF radio transmissions are important to military systems across all domains including space, air, ground, and maritime.]]>