![]() Energy Levels of OH Diatomic molecules like OH have numerous energy levels as they not only have electronically excited levels, but they can also vibrate and rotate. Emission frequently manifests itself as maser emission which is of specific interest. Hydroxyl (OH) can be observed both in emission and absorption. W3 is an enormous stellar nursery about 6200 light-years away in the Perseus Arm, one of the Milky Way galaxy's main spiral arms, that hosts both low- and high-mass star formation. In his most recent work Job has managed to detect the W3 star forming region at the Hydroxyl (OH) frequency of 1665.405 MHz. He has done things like mapped the galaxy via the Hydrogen line, observed red supergiant stars, imaged a supernova remnant, detected a Pulsar, and measured the basis for the dark matter hypothesis. Over the past few years we've seen a lot of interesting observations coming from Job's Radio Telescope, which is Job Geheniau's 1.5m dish connected to an RTL-SDR (with additional filters and LNAs). Listening in on Hollywood Reality TV Show Wireless Microphones with an RTL-SDR ExtIO with Decimation & Tuner Bandwidth Controls.Manual gain controls and decimation driver.Measuring Traffic Volumes with Passive Radar.SignalsEverywhere Direction Finding Tutorial.Measuring Filter Characteristics & VSWR.Performing Replay Attacks with RTL-SDR and RpiTX. ![]() QRP (FT8, JT9, WSPR etc) Monitoring Station.Decoding 433 MHz ISM Band Weather Stations.GOES 16/17 and GK-2A Weather Satellite Tutorial. ![]()
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