https://mt-shortwave.blogspot.com/2009/11/new-frequency-for-bbc-hindi-service.html
Shortwave Central: New frequency for BBC Hindi service
Effective 17th November 2009, BBC has swapped 7205 kHz with 7395 kHz. BBC Hindi is now on 7395(ex-7205) kHz 1400-1500 hrs while 7205 kHz(ex-...
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https://azino777bng.web.app/bellows67894me/poker-italia-24-new-frequency-hotbird-zej.html
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https://www.nist.gov/publications/optically-pumped-fir-laser-lines-ch3oh-new-laser-lines-frequency-measurements-and
Optically Pumped FIR Laser Lines from CH3OH: New Laser Lines, Frequency Measurements, and...
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