superhigh frequency
noun
su·per·high frequency
ˈsü-pər-ˌhī- 
: a radio frequency in the next to the highest range of the radio spectrum see Radio Frequencies Table
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“Superhigh frequency.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/superhigh%20frequency. Accessed 30 Oct. 2025.
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