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![NOAA helicopter supporting Raydist tower installation theb2311.jpg NOAA helicopter supporting Raydist tower installation](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb2311.jpg?itok=_fDUH_4k)
Description
NOAA helicopter supporting Raydist tower installation.Party off of SURVEYOR (Image credit: NOAA)
Credit
NOAA
Display Date
1977
Location
Prince William Sound area, Alaska
Collection
Historic Coast & Geodetic Survey
Nautical Charting
Navigation
High & Medium Frequency Navigation Systems
Keywords
Charting
Navigation
Electronic
HF and MF Systems