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![Range-range navigation lattice generated by Attu-Semichi stations theb2279.jpg Range-range navigation lattice generated by Attu-Semichi stations](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb2279.jpg?itok=zyFUUnPL)
Description
Range-range navigation lattice generated by Attu-Semichi stations.First purely electronic navigation lattice used by C&GS.;Electronic navigation lattice developed by party off of EXPLORER (Image credit: Association of Commissioned Officers)
Credit
Association of Commissioned Officers
Display Date
1945
Location
Alaska, Attu Island, Aleutian Islands
Collection
Historic Coast & Geodetic Survey
Nautical Charting
Navigation
High & Medium Frequency Navigation Systems
Keywords
Charting
Navigation
Electronic
HF and MF Systems