pl23_theb2279.jpg
![Range-range navigation lattice generated by Attu-Semichi stations theb2279.jpg Range-range navigation lattice generated by Attu-Semichi stations](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb2279.jpg)
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
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