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Calculate communication azimuth and great-circle distance
Longitude of sending point
Degree(s)
Minute(s)
Second(s)
Latitude of sending point
Degree(s)
Minute(s)
Second(s)
Longitude of receving point
Degree(s)
Minute(s)
Second(s)
Latitude of receving point
Degree(s)
Minute(s)
Second(s)
Calculation results:
The circle distance is {{gcdkm}}(km)
The azimuth angle from the sending point to the receiving point is {{btrdd}}Degree(s) {{btrdm}}Minute(s) {{btrds}}Second(s)
The azimuth angle from the receiving point to the sending point is {{brtdd}}Degree(s) {{brtdm}}Minute(s) {{brtds}}Second(s)
Algorithm source: Amateur Radio Communications 童效勇BA1AA 陈方BA4RC Appendix 18
Language translation: Bigsk (
Git Repo
)