NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Practical Haversine Use (with logs)
From: Robin Stuart
Date: 2021 Nov 17, 12:52 -0800
From: Robin Stuart
Date: 2021 Nov 17, 12:52 -0800
Tony,
log log a1/b = log log a - log b
For a = 237 and b = π this is
-0.12153 = 0.37562 - 0.49715 giving a1/b = 5.70041
Also
log log ab = log log a + log b
For a = 52.37 and b = 2.75 this is
0.67463 = 0.23530 + 0.43933 giving ab = 53392
Regards,
Robin