Thomas R. Metcalf

ID:762
First Name:Thomas R.
Last Name:Metcalf
Last Change:2017-08-12
Number of Files:4 (398th most prolific)
Number of Downloads:23,582 (459th most downloaded)

Almanac   (details) 48 ENG   9KB/6KB
Program to do celestial navigation. It computes a position fix from observations of any number of celestial bodies using a least squares fit to the altitude of the bodies as a function of time. The routine does all the standard corrections for dip, refraction, parallax etc. as well as correcting for motion of the observer between sights.
By Thomas R. Metcalf. 2008/08/11

Celestial Navigation 4.3   (details) 48 ENG   25KB/21KB
ScreenshotComputes a position fix from observations of any number of celestial bodies using a least squares fit to the altitude of the bodies as a function of time. The routine does all the standard corrections for dip, refraction, parallax etc. as well as correcting for motion of the observer between sights.
By Thomas R. Metcalf. 2017/08/12

NAV48 Tricks   (details) 48 ENG   17KB
Shortcuts and tricks for Sparcom's Celestial Navigation Pack.
By Thomas R. Metcalf. 1998/01/09

Sparcom Celestial Navigation Pac 2.5.1   (details) 49/50 48 ENG   6101KB/128KB
ScreenshotThis is the Sparcom Celestial Navigation Pac based on the celnav.lib by the original author. The package contains a dump of the original card for use in HP 48 emulators or on a memory card, the port of the software to the 49/50 as a library, and the scanned manual as a PDF. The dump is compatible with the 48SX/48GX; the library is compatible with the 49g+/50g. Redistributed with the permission of the family of Dr. Thomas Metcalf.
By Thomas R. Metcalf and Eddie C. Dost. 2012/12/25

Part of the HP Calculator Archive,
Copyright 1997-2017 Eric Rechlin.