Norman Lathrop Enterprises | Norman Lathrop Enterprises
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Lathrop Report On Newspaper Indexes
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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION.
Click on a see also (sa) or tracing (xx) to view detailed entries about a related subject.
The entries are in alphabetical order by magazine name and then in chronological sequence.
To obtain a copy of any magazine article contact your local public library or the publisher.

sa   LORAN
sa   MAP

Triangulation instrument for locating position.
BOYS' LIFE Mar 1964 (v.54#3) pg. 80

Six ways to tell your direction night or day without a compass.
BOYS' LIFE Mar 1965 (v.55#3) pg. 32

How to find "north" without a compass.
BOYS' LIFE Aug 1976 (v.66#8) pg. 20

Three easy methods for finding a north-south line by shadows without a compass.
BOYS' LIFE Dec 1976 (v.66#12) pg. 64

How to use a map and compass.
BOYS' LIFE Jul 1978 (v.68#7) pg. 32

How to plot a latitude from polaris (the North Star). Includes directions for making a latitude plot board.
BOYS' LIFE Jul 1978 (v.68#7) pg. 52

Program to calculate the distance and direction (bearing) between two points on the face of the earth if you know the longitude and latitude of each. Written in BASIC.
BYTE Jul 1977 (v.2#7) pg. 118

Calculator airborne navigation. Program for the HP-24 calculator finds ground speed and true heading.
BYTE Nov 1979 (v.4#11) pg. 245
Correction BYTE Dec 1980 (v.5#12) pg. 296

Subroutine for a latitute and longitude calculation program allows the input data to be in degrees, minutes and seconds, or decimal degrees, or combinations thereof.
CQ. THE RADIO AMATEUR'S JOURNAL Aug 1983 (v.39#8) pg. 82
Correction CQ. THE RADIO AMATEUR'S JOURNAL Dec 1983 (v.39#12) pg. 6

How to find true North in order to properly orient a radio antenna, or for some other reason. Includes a BASIC computer program to tabulate the time of meridian passage for a full year.
CQ. THE RADIO AMATEUR'S JOURNAL May 1986 (v.42#5) pg. 29
Added Info CQ. THE RADIO AMATEUR'S JOURNAL Oct 1986 (v.42#10) pg. 6

FLIGHT PLAN computer program written in BASIC. Data on origin, destination, aircraft performance, etc. are input to the program. The output is a printed chart showing true course, magnetic course, distance, usable fuel, time and ground speed.

NAVPROG: an aircraft navigation and flight plan assistance program written in Benton Harbor BASIC.
Correction KILOBAUD MICROCOMPUTING #39 Mar 1980 pg. 191
Correction KILOBAUD MICROCOMPUTING #41 May 1980 pg. 17

How to navigate by the stars, using only a wrist watch, string and weight as tools.
MECHANIX ILLUSTRATED #561 Feb 1975 (v.71) pg. 50

Celestial navigation (astronavigation) program for the TRS-80 Pocket Computer.
MICROCOMPUTING Jun 1982 (v.6#6) pg. 112

How to use the sun to locate true north.
RADIO-ELECTRONICS Sep 1988 (v.59#9) pg. 12
Added Info RADIO-ELECTRONICS Nov 1988 (v.59#11) pg. 16
Added Info RADIO-ELECTRONICS Jan 1989 (v.60#1) pg. 22

Built a yardstick crossbow which allows angular distances to be measured directly on the sky with the naked eye. Similar to the nautical cross-staff and backstaff.
SKY & TELESCOPE May 1981 (v.61#5) pg. 417