Tobias Burch – författare

GPS Backup with a Mark 3 Sextant

All Instructions and Tables Included; For Any Ocean, on Any Date; No Background in Celestial Navigation Required.

Barometer Handbook

Modern Marine Weather

From Time-honored Traditional Knowledge to the Latest Technology

Radar Workbook

Tidal Currents of Puget Sound

Burch at the Helm - Navigation & Weather Articles from the Pages of Blue Water Sailing Magazine

Navigation Workbook 1210 Tr

For Power-Driven and Sailing Vessels

Navigation Workbook 18465 Tr

For Power-Driven and Sailing Vessels

Navigation Workbook For Practice Underway

For Power-Driven and Sailing Vessels

Star Finder Book

A Complete Guide to the Many Uses of the 2102-D Star Finder

Modern Marine Weather

From Time-honored Traditional Knowledge to the Latest Technology

Use of the Air Almanac For Marine Navigation

With a Comparison to the Nautical Almanac and Extended Discussion of the Sky Diagrams

Barometer Handbook

A Modern Look at Barometers and Applications of Barometric Pressure