On Sun, 27 Nov 2016 18:54:08 -0000 (UTC), Raymond Spruance III wrote:

Can a plastic protractor substitute for a sextant for our purposes?

Here are PDF almanacs:
http://thenauticalalmanac.com

Tools needed should all be on Android for free:
a. sextant (tutorial https://www.youtube.com/watch?v=qsErtrttJsY)
b. artificial horizon (tutorial https://www.youtube.com/watch?v=B5Ud9iPW-yk)
c. almanac (tutorial https://www.youtube.com/watch?v=p6znyx0gjb4

For example:
A. Android Sextant App by Talltree Softwa
https://play.google.com/store/apps/d...tor.nightsky20

B. Aircraft Horizon Free by Sensorworks
https://play.google.com/store/apps/d...fthorizon_free

C. Google Sky Map:
https://play.google.com/store/apps/d...roid.stardroid