Davis Mark 3 Marine Sextant [011] Entertainment | Stereos The TLA100 is compatible with

The TLA100 is compatible with both the American standard (240-33 ohm) and the European standard (10-180 ohm) resistive senders

Included With Purchase:

with significant increase in performance at 50 kHz

Allowing for easy one-handed docking and removal of your iPhone 11

Universal mounting patterns make it backwards compatible with the most popular bilge pumps on the market

Davis Mark 3 Marine Sextant [011] Entertainment | Stereos The TLA100 is compatible withMark 3 Marine Sextant Sometimes referred to as a "lifeboat" sextant, the Mark 3 is an inexpensive training sextant. Yet this model has taken sailors around the world, too! It is full sized and has sunshades, but no optical magnification to help you find dim celestial bodies. Comes with instruction booklet. Owner's Manual (pdf)