Weems & Plath Nautical Slide Rule Boat Viper 16 WASSP detects 120 points at

WASSP detects 120 points at a time

TIMEZERO stores the data received in the past 3 minutes (approximately)

the tune-up time is less than 3 seconds in any frequency on an HF marine band

SA to Beira

Weems & Plath Nautical Slide Rule Boat Viper 16 WASSP detects 120 points atThe Nautical Slide Rule offers a foolproof, immediate solution to all common speed time distance problems and is convertible to statute or nautical miles. It also allows the user to compute distance in yards if the speed is factored in knots. The Nautical Slide Rule is sometimes referred to as a Time Speed Distance Calculator. Immediate solution to all speed time distance problems Equally applicable for nautical or statute miles Speed in knots or mph;