GPS and GNSS for Land Surveyors, Fifth Edition

$84.54

GPS for Land Surveyors

$171.95

Barometer Altimeter Compass LCD Digital Thermometer Watches-Hygrometer Weather Forecast Hand-Hold Hiking Flashlight Altimeter

$73.9

Garmin Xero® C1 Pro, Compact Chronograph, Simple Set Up, Precise Readings, Versatile Performance

$249.99

Digital Altimeter Barometer, Multifunctional Barometer Altimeter Thermometer Metric Altitude Monitor, Digital Handheld Altimeter with Backlight for Outdoor Sports

$39.95

Garmin Xero C1 Pro Chronograph with FPS Reading for Range Shooting, Compact Design, Precise Readings, Versatile Performance Bundle with Accessories

$234.3

Laser Measure with Digital Angle Display, Mileseey by RockSeed 165 Feet with Electronic Level Control,M/in/Ft Unit Switching Backlit LCD and Pythagorean Mode, Measure Distance, Area, Volume

$109.99

Garmin Instinct 2S, Smaller-Sized GPS Outdoor Watch, Multi-GNSS Support, Tracback Routing, Graphite, 40 MM

$199

Ayayu Multifunction Digital Altimeter, Waterproof Handheld GPS Navigator Tracker with Mini Torch, Electronic Barometer Thermometer Compass for Camp Climb Hike

$37.96

[Industry-Grade Beidou+GPS AHRS IMU] WTGAHRS2 MPU9250 10-axis Accelerometer+Gyroscope+Angle(XY 0.05° Accuracy)+Magnetometer+Air Pressure+Latitude+Longitude+Ground Speed, Navigation System

$18.5

Sun Company Altimeter 203 - Battery-Free Altimeter and Barometer | Weather-Trend Indicator with Rugged ABS Case and Lanyard | Reads Altitude from 0 to 15,000 Feet

$34.99

LAD WEATHER Altimeter Watch Barometer Digital Compass Thermometer Weather Monitor Climbing Trekking Camping Hiking Outdoor (Black/Grey)

$19.49

Pinpoint: How GPS Is Changing Technology, Culture, and Our Minds

$47.32

Sun Company Altimeter 202 - Battery-Free Altimeter and Barometer | Weather-Trend Indicator with Soft Leather Case | Reads Altitude from 0 to 15,000 Feet

$25.32

AIOMEST Digital Anemometer, AI-5000G Handheld Wind Speed Meter 360° Wind Measurement, High Accuracy Sensor with Large Screen, Rechargeable, Touch Buttons for Shooting, Sailing, Surfing, Drone

$29.99

The Complete Garmin G1000: A Pilot's Handbook

$25.49

TopTes TS-301 Digital Anemometer, Wind Speed Meter with 2.26-inch Big Backlight LCD Screen, Air Flow Meter for Sailing Surfing Drone Flying RC Plane Golf Shooting HVAC

$14.99

Sky-Watcher AZ-EQ5 – Fully Computerized GoTo German Equatorial, Alt-AZ Telescope Mount, and dual-OTA telescope – Computerized Hand Controller with 42,900+ Object Database

$87.75

Laser Measure, atolla Laser Distance Meter (196Ft M/In/Ft) up to 60m/±2mm Accuracy with Mute Function, Waterproof IP54, Bubble Level, LCD Backlit for Pythagorean Mode, Measuring Distance, Area, Volume

$199.99

GOTICAL Military UTM/MGRS Coordinate Scale Map Reading and Land Navigation Topographical Map Scale, Protractor and Grid Coordinate Reader Pairs with Compass and Pace Counter Beads by GOTICAL

$12

Celestron - NexStar 90SLT Computerized Telescope - Compact and Portable - Maksutov-Cassegrain Optical Design - SkyAlign Technology - Computerized Hand Control - 90mm Aperture

$197.7

JINYISI Altimeter, Altimeter for Hiking, Four-in-one Multi-Function Barometer, Outdoor Mountaineering Compass Thermometer, Sports Multi-Function high Precision

$42

Garmin zumo 396 LMT-S, Motorcycle GPS with 4.3-inch Display, Rugged Design for Harsh Weather, Live Traffic and Weather

$139.99

Learning OpenTelemetry

$3.09

Dead Reckoning Computers for Air Navigation: History -- design -- inventors

$1.85

Laser Measure,MiLESEEY 165 Feet Laser Measurement Tool with 2 Bubble Levels, ±1/16inch Accuracy, M/in/Ft Unit Switching, Backlit LCD and Pythagorean Mode, Measure Distance, Area and Volume (D5T-50M)

$26.99

Garmin Edge® 1040, GPS Bike Computer, On and Off-Road, Spot-On Accuracy, Long-Lasting Battery, Device Only

$19.95

Clatoon Anemometer Handheld, Light Weight Digital Wind Speed Meter, Wind Speed Temperature Gauge with Digital LCD Display for Kite Flying, Meteorology, Fishing, Surfing

$15.95

Laser Measure,MiLESEEY 328 Feet Laser Measurement Tool with 2 Bubble Levels, ±1/16inch Accuracy, M/in/Ft Unit Switching, Backlit LCD and Pythagorean Mode, Measure Distance, Area and Volume (D5T-100M)

$24.6

Laser Measure,DEGLASERS 165 Feet Laser Measurement Tool with Dual Angle Display,M/in/Ft Unit Switching,Larger Backlit LCD, Measure Distance, Area and Volume,Pythagorean Mode

$79.99

ZIPLEVEL PRO-2000B High Precision Altimeter with 75-Feet Cord and User Guide

$80.49

Handheld GPS Survey Equipment, BEVA GPS Land Measuring Instrument, Mini Handheld GPS Units for Mountainous Land, Slope and Flat Field

$67.77

ZIPLEVEL PRO-2000 High Precision Altimeter with Unipod, Protective Boot, Anchoring Stakes, and User Guide

$39.99

Handheld Anemometer Update Wind Meter with 360° Rotation Any Wind Direction for Measuring Wind Speed, Temperature with LCD Backlight for Shooting, Drone Flying- RQ-881M

$14.99

CYCPLUS Bike Computer GPS Wireless, ANT+ Cycling Computer GPS with Bluetooth, Multifunctional ANT+ Bicycle Computer GPS with 2.9 LCD Screen, Bike Speedometer with Auto Backlight IP67

$29.95

CYCPLUS Bike Computer GPS Wireless, ANT+ Cycling Computer GPS with Bluetooth, Multifunctional ANT+ Bicycle Computer GPS with 2.9 LCD Screen, Bike Speedometer with Auto Backlight IP67

$44.94

CYCPLUS Bike Computer GPS Wireless, ANT+ Cycling Computer GPS with Bluetooth, Multifunctional ANT+ Bicycle Computer GPS with 2.9 LCD Screen, Bike Speedometer with Auto Backlight IP67

$36.99

Mastering GPS Flying

$39.95

Mini Handheld Digital Oscilloscope, Support Persistence, PWM, 14 Type Measurement, 40MSa/s Sampling Rate, 18MHz Bandwidth, Signal Generator Frequency 500Khz, 2.4” LCD Display

$165.99

SUNROAD GPS Tracker Barometer Altimeter Compass Weather Forecast Thermometer Barometric Pressure Tester GPS Route Tracking Multifunctional Meter

$79.95

Garmin Edge 830 Sensor Bundle, Performance Touchscreen GPS Cycling/Bike Computer with Mapping, Dynamic Performance Monitoring and Popularity Routing, Includes Speed and Cadence Sensor and HR Monitor

$12.99

Celestron - NexStar 127SLT Computerized Telescope - Compact and Portable - Maksutov-Cassegrain Optical Design - SkyAlign Technology - Computerized Hand Control - 127mm Aperture

$249.95

Garmin Edge 540, Compact GPS Cycling Computer with Button Controls, Targeted Adaptive Coaching, Advanced Navigation and More

$449.99

Laser Measure, MiLESEEY 330Ft Laser Distance Meter, Rechargeable Multifunctional Laser Measurement Tool with Pointfinder Camera,P2P Technology, Perfect for Outdoor Long-Range Measuring (App Version)

$14.49

TimeFlys Audio Baby Monitor Portable, Two-Way Talk, Long Range up to 1000 ft, Temperature Monitoring and Warning, Lullabies, Vibration, LCD Display

$12.97

Multifunctional Barometer Altimeter Thermometer Metric Altitude Monitor with Backlight, Portable Size, Simple Operation for Climbing Camping Outdoor Sports

$0.01

Laser Measure with Digital Angle, Ogeto 165 Feet Laser Distance Meter with Electronic Level Control, M/in/Ft Unit Switching Backlit LCD and Pythagorean Mode, Measure Distance, Area and Volume

$16.79

Learning Opentelemetry: Setting Up and Operating a Modern Observability System

$79.49

Garmin Edge 840, Compact GPS Cycling Computer with Touchscreen and Buttons, Targeted Adaptive Coaching, Advanced Navigation and More

$329.99

Garmin Edge 130 Speed and Cadence Bundle, Compact and Easy-to-use GPS Cycling/Bike Computer, Includes Additional Sensors (Renewed)

$280.4

Oscilloscopes: A Manual for Students, Engineers, and Scientists

$5.76

Oscilloscopes: A Manual for Students, Engineers, and Scientists

$72.98

Govee Bluetooth Hygrometer Thermometer, Wireless Thermometer, Mini Humidity Sensor with Notification Alert, Data Storage and Export, 262 Feet Connecting Range

$19.99

Dynamite GPS Speed Meter 2.0 DYN4403 Radio Telemetry

$79.99

Digital Altimeter Barometer, Handheld Compass Altimeter Barometer Thermometer LCD Backlit Display Portable Weather Tracker Outdoor Wind Speed Temperature Meter for Hiking Camping Climbing

$42

Garmin Edge 1030 Plus, GPS Cycling/Bike Computer, On-Device Workout Suggestions, ClimbPro Pacing Guidance and More

$13.99

Laser Measure 196ft, Charcity Laser Distance Meter 60M(M/in/F) with 2 Bubble Levels, Mute Function IP54 Waterproof Large LCD Backlit, for Pythagorean Mode, Measuring Distance, Area, Volume

$29.99

COOSPO Bike Computer GPS Wireless, ANT+ Cycling Computer GPS with Bluetooth, Multifunctional ANT+ Bicycle Computer GPS with 2.4 LCD Screen, Bike Speedometer with Auto Backlight IP67

$29.99

GPS For Dummies, 2nd Edition

$56

ZD 2068 GPS Tracker Barometer Altimeter Outdoor Compass Weather Forecast Electronic Thermometer Barometric Pressure Tester GPS Route Tracking Digital Multifunctional Meter

$83.99