Meet the Garmin GPS73 Handheld GPS — a rugged, floating navigator built for boats, sailboats, or any small watercraft that lacks a chartplotter. It also serves as a dependable emergency navigation backup for every vessel. With a high-sensitivity GPS receiver, it locks onto satellites quickly and maintains your position even under heavy tree cover or in challenging terrain.
Key features
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1,000 waypoints and 100 tracks store your favorite spots and planned journeys for fast return.
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50 routes for streamlined trip planning on water or land.
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SailAssist with a virtual starting line, heading line, countdown timers, and tack assist to optimize sailing performance.
- Race-ready tools like a virtual starting line and countdown timer to help you cross on time.
- Built-in celestial data including sunrise/sunset, hunting and fishing calendar, ETA, and marine calculations.
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High-contrast, backlit display with dedicated back-light buttons for easy readability in all lighting conditions.
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NMEA 0183 compatibility for data transfer to your computer via USB.
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IPX7 waterproof and it floats, ready for wet adventures.
- Long battery life: up to 18 hours on two AA batteries (not included).
- Memory and logs: 10,000 track log points across 100 tracks, plus straightforward data transfer via USB.
Specifications and usability
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Dimensions: 2.6 in x 6.0 in x 1.2 in
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Display: 1.4 in x 2.1 in (2.6 in diagonal); 128 x 160 pixels; 4-level gray LCD
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Display type: High-contrast, backlit for easy readability
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Battery: 2 AA batteries (not included)
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Water rating: IPX7
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Interface: Serial and USB
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Maps & memory: 1,000 waypoints; 50 routes; 10,000 track points; 100 tracks
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Navigation data: Sunrise/sunset, area calculations, hunting/fishing calendar, ETA, and marine data
What's in the box
- GPS 73 handheld
- Lanyard
- Quick start manual
| Dimensions |
2.6in x 6.0in x 1.2in (6.6 x 15.2 x 3.0 cm) |
| Display size |
1.4in x 2.1in (3.6 x 5.4 cm); 2.6in diag (6.6 cm) |
| Display resolution |
128 x 160 pixels |
| Display Type |
4 level gray LCD c |
| Battery |
2 AA batteries (not included) |
| battery life |
+18 hours |
| Water rating |
IPX7 |
| High-sensitivity receiver |
Yes |
| Interface |
Serial and USB |
| Maps and Memory |
| Waypoints/favorites/locations |
1,000 |
| Routes |
50 |
| Track log |
10,000 points, 100 tracks |
| Outdoor Features |
| Hunt/fish calendar |
Yes |
| Sun and moon information |
Yes |
| Area calculation |
Yes |