Garmin GA 38 GPS/GLONASS Antenna (010-12017-00)
Garmin GA 38 GPS/GLONASS Antenna (010-12017-00)
Model Number: 010-12017-00
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Tech Specs
Garmin GA 38 GPS/GLONASS Antenna for Enhanced Marine Navigation
Introduction
The Garmin GA 38 GPS/GLONASS Antenna (model 010-12017-00) is an external antenna designed to boost GPS and GLONASS signal reception for marine and outdoor navigation. This accessory increases signal strength by up to 40%, delivering faster positioning fixes and improved accuracy when mounted on vessels, fishing platforms, or remote installations where standard onboard antennas fall short.
Key Features
- Dual-band GPS/GLONASS reception with up to 40% signal strength boost
- Reduces GPS signal acquisition time by up to 50% for quicker location locks
- Compact 5.5-inch diameter footprint, engineered for space-constrained installations
- Ultra-lightweight at 0.5 lbs for easy handling and secure mounting
- IPX7 waterproof rating, protecting against rain and saltwater spray
- Compatible with Garmin GPSMAP series, GPS 152, and AIS 600 Blackbox Transceiver
- Operates on minimal power consumption for extended periods without draining battery reserves
Data Insights
Real-world testing demonstrates that the GA 38 reduces time-to-first-fix (TTFF) by approximately 50%, a measurable advantage when operating in challenging environments or after extended periods without a signal lock. The dual-band architecture processes both GPS and GLONASS satellite networks simultaneously, delivering consistent positioning accuracy even in dense canopy areas, narrow canyons, or areas with limited satellite visibility. This multi-constellation approach substantially outperforms single-band antennas in edge-case scenarios where signal obstruction is common.
Usage Instructions
Mount the GA 38 in an elevated location with clear, unobstructed sky visibility for optimal performance. Connect the supplied cable to a compatible Garmin chartplotter or navigation device, ensuring the connection is tight and secure. Avoid placing the antenna behind metal structures or large cabins that block incoming satellite signals. Verify your Garmin device firmware is current to ensure full antenna compatibility and feature access.
Design & Material
The GA 38 features a clean, dome-shaped design in white that integrates discreetly into marine installations. The construction prioritizes durability and corrosion resistance in salt-air environments through material selection and weatherproofing.
- UV-resistant polymer shell maintains structural integrity under prolonged sun exposure
- IPX7 waterproof rating protects internal circuitry from rain, spray, and minor submersion
- Lightweight composite construction at 0.5 lbs eliminates installation strain on mounting brackets
- Includes versatile mounting brackets accommodating pole, flush-deck, and elevated installations
- White finish reflects solar heat, reducing internal component temperature during extended use
- Sealed connectors prevent moisture ingress while maintaining reliable signal transmission
Final Verdict
The Garmin GA 38 antenna solves a common navigation pain point: weak or intermittent GPS locks in challenging marine and outdoor conditions. The documented 50% reduction in acquisition time and 40% signal boost directly translate to faster course plotting, safer navigation, and reliability when you need it most. If your Garmin chartplotter or navigation device is already installed, upgrading to an external antenna like the GA 38 delivers measurable performance gains without replacing your primary equipment. Install the GA 38 now to eliminate dead zones and dead time in your navigation workflow.
In The Box
Manual & Warranty
Garmin Warranty
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
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Ask a Question
Tech Specs
Garmin GA 38 GPS/GLONASS Antenna for Enhanced Marine Navigation
Introduction
The Garmin GA 38 GPS/GLONASS Antenna (model 010-12017-00) is an external antenna designed to boost GPS and GLONASS signal reception for marine and outdoor navigation. This accessory increases signal strength by up to 40%, delivering faster positioning fixes and improved accuracy when mounted on vessels, fishing platforms, or remote installations where standard onboard antennas fall short.
Key Features
- Dual-band GPS/GLONASS reception with up to 40% signal strength boost
- Reduces GPS signal acquisition time by up to 50% for quicker location locks
- Compact 5.5-inch diameter footprint, engineered for space-constrained installations
- Ultra-lightweight at 0.5 lbs for easy handling and secure mounting
- IPX7 waterproof rating, protecting against rain and saltwater spray
- Compatible with Garmin GPSMAP series, GPS 152, and AIS 600 Blackbox Transceiver
- Operates on minimal power consumption for extended periods without draining battery reserves
Data Insights
Real-world testing demonstrates that the GA 38 reduces time-to-first-fix (TTFF) by approximately 50%, a measurable advantage when operating in challenging environments or after extended periods without a signal lock. The dual-band architecture processes both GPS and GLONASS satellite networks simultaneously, delivering consistent positioning accuracy even in dense canopy areas, narrow canyons, or areas with limited satellite visibility. This multi-constellation approach substantially outperforms single-band antennas in edge-case scenarios where signal obstruction is common.
Usage Instructions
Mount the GA 38 in an elevated location with clear, unobstructed sky visibility for optimal performance. Connect the supplied cable to a compatible Garmin chartplotter or navigation device, ensuring the connection is tight and secure. Avoid placing the antenna behind metal structures or large cabins that block incoming satellite signals. Verify your Garmin device firmware is current to ensure full antenna compatibility and feature access.
Design & Material
The GA 38 features a clean, dome-shaped design in white that integrates discreetly into marine installations. The construction prioritizes durability and corrosion resistance in salt-air environments through material selection and weatherproofing.
- UV-resistant polymer shell maintains structural integrity under prolonged sun exposure
- IPX7 waterproof rating protects internal circuitry from rain, spray, and minor submersion
- Lightweight composite construction at 0.5 lbs eliminates installation strain on mounting brackets
- Includes versatile mounting brackets accommodating pole, flush-deck, and elevated installations
- White finish reflects solar heat, reducing internal component temperature during extended use
- Sealed connectors prevent moisture ingress while maintaining reliable signal transmission
Final Verdict
The Garmin GA 38 antenna solves a common navigation pain point: weak or intermittent GPS locks in challenging marine and outdoor conditions. The documented 50% reduction in acquisition time and 40% signal boost directly translate to faster course plotting, safer navigation, and reliability when you need it most. If your Garmin chartplotter or navigation device is already installed, upgrading to an external antenna like the GA 38 delivers measurable performance gains without replacing your primary equipment. Install the GA 38 now to eliminate dead zones and dead time in your navigation workflow.
In The Box
Manual & Warranty
Trade-In
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
Overview
Garmin GA 38 GPS/GLONASS Antenna for Enhanced Marine Navigation
Introduction
The Garmin GA 38 GPS/GLONASS Antenna (model 010-12017-00) is an external antenna designed to boost GPS and GLONASS signal reception for marine and outdoor navigation. This accessory increases signal strength by up to 40%, delivering faster positioning fixes and improved accuracy when mounted on vessels, fishing platforms, or remote installations where standard onboard antennas fall short.
Key Features
- Dual-band GPS/GLONASS reception with up to 40% signal strength boost
- Reduces GPS signal acquisition time by up to 50% for quicker location locks
- Compact 5.5-inch diameter footprint, engineered for space-constrained installations
- Ultra-lightweight at 0.5 lbs for easy handling and secure mounting
- IPX7 waterproof rating, protecting against rain and saltwater spray
- Compatible with Garmin GPSMAP series, GPS 152, and AIS 600 Blackbox Transceiver
- Operates on minimal power consumption for extended periods without draining battery reserves
Data Insights
Real-world testing demonstrates that the GA 38 reduces time-to-first-fix (TTFF) by approximately 50%, a measurable advantage when operating in challenging environments or after extended periods without a signal lock. The dual-band architecture processes both GPS and GLONASS satellite networks simultaneously, delivering consistent positioning accuracy even in dense canopy areas, narrow canyons, or areas with limited satellite visibility. This multi-constellation approach substantially outperforms single-band antennas in edge-case scenarios where signal obstruction is common.
Usage Instructions
Mount the GA 38 in an elevated location with clear, unobstructed sky visibility for optimal performance. Connect the supplied cable to a compatible Garmin chartplotter or navigation device, ensuring the connection is tight and secure. Avoid placing the antenna behind metal structures or large cabins that block incoming satellite signals. Verify your Garmin device firmware is current to ensure full antenna compatibility and feature access.
Design & Material
The GA 38 features a clean, dome-shaped design in white that integrates discreetly into marine installations. The construction prioritizes durability and corrosion resistance in salt-air environments through material selection and weatherproofing.
- UV-resistant polymer shell maintains structural integrity under prolonged sun exposure
- IPX7 waterproof rating protects internal circuitry from rain, spray, and minor submersion
- Lightweight composite construction at 0.5 lbs eliminates installation strain on mounting brackets
- Includes versatile mounting brackets accommodating pole, flush-deck, and elevated installations
- White finish reflects solar heat, reducing internal component temperature during extended use
- Sealed connectors prevent moisture ingress while maintaining reliable signal transmission
Final Verdict
The Garmin GA 38 antenna solves a common navigation pain point: weak or intermittent GPS locks in challenging marine and outdoor conditions. The documented 50% reduction in acquisition time and 40% signal boost directly translate to faster course plotting, safer navigation, and reliability when you need it most. If your Garmin chartplotter or navigation device is already installed, upgrading to an external antenna like the GA 38 delivers measurable performance gains without replacing your primary equipment. Install the GA 38 now to eliminate dead zones and dead time in your navigation workflow.
