All guides
The complete library — 55 guides, 73k words, grouped by the question each one answers.
Foundations
How position, charts, orientation and onboard data actually work — the physics and limits behind every screen on the boat.
Equipment & Sensors
Chartplotters, radar, AIS, sonar, autopilots, networks, radios and power — what each device does well and where it fails.
- Marine chartplotter buying guide7 min
- Marine radar: Doppler, solid-state and open array9 min
- AIS for boats: Class B, SOTDMA and MMSI8 min
- Marine sonar: CHIRP, side scan and live sonar7 min
- Depth sounders and transducer selection7 min
- Marine autopilot guide7 min
- NMEA 2000, NMEA 0183 and marine Ethernet7 min
- Marine VHF and DSC in Australia7 min
- Satellite communications for boats6 min
Buying Guides
Brand-by-brand and model-by-model comparisons for the 2026 Australian market, with budgets and realistic shortlists.
- Best chartplotters 20265 min
- Best marine radar 20265 min
- Marine electronics brands compared7 min
- What it costs, and where to spend6 min
- Garmin marine electronics4 min
- B&G marine electronics4 min
- Raymarine marine electronics4 min
- Simrad marine electronics3 min
- Furuno marine electronics3 min
- Lowrance marine electronics4 min
- Radome vs open array4 min
- Class A vs Class B AIS4 min
- CHIRP vs traditional sonar4 min
- B&G vs Raymarine4 min
- Garmin vs Simrad4 min
By Vessel Type
Complete system designs for sailing yachts, catamarans, motor yachts, offshore fishing boats and trailer boats.
Seamanship & Safety
Using the system well: collision avoidance, night passages, passage planning, tides, weather and what survives a failure.
- Navigation redundancy that actually works7 min
- Pre-departure checklist4 min
- Collision avoidance with radar and AIS7 min
- How to tune marine radar4 min
- Night and poor-visibility navigation7 min
- Man overboard procedure4 min
- Passage planning, end to end6 min
- Crossing a coastal bar4 min
- Weather data and routing offshore7 min
- EPIRBs, beacons and safety equipment7 min
- Safety equipment by state5 min
- Anchoring and anchor-watch electronics6 min
Projects & Installation
Refits, wiring, sensor siting, commissioning and the documentation that makes a boat troubleshootable.
Reference
Definitions, quick answers and the acronyms nobody explains on the spec sheet.