onNAV

onNAV develops data-driven geospatial information systems, specializing in the integration of terrestrial, maritime, and weather data analysis, mapping, and visualization tools. Our systems seamlessly integrate satellite, mobile device, and sensor telemetry into intuitive maps and charts - connecting you to the instruments, networks, and teammates that matter, even when the internet doesn't reach.

Specializing in Data Integration

onNAV delivers total situational awareness across terrestrial, maritime, space, and cyber domains through a unified geospatial platform custom-built for national programs and interagency operations.

onNAV SARtac

Tactical Search and Rescue coordination for iOS. Off-grid mesh comms, TAK interoperability, real-time PTT voice, encrypted messaging, and mission management in one field-ready app.

SARtac

Mesh Comms

Off-grid messaging and position sharing via Meshtastic LoRa mesh radios.

TAK Interop

Full Cursor on Target support for interoperability with ATAK, iTAK, and TAK servers.

PTT Voice

Real-time push-to-talk voice communication over the SARtac network.

Mission Management

Plan and coordinate search patterns, team assignments, and objectives in the field.

MarNAV

Remote Alerts

Get an alert if you boat anchor drags or if a lightning storm is heading your way.

Live Tide Charts

Monitor the tides where your fishing or are anchored.

Weather Radar

Track storms coming your way with live weather radar.

Modern Charts

Easy to ready, up to date, maritime charts

onNAV SAIL LINK

Connect your iPhone to sailing instruments and marine networks. Real-time wind, speed, GPS, and polar performance tracking in one tactical display.

sail link

Bluetooth Instruments

Connect wirelessly to Calypso anemometers, RaceBox GPS, and more via Bluetooth and WiFi.

Marine Networks

Connect to Signal K servers and NMEA 0183 networks over WiFi and TCP.

Polar Performance

Track boat speed against wind with polar diagrams and a multi-boat library.

Trip Recording

Automatically record your sailing trips with GPX export and route playback.