Mount it once
On the clubhouse or the committee boat, within 10 km of the course. No radio licence, no SWEPOS subscription.
Own your tracker.
Centimetre RTK race tracking, the kind that runs world championships. In a floating puck every sailor can buy. €199, yours to keep.
600 boats. One gun.
Every call in centimetres.
Each puck knows where the line is and decides on board, at the gun, whether the hull was over. The race committee sees the list seconds later.
One puck. The parts the big systems use.
A dual-band L1+L5 RTK receiver, the same class of receiver inside the systems used at world championships. Sealed, floating, small enough for an Optimist foredeck.
1 cmRTK precision with fix
10 HzPosition, heading and heel
600Boats on one start line
1 dayOf racing on one charge
Same precision as the
world championships.
Now for every sailor on the start line, not just the ones at the top of the results.
Buy it once.
Race with it for years.
The puck is yours. Charge it at home, clip it on, race. Club racing on Tuesday, the nationals in July, the same puck.
€199once, plus €5 a month when you race
Works at every club with a VMGline base station. Nothing to hand out or collect at the race office. Pause the service over the winter.
Run the whole regatta on RTK.
Built for fleets the size of a youth championship. Tracking is the easy part.
The line pings itself
A puck on the committee boat and one on the pin broadcast the line to every boat, live. When the anchor drags, the line moves with it.
The gun calls the start
Each puck decides on board, at 10 Hz against GNSS time, whether any part of the hull was over. The call never waits for a network.
Finishes to the centimetre
Close finishes are recorded as they happen and scored straight into the results. Mark roundings and the zone come from the same data.
600 boats, one screen
Optimist and ILCA regattas start fleets no instrument system has had to handle. The puck and the platform are sized for them.
Sealed. Floats. Charges at home.
- Positioning
- RTK, L1+L5 GNSS. 1 cm horizontal with fix.
- Rate
- 10 Hz position, heading and heel, stamped with GNSS time.
- Sensors
- Compass, gyro and accelerometer. Bow position computed per class.
- Link
- 4G today. A local mesh link is in development for courses beyond coverage.
- Battery
- A full race day on one charge. Magnetic charging.
- Housing
- Sealed, waterproof, floats. Lanyard loop.
Prototype hardware. Receiver figures are from the RTK receiver specification.
The club plugs in one base station. The fleet gets RTK.
RTK needs a fixed reference nearby. The club owns one, mounts it once, and connects power and internet. Corrections reach every puck on the water.
Sailors bring their pucks
Every puck registered to the event appears on the map. Nothing to hand out or collect.
Race, follow, replay
Live for coaches and families ashore. Full replay of every leg after racing.
Same precision. Different owner.
The RTK systems used at the top of the sport are rented per day or sold as premium instruments. The puck is the first you can own for the price of a sail.
| VMGline RTK puck | Velocitek RTK Puck | Vakaros Atlas 2 + HALO | |
|---|---|---|---|
| How you get it | Buy it, keep it | Rental only | Buy it |
| Price per boat | €199 + €5 a month | $50 per day | €1,149 + €544 |
| A season of 15 race days | about €230 | $750 | €1,693 + €129 pass |
| RTK precision | 1 cm | 1.8 cm | 1 cm |
| Update rate | 10 Hz | 10 Hz | 25 Hz |
| Built for | Dinghy fleets to 600 boats | Keelboats, NMEA 2000 | One-design keelboats |
| Floats | Yes | Not stated | Not stated |
Competitor figures from their websites, October 2026. Velocitek rental requires three additional pucks for the race committee.
Pricing
Sailors buy the puck. Clubs own the base station. Everyone sees the same live map.
VMGline RTK puck
€199 one-off, yours to keep. Plus €5 a month in the months you race.
- 1 cm RTK, L1+L5, 10 Hz
- Start calls, finishes and full replay
- Works at every club with a VMGline base
- Sealed, floats, charges at home
RTK base station and race management
Pilot 2027 Base station, race control app and tracking platform. Pricing confirmed with pilot clubs.
- Plug-and-play base, owned by the club
- Automatic line pinging, start and finish calls
- Fleets up to 600 boats per start
- Live map and replay for coaches and families
Questions
Is the precision really the same as the systems used at world championships?
The puck uses a dual-band L1+L5 RTK receiver of the same class as those systems, with corrections from a base station within 10 km. With RTK fix, that gives 1 cm horizontal precision. A good antenna mounted on the foredeck matters as much as the receiver, which is why the puck ships with its own.
What happens if 4G drops during the start?
Nothing changes for the call. Each puck records at 10 Hz with GNSS time and decides on board whether the hull was over. The result is sent when the link returns. A local mesh link is in development for courses with no coverage at all.
Can it run a 600-boat Optimist regatta?
That is what it is designed for. The decision is made on each puck, so the start does not get harder with more boats. The platform shows one fleet on one screen, and the race committee sees the over-early list seconds after the gun.
What does the €5 a month cover?
The tracking service: live map, start and finish calls, replay and your data. You pay in the months you race and can pause it over the winter.
Does my puck work at other clubs?
Yes. The puck is yours. Any club with a VMGline base station can enable it for their event.
When can I buy one?
Pilot clubs race with pucks in the 2027 season. Sailors at pilot clubs get the first units at €199. General sales follow the pilot.
Where is the data stored?
In the EU, on servers run from Sweden. Sailors can export or delete their own data under GDPR.
Put your fleet on the
start line in 2027.
We are looking for dinghy clubs and class associations to run the pilot: a base station at the club, pucks on the boats, real starts at real regattas.
Built in Sweden. Prototypes on the water now.