This updated Plus 2020 version (with a blue colar over the cable) has double the memory and contains an improved precision altitude sensor with lower noise, and the display has been updated to a higher contrast version with a white background.
The AerobTec Altis V4+ provides these facilities:
- An F5J Start Height recorder and display, with its own mini OLED screen – no reader is required.
- An eSoaring or ALES limiter for cutting an electric glider’s throttle at the required altitude.
- An altitude logger for flight recording and later analysis on a PC.
- A telemetry sensor that works with Jeti and Multiplex 2.4GHz receivers.
- A DLG launch height recorder and display.
- Altis v4+ is an improved version – it contains a newer sensor which has a lower noise. So the graphs will be smoother. The other modification is white display instead of blue one
The AerobTec Altis V4+ is an RC altimeter designed especially for F5J and eSoaring electric glider competitions, though it can also be used to record the barometric altitude of any object – a RC model, a bird, kite, or full size aircraft.
Its unique benefit is the built-in screen that displays the F5J Start Height (or other data) automatically. This allows F5J competitions to be run very easily and safely, with no plugging in of gizmos or fiddling with wires.
Another great benefit is its ability to interface with Jeti Duplex and Multiplex M-Link 2.4GHz receivers to give real time altitude telemetry. Despite these very powerful features the Altis V4 is very small and light.
The Altis Flight Manager software is used to download the logged data onto a PC, to display and analyse it, and to save it in various formats. Download Altis Flight Manager PC software from here. Note the software isn’t included in the package, and must be downloaded by the customer.
We recommend you also go to the AerobTec Altis V4 page to check for and download the latest Altis V4+ firmware revisions and documentation.
Note that from V2.2 onwards altitude and other parameters cannot be changed usng the keypad. Best to revert to V2.1 if this is needed – eg for eSoaring events.
A Micro B USB cable and telemetry cable are not included in the product, and need to be purchased separately if required.
| AerobTec Altis V4+ Specifications | |
|---|---|
| Memory | 3.9 MB |
| Record time | 15 hours with 0.1 s sample interval, 3825 hours with 25.5 s sample interval. |
| Sample interval | 0.1 s – 25.5 s (user selectable in steps of 0.1 s) |
| Dimensions | 20 x 33 x 6.5 mm |
| Cable length | 10 cm |
| Weight | 8 g with cable |
| Power supply range | 4.0V – 12.6V |
| Data Logged | Altitude, RC voltage, temperature, throttle |
| Compatible competition rules | FAI F5J, eSoaring, ALES |
| Start Height display | Integrated OLED screen |
| Telemetry support | Jeti Duplex, Multiplex M-Link, Graupner SJ HoTT |
| Firmware | Upgradeable via PC |
| Interface | Integrated Micro B USB socket (as used on an Android phone) |
| Analysis Software | AerobTec Altis Flight Manager software Compatible with Windows XP to Windows 10 |
| Optional accessories | Altis V4 Telemetry Cable, Micro B USB Cable |
HyperFlight Safety Warning
There is discussion of the Altis causing power loss and subsequent crashes in this RCGroups thread, see especially post #24 onwards. The consensus is that the crimping is potentially unreliable on both the Altis and the ESC wiring and the best way of improving reliability is to wire an additional positive and negative wire from the ESC to the receiver in parallel to the Altis.



















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