- Hardware
- Based on ESP32s3 chip, 12V powered
- Software
- Written in C++
- Documentation
- French documentation FbBalise_0_12_1.pdf
- English documentation FbBalise_0_11_4_GB.pdf
- Experimental beacon
- Connected to FbBalise CPU via SPI bus.
- Based on DDS AD9954
- Multimode modulation CW, OPERA, PI4, FT8, Q65, JTxx, WSPR
- 400 MHz TCXO
- 3-stages 10W power amplifier
- Callsign: F5ZZO
- Frequency : 144.491 MHz
- Locator : JN03XH
- ERP : 10W
- Antenna : BigWheel
Transmission cycle: 10 minutes.
| Minute (second 00) | FSK offset | Mode | Text |
|---|---|---|---|
| 00 | -450Hz | WSPR | Callsign Locator:4 Power |
| 02 | +800Hz | PI4 | Callsign |
| 03 | +800Hz | PI4 | Locator:6 |
| 04 | +1500Hz | OPERA | Callsign |
| 05 | +800Hz | Q65-30B | Callsign Locator:6 |
| 06 | +800Hz | PI4 | Callsign |
| 07 | +800Hz | PI4 | Locator:6 |
| 08 | +800Hz | FT8 | Callsign Locator:6 |
| 09 | +1500Hz | OPERA | Callsign |
CW transmission of the callsign and locator for the remainder of each minute.
Spectral view of the DDS driver
Prototype of the DDS driver
