HNG-FECForward Error Correction was a full duplex system used by the Ministry of Foreign Affairs in Hungary. Used 100.05 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. with 500 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). shift FSKFrequency-Shift Keying. This mode is no longer used today.
HNG-FECForward Error Correction uses a 15 bit code, the first 5 bits corresponding to the ITA-2 alphabet. The first and last bits of this code word are inverted (Inv, Nor, Nor, Nor, Nor, Inv). The remaining 10 bits are used for error detection and correction. Error correction is done by table look up of the character which closest matches the one that was received in error.
- Professional Equipment/Software
- WAVECOM Database: HNG-FEC
- shoc Database: HNG-FEC
- Scancat HNG-FEC
- RadioReference.com HNG-FEC
- RadioRaft HNG-FEC
- Utility Radio HNG-FEC