IEC 61097-8:1998

FOREWORD
1 Scope
2 Normative references
3 Definitions and abbreviations
      3.1 Definitions
      3.2 Abbreviations
4 General and operational requirements
      4.1 General
      4.2 Construction
      4.3 Controls and indicators
      4.4 Software
      4.5 Memory
      4.6 Interfaces
      4.7 Marking and identification
      4.8 Instructions
      4.9 Warming-up period
      4.10 Safety precautions
      4.11 Compass safe distance
5 Technical requirements
      5.1 Durability and resistance to environmental
             conditions
      5.2 Protection of the antenna input circuit
      5.3 Frequency bands and channels
      5.4 Mode of reception
      5.5 Scanning receivers
      5.6 Calling sensitivity
      5.7 Adjacent channel selectivity
      5.8 Co-channel rejection
      5.9 Intermodulation response
      5.10 Interference rejection, spurious response and
             blocking immunity
      5.11 Dynamic range
      5.12 Conducted spurious emissions into the antenna
      5.13 Frequency stability
6 General test conditions
      6.1 General
      6.2 Test power source
      6.3 Normal test conditions
      6.4 Extreme test conditions
      6.5 Application of test signals to the receiver
      6.6 Choice of testing frequencies
      6.7 Test signals
      6.8 Measurement of bit error rate (BER)
      6.9 Measurement uncertainty and interpretation of
             the measuring results
7 Environmental tests
      7.1 Procedure
      7.2 Performance check
      7.3 Vibration tests
      7.4 Temperature tests
      7.5 Corrosion test
8 MF/HF watchkeeping receiver
      8.1 Calling sensitivity
      8.2 Adjacent channel selectivity
      8.3 Co-channel rejection
      8.4 RF intermodulation response
      8.5 Spurious response rejection
      8.6 Dynamic range
      8.7 Conducted spurious emissions into the antenna
      8.8 Protection of receiver antenna input circuits
      8.9 Stop/start
      8.10 Stop/start of scanning efficiency
9 VHF watchkeeping receiver
      9.1 Calling sensitivity
      9.2 Adjacent channel selectivity
      9.3 Co-channel rejection
      9.4 Intermodulation response
      9.5 Spurious response and blocking immunity
      9.6 Dynamic range
      9.7 Conducted spurious emissions into the antenna
10 EMC
11 EMI
Annex A - Relationship between bit error rate (BER) input
          and symbol error rate (SER) output
Annex B - Use of FSK demodulators for testing DSC
          watchkeeping receivers
Annex C - Bibliography

Specifies the minimum requirements for shipborne receivers intended to be connected to an external installation, including a decoder for digital selective calling (DSC), and used as receivers for watchkeeping on DSC channels on board ships operating in the maritime mobile MF, MF/HF and VHF bands.