Page 6 - QO-100

P4-A WB Transponder Band Plan,

Operating Guidelines

Transponder Usage
As a general principle, the transponder should be only be used for short-duration tests and contacts. The
only long duration (more than 10 minute) transmissions should be:
• The TV beacon channel uplinked from Qatar or Bochum.
• Video of the live proceedings of AMSAT and Amateur TV Lectures and Conferences
of wide interest. Examples might include:
• National AMSAT Conferences
• National Amateur TV Conventions
The following content is unacceptable:

• Recordings of events, or broadcast of events not explicitly concerned with Amateur
Satellites or Amateur TV
• Transmission of any copyright material (such as movies or TV channels)
• The relaying of terrestrial Amateur TV Repeaters is discouraged unless the content is of
exceptional amateur radio interest.
Transmission power

All uplink transmissions should use the minimum power possible. No transmissions should have a downlink
signal with a higher power density than the Beacon - the web-based spectrum monitor will enable users
to set their uplink power to achieve this.

Transmission modes

Transmissions should use DVB-S2 where possible. For normal standard definition transmissions, 2 MS is the
maximum symbol rate that should be used.

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