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SatcoDX Satellite ChartColumn Explanation |
| Audio | Audio Subcarrier Frequency |
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This is for analogue channels; this column shows the audio frequencies. The video signal of a television channel is transmitted on the Channel Frequency given in the "Freq. GHz" column. The accompanying sound signal is transmitted at a subcarrier of that video (main) frequency. The audio subcarrier frequency is given in MHz (Megahertz). A single frequency entry in this column represents Mono sound, while two frequencies seperated by "&", represent Stereo sound. Two or more frequencies without "&", represent different Mono sound carriers. For digital channels this column gives the Teletext PID. |
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