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25 lines
1.6 KiB
Markdown
25 lines
1.6 KiB
Markdown
### Link Budget Models for the DxWiFi Channel
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The source of these link model spreadsheets are from Jan King and are located at the [AMSAT-UK IARU website](http://www.amsatuk.me.uk/iaru/spreadsheet.htm). The spreadsheets have been customized from revision 2.5.5 which are signified by a suffix letter. In addition, for OreSat protocol information please visit our [GitHub protocol page](https://github.com/oresat/oresat-design/tree/gh-pages/protocol). For OreSat's primary communication link models please visit our [GitHub C3 RF page](https://github.com/oresat/oresat-c3-rf/link-models)
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* The bulk-data mission uplink and downlink using UniClOGS (University Class Open Ground Station)
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* ___OreSat1_link_model_v2.5.5a_mission_data_uniclogs.xlsx (PDF summary)___
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* S band - 2422 MHz - 1Mbps 802.11b
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* 45 deg minimum elevation
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* 1.4 dBi canted turnstile on satellite and 23 dBi parabolic reflector at ground station for uplink
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* 12 dBi helix on satellite and 23 dBi parabolic reflector at ground station for downlink
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* The bulk-data mission downlink using a handheld ground station receiver
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* ___OreSat1_link_model_v2.5.5a_mission_data_handheld.xlsx (PDF summary)___
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* S band - 2422 MHz - 1Mbps 802.11b
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* 45 deg minimum elevation
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* 12 dBi helix on satellite and 15 dBi quad helix/patch at ground station
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Notes:
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- The 'Transmitters' and 'Receivers' sheets have been customized
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- Block diagrams reflect correct design
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- System noise temperature is more precise
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- The 'System Performance Summary' sheet has been customized
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- Power levels in dBm
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- More link details
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