Audit Checklist: sf-sharing-audit

sf-sharing-audit

📋 Audit Checklist: itu-r SF Frequency Sharing

Field Security Audit // Node_Operational

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Interference Evaluation Methodology

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Coordination Area Calculation: Confirm that the coordination distance is calculated as per SF.1006 using the correct propagation models (P.452). Verify that all existing Fixed Service (FS) stations within the area have been identified.

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Power Flux-Density (PFD) Limits: For space-to-earth links, verify that the PFD at the earth's surface does not exceed the limits defined in RR Article 21.

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Interference Margin: Confirm that the aggregate interference power (I/N) from all satellite systems is < 10% of the thermal noise power.

Specific Sharing Scenario: 3.5 GHz (FWA/VSAT)

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SF.1486 Compliance: If using Fixed Wireless Access (FWA) and VSAT in the 3.4-3.7 GHz band, confirm the implementation of interference mitigation (e.g., shielding, site selection).

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Guard Band Verification: Audit the frequency separation between the top of the FWA band and the bottom of the VSAT band.

HAPS / GSO FSS Coordination (47 GHz)

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SF.1481-1 Verification: For High-Altitude Platform Stations (HAPS), verify the pfd criteria to protect Geostationary (GSO) satellite systems as per SF.1481.

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Antenna Discrimination: Confirm that the earth station antennas have sufficient side-lobe discrimination to reject HAPS signals.

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