Article Figures & Data
Figures
- FIGURE 1
ARFIDAAS second-generation hardware front-end
- FIGURE 2
ARFIDAAS high-level functional diagram showing interfaces
- FIGURE 3
Example of interference assumed to be radar-related jamming events from Norway on the 19th of January 2021 (not showing leakage into the L2 band)
- FIGURE 4
Czech Republic installation environment baseline of E6 band
- FIGURE 5
E6-band disruption believed to be from the SAR payload of the ALOS-2 satellite
- FIGURE 6
Classification results from Trondheim station: 3,021 events from January 1, 2020, through December 31, 2020
- FIGURE 7
Classification results from Trondheim C station: 5,110 events from April 1, 2020, through March 31, 2021
- FIGURE 8
Classification results from Amsterdam station: 2,291 events from January 1, 2020, through December 31, 2020
- FIGURE 9
Classification results from Trondheim B station: 827 events from January 1, 2020, through December 31, 2020
- FIGURE 10
Classification results from Asker station: 1,295 events from January 1, 2020, through December 31, 2020
Tables
Site name Number of events Most impacted band Likelihood of jamming at site Dominant RFI family in % seconds/day Amsterdam 2,291 E1/L1 0.025 22 Narrowband Asker 1,295 E1/L1 0.016 14 Wideband Trondheim 3,021 E6 0.024 21 Time-modulated Trondheim B 827 E1/L1 0.009 8 Time-modulated Trondheim C 5,110 E1/L1 0.042 36 Narrowband - TABLE 2
Comparative E6 Signal Structure, Power Level Symbol Rates, and Pilot Availability From the Galileo OS SIS ICD Version 2.0 (EU, 2021)
Signal Signal component Total received power Symbol rate Pilot Minimum (dBW) Maximum (dBW) E5 E5a (total I+Q)
(50/50% I/Q power)−155.25 −150.00 50 Open E5b (total I+Q)
(50/50% I/Q power)−155.25 −150.00 250 Open E6 E6-B/C (total B+C)
(50/50% B/C power)−155.25 −150.00 E6B-1000 None
Requires CE6-CE1 E1-B/C (total B+C)
(50/50% B/C power)−157.25 −152.00 E1B-250 None
Open
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