Final Report of BeJamDetect Project 
4.1.4. Interference situation in August 2022 
The selected test metrics are presented in Figure 4-26, Figure 4-27 and Figure 4-28. The time 
oeriods with increased interference activity are marked in Figure 4-26 with red boxes. 
RFI detection metric 
=RFI metric 
4 
(0 
AL. 
An 
) uw 
—— a — z— 
"4-Aug 
UTC time 
All 
vr. 
 —q—_—_——— — — 
21-Aug 
F 
28-Aug 
2022 
Figure 4-26: RFI detection metric, August 2022 
No indications of significant disruptions of the Demonstrator 2 can be observed in Figure 4-27 and 
Figure 4-28. Only in the first time window with increased RFI activity (around the 7" of August) 
some decrease of the number of used GPS satellites and a noticeable slight drop of the C/NO values 
zan be observed. 
Time evolution of PRNs in PVT and in track 
12 
10 
; ') 
Ü 
oz 
, va lm T_—isea tar Pat 
ALLE == ec 
af "mi 
‚da 
F 
I 
A 
14-Aug 
UTC time 
4 J9 
2022 
Figure 4-27: Number of GPS L1-C/A signals being tracked and used for PVT, August 2022 
Title: Final Report 
Version: 1.0 
age: 56