![GPS Outage? Bad antenna? Doing GPS approaches with a student this morning and got this. GS went first…then everything else about a minute later. WAAS enabled (yes it was turned on) GNS530. GPS Outage? Bad antenna? Doing GPS approaches with a student this morning and got this. GS went first…then everything else about a minute later. WAAS enabled (yes it was turned on) GNS530.](https://preview.redd.it/gps-outage-bad-antenna-doing-gps-approaches-with-a-student-v0-i7eue70r5gla1.jpg?auto=webp&s=2f9048477e42cb1a066320d1abb42cf3ececc7f6)
GPS Outage? Bad antenna? Doing GPS approaches with a student this morning and got this. GS went first…then everything else about a minute later. WAAS enabled (yes it was turned on) GNS530.
![GPS, Galileo & More: How do they work & what happened during the big outage? - Bert Hubert's writings GPS, Galileo & More: How do they work & what happened during the big outage? - Bert Hubert's writings](https://berthub.eu/galileo/geo.png)
GPS, Galileo & More: How do they work & what happened during the big outage? - Bert Hubert's writings
![Land-Vehicle INS/GPS Accurate Positioning during GPS Signal Blockage Periods | Journal of Surveying Engineering | Vol 133, No 3 Land-Vehicle INS/GPS Accurate Positioning during GPS Signal Blockage Periods | Journal of Surveying Engineering | Vol 133, No 3](https://ascelibrary.org/cms/asset/53dbb221-663d-4683-95cf-214cfdcc084d/1.jpg)