6. Swarm Satellite Pass Checker - Swarm-Technologies/Getting-Started GitHub Wiki

Q: What is the best way to utilize the pass checker?
A: Please refer to the YouTube video available here for an overview of the pass checker.

Q: Why is only 2-weeks of data shown on the pass checker?
A: This is because the overall pass windows shown on the pass checker do not change. Looking at the pass checker on any given day, there is a pattern that is followed and repeated over a period of time within the specific pass windows.

Q:How can I extract data from the pass checker?
A: Data can be extracted from the pass checker by using Swarm’s pass checker API available at the link below:

https://bumblebee.hive.swarm.space/api/v1/passes?lat=x&lon=y&alt=z

To use the tool, please replace the X, Y, and Z variables in the URL with your device location's latitude, longitude, and altitude.

Example URL for Swarm Technologies Headquarters:

https://bumblebee.hive.swarm.space/api/v1/passes?lat=37.4009107108082&lon=-122.05725418338541&alt=3

Optional Parameter: If you would like to see individual passes, even if they are overlapping, simply add &merge=false to the end of the URL.Otherwise, by default, overlapping passes (continuous coverage) will be merged together as one long pass.

Q: Why did I receive data on Hive at a time when there are no satellite passes shown on the pass checker?
A: This is because the time of packet reception on the Hive will differ from the time of packet transmission from the device. The pass checker shows the time at which satellites are passing over any given location which is when the Modem can transmit messages. The message packets then have to be downlinked to a ground station which occurs after the transmission, and the time can vary slightly. The times shown on Hive are for when the packet is received on Hive, and not for when the packets are transmitted by the Modem.