Does anyone know of a tracker that roughly matches these criteria?
- uses GPS (or Android Find My Device / Apple Find My), not just Bluetooth,
- doesn't forcibly upload everything to the cloud,
- doesn't require an app or a subscription.
I haven't found anything like that myself yet. Maybe it would be easier to just use FindMyDevice¹ on an old Android phone with a prepaid SIM card or build some DIY @…
Searching for NLTE effects in the high-resolution transmission spectrum of WASP-121 b with Cloudy for Exoplanets
M. E. Young, E. F. Spring, J. L. Birkby
https://arxiv.org/abs/2402.19352
This https://arxiv.org/abs/2207.02626 has been replaced.
link: https://scholar.google.com/scholar?q=a