Signal Info Apps

Michael, one of our class visitors for September 7, has recommended that you consider (read: it’s not mandatory!) installing one of the following cell phone signal-sensing apps on your phone. “In general” he says, “you won’t be able to visually find the towers using the apps, but it is interesting to see where your phone is connecting to in the city as you walk along.”


  • Open Signal
  • Networks Signal Info
  • RF Signal Tracker (Donut)
Jailbroken iPhone:
  • Signal from the Cydia store


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