From Signal Identification Wiki
Jump to: navigation, search

Frequencies 700 MHz,800 MHz,1000 MHz,900 MHz
Frequency Range 700 MHz - 1000 MHz
Mode NFM
Modulation TDMA
Emission Designator
Bandwidth 20.07 kHz
Location Worldwide
Short Description OpenSky is an encrypted TDMA protocol that is heavily used but is being phased out by the Pennsylvania State Police. No one other than the intended user has been able to decrypt the signal.
I/Q Raw Recording
Audio Sample

OpenSky, created By HARRIS is a 2 slot IPInternet protocol TDMATime Division Multiple Access Trunk System. Operations available on 700, 800 and 900MHz. "Currently (May 2018), there are no scanners or software that are capable of monitoring OpenSky transmissions." (information From

OpenSky is encrypted and was also used as the Pennsylvania Statewide Radio Network from 2003-2022. as of 2017 the Pennsylvania Statewide Radio Network is working on migrating to APCO 25 Phase 2 (P25 Phase 2,) with most to all the law enforcement agencies having full encryption enabled.

As of 2022, there are still towers actively transmitting.

External Links[edit]