A method for use in a wireless communication network, the method comprising: Receiving, at a location server operatively enabled to provide position location assistance, Global Navigation Satellite System, GNSS, signals; predicting, at the location server, native formatted GNSS sensitivity assistance, SA, information signals based at least in part on the received GNSS signals, wherein said native formatted GNSS SA information signals comprise native over the air information signals comprising preamble information signals, encoded information signals and/or time mark information signals; generating, at the location server, one or more modified format GNSS SA information signals based on the native formatted GNSS SA information signals, the modified format GNSS SA information signals omitting at least some of said information signals from the native formatted GNSS SA information signals; at the location server, receiving, from a mobile station, a soliciting message including a request element identifying the format modified GNSS SA information signals or native formatted GNSS SA information signals; and in response to the soliciting message including a request element identifying the format modified GNSS SA information signals, sending the one or more format modified GNSS SA information signals over a communication link from the location server to the mobile station, or in response to the soliciting message including a request element identifying the native formatted GNSS SA information signals, sending the one or more native formatted GNSS SA information signals over a communication link from the location server to the mobile station. Receiving, at a location server operatively enabled to provide position location assistance, Global Navigation Satellite System, GNSS, signals; predicting, at the location server, native formatted GNSS sensitivity assistance, SA, information signals based at least in part on the received GNSS signals, wherein said native formatted GNSS SA information signals comprise native over the air information signals comprising preamble information signals, encoded information signals and/or time mark information signals; generating, at the location server, one or more modified format GNSS SA information signals based on the native formatted GNSS SA information signals, the modified format GNSS SA information signals omitting at least some of said information signals from the native formatted GNSS SA information signals; at the location server, receiving, from a mobile station, a soliciting message including a request element identifying the format modified GNSS SA information signals or native formatted GNSS SA information signals; and in response to the soliciting message including a request element identifying the format modified GNSS SA information signals, sending the one or more format modified GNSS SA information signals over a communication link from the location server to the mobile station, or in response to the soliciting message including a request element identifying the native formatted GNSS SA information signals, sending the one or more native formatted GNSS SA information signals over a communication link from the location server to the mobile station.