A method for calibrating a misconfigured wireless access point (311 c), comprising: receiving positions of a plurality of wireless access points at a mobile station; determining a position of the mobile station based upon a wireless signal model, wherein the wireless signal model measurements include round trip time, RTT, received signal strength and/or angle of arrival, AoA, information associated with exchanged packets; geometrically deriving a distance between the determined position of the mobile station and each of the received positions of the plurality of wireless access points; comparing the geometrically derived distances with corresponding distances derived using the wireless signal model; and determining whether at least one wireless access point is misconfigured, characterized in that if a number of wireless access points exceeds three, the method further comprises: determining a plurality of test positions of the mobile station, wherein each test position is determined based upon removing a different wireless access point from the plurality of wireless access points; and comparing the plurality of test positions to identify the misconfigured wireless access point (311 c), an further characterized in that if a number of wireless access points is less than or equal to three, the method further comprises: providing the position of the mobile station and wireless signal model measurements to a back end network to identify the misconfigured wireless access point (311 c). receiving positions of a plurality of wireless access points at a mobile station; determining a position of the mobile station based upon a wireless signal model, wherein the wireless signal model measurements include round trip time, RTT, received signal strength and/or angle of arrival, AoA, information associated with exchanged packets; geometrically deriving a distance between the determined position of the mobile station and each of the received positions of the plurality of wireless access points; comparing the geometrically derived distances with corresponding distances derived using the wireless signal model; and determining whether at least one wireless access point is misconfigured, characterized in that if a number of wireless access points exceeds three, the method further comprises: determining a plurality of test positions of the mobile station, wherein each test position is determined based upon removing a different wireless access point from the plurality of wireless access points; and comparing the plurality of test positions to identify the misconfigured wireless access point (311 c), an further characterized in that if a number of wireless access points is less than or equal to three, the method further comprises: providing the position of the mobile station and wireless signal model measurements to a back end network to identify the misconfigured wireless access point (311 c). determining a plurality of test positions of the mobile station, wherein each test position is determined based upon removing a different wireless access point from the plurality of wireless access points; and comparing the plurality of test positions to identify the misconfigured wireless access point (311 c), an further characterized in that if a number of wireless access points is less than or equal to three, the method further comprises: providing the position of the mobile station and wireless signal model measurements to a back end network to identify the misconfigured wireless access point (311 c). providing the position of the mobile station and wireless signal model measurements to a back end network to identify the misconfigured wireless access point (311 c).