| http://www.w3.org/ns/prov#value | - Cellular or landline telephones may be used to provide or to augment the radio signals 54 and/or 56.FIG. 3A is a block diagram of the server 52A. The server 52A includes a radio transceiver 62, a virtual reference synthetic phase processor 63 and an anomaly detector 63A. The server 52A receives data for the reference positions (or it already has the reference positions) and the reference phases fr
|
