GPSD - unplug and replug USB

(11 oct 2009) Following on from GPSD startup and shutdown I have hit another snag with the GPSD daemon, probably of my own causing but why? GPSD has a streaming interface. It is possible to interact with the GPSD daemon using Telnet thus (in the default configuration):

telnet localhost 2947

When you do, not a lot will happen until you type w+ and hit return. If the receiver is locked on you will then get a stream of fixes until you type w- and hit return (don't wait, just type it ignoring the output). Thus: