Iwe been hearing to the UHF comm from the ISS crew taking a space-walk right now, catching it thanks to
http://iss.de.astroviewer.net/. I just thought, since the position is tracked at several servers and sites, it would be interesting to put the ISS model at real-time position. Would be awesome looking at a fly-with cammera of the ISS at the Earth in OT whyle they talk out there.
P.S. : They usually use the 143.625 (most of the time as the russian side now has most operations on them due to the shuttle grounding). But there are several others too :
http://www.issfanclub.com/frequencies Try checking it out if you have the equipment sometimes !