Originally Posted by wickerprints
Just to be clear, selecting a different frequency/channel may help, BUT there are different strategies/opinions on what to do. I was just about to experiment with highest frequency (since the 433MHz CE units don't have problems) when I stumbled across a PocketWizard web page that suggested channels in the 345-347MHz range. I've stuck with my random experiment and had great results.
Originally Posted by wickerprints
PocketWizard has been pretty clear that the interference problem is at the receiver, and isn't influenced by the presence of an on-camera flash. Anything's possible, but I suspect they're right: the transmitter's signal should overpower the flash's interference, but it's weaker at the receiver.