It could be due to any new wifi connected device, either in your own home or from a neighbour. One other contributor and myself have verified that HomePods are related to these issues, but the basic problem appears to be either poor noise immunity an...
No known fix exists to this problem - other than to photograph in the middle of a field.Have either you, or anyone in the close neighbourhood installed any new network connected devices in the last week or so? I'm thinking of something like an Apple ...
Canon offer an upgrade from the original ST-E3-RT to a version II, but over in Europe they charge around $100 for the mod. I'm quite sure this will NOT solve our issues but this price would seem to imply that a simple firmware upgrade is not possible...
Check out this thread:https://community.usa.canon.com/t5/Speedlite-Flashes/Radio-communication-issues-EL-1-600EXII-RT-430EXIII-RT-YN686EX/m-p/392702I wouldn't bet my money on it
You mentioned that CPP has "nothing like this on record" but did they record your issue? If they continue to receive complaints and never record anything this will never change!You also appear to be focussing on "WiFi sites" i.e. routers, but every d...