At DGC our powder pigeon is isolated so that the 300 shot direction from the cage doesn't blast someone down the road. No rules other than start at 22, move back 2 yards for 4 or 5x5, stay with 1, 2 or 3x5.
We have both instant and delay settings on the pull control -
In the US, the range is the ATA field. If you can find a copy of the ATA rules in the late 60s or very early 70s, you'll have the ATA rules for wobble trap.
There is an organization called something like Wimpys Wobble that has a set of rules. You probably could do a search on this site, maybe google them.
The link above will get you the ISSF field layout -- uses straight line stations -- and the current rules used in the rest of the world.
Actually It's not on an ATA layout. The shooting positions are in a straight line, not on a 16 yard arc and the "trap house" roof is level with the ground not elevated as in ATA.
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