Older than that perhaps.
Some ~20 years ago we visited the Tidbinbilla tracking station near Canberra, Australia. At that time they had a small snack-bar outside and not too far from the main entrance. Black Cat comes to mind as the name of the snack-bar but it was a long time ago! The snack bar had the usual foods and a customer-use microwave oven for warming them.
Before using the oven I glanced inside, looking particularly at the roof of the oven. I was not at all surprised to see the oven roof was rusted out and had a gaping hole the size of my palm where there should have been a perforated grating as an RF shield. I knew that oven well - We had one exactly like it and it too had also rusted out in the roof and been repaired under warranty.
The absurdity of a largely unshielded 650 watt microwave source operating in close proximity to super sensitive space tracking equipment was not lost on me and as soon as we returned home to Melbourne I telephoned the site and finally spoke to someone technical that realised the gravity of the situation. They never called me back, which was disappointing, but I can guess the Sharp oven hit the garbage pile the same day.
For the benefit of those that seek more detail, the oven was a Sharp model R8320 microwave/convection oven and was a popular model of the period. The cooking cavity was stainless steel except for the roof. Why that was made of mild steel is anyone's guess but it must have cost Sharp a pretty penny to replace those cavities
Perytons are just bursts, this oven could have caused minutes long tracking equipment wipe-outs.