Yes personally I think the sig is definitely a compelling marker. Especially after the patch that caused them to not be completely random anymore. Plus the fact of time. I have had a static that I did not warp to last upwards of a week. If in fact it was active it would have had the normal 24 hour timer.
Interiors for The Waltons were filmed on Stage 26 and Stage 20 of The Warner Bros. Studio which was known during the original series as The Burbank Studios.
In the closing scene of the series' final episode The Waltons: The Revel (1981), the remaining Walton's family members and the Godsey's gathered at the Baldwin sisters' mansion for a party. As the sisters thanked their guests for coming, the viewer can see that several unnamed guests have joined the crowd.