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If you plan on visiting Phoneix, or any of the nearby storage airports, then I can’t reccommend this link enough:
It is run by spotters at Phoneix and covers all the comings and goings, news, and latest photos.
What is also invaluable is the lists of aircraft currently stored at places like Goodyear, Chandler etc – often updated daily, so you’ll know how accurate it is when you plan on visiting.