Try a search on Google. I found this which suggests that Stade is still in use.
http://www.matronics.com/digest/europa-list/Digest.Europa-List.2003-05-10.txt > Date: 14.-15. Juni 2003
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Place: Stade Airfield N53 33.6 E009 29.9, 123.00 MHz, rw 11/29, circuit to the south, 1000 ft. Watch out for gliders, pedestriens, dogs, and motor cars on or nearby the runway.
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We will provide for beverages and snacks at the airfield.
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Dinner: June 14, 2003 19 h at Gasthaus zur Tenne, Agathenburg (nearby, 8 to 10 Euro plus beverages)
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Accomodation: June 14.-15 2003: Gasthaus zur Tenne, Agathenburg. single 29, double 47, triple 61 Euro. I booked all beds in advance.
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Also this should give you a start.
http://www.findarticles.com/p/articles/mi_qa3897/is_200306/ai_n9262069FRIENDLY FIRE
"It is February 13, 1944. The controller at Divisional Operation Theater at Stade [Higher Command, 60 miles west of Hamburg] who is following the bomber stream along the North Sea over Holland and the Frisian Islands expects air raids against northern German cities or Berlin. We get the order to move from our home base of Twente [Holland] to Wittmundhaven, a night-fighter airfield near the coast. This is necessary to intercept the bombers.