search tips:

• use commas to separate multipe calls: W1AA, W1ABC, K1AA
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• use * as a wildcard
• W1* will match W1AA, W1AB, W1ABC and so on.
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• use @ for a fixed width wildcard
• W1@@ will match W1AA, W1AB but not W1ABC
• W1@@@ will match W1AAA, W1ABC but not W1AB
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• you cannot combine * and @ in a search
• you cannot search multiple wildcards