The agency has been in talks with NYSE Euronext, Nasdaq and other exchanges about such a proposal, along with a plan to eliminate the so-called stub quotes, or place markers, that featured so prominently in the May 6 crash.

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They must also prove residency in New Haven with two utility bills, a pay stub, tax statements, or documents from health and social-service agencies.

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It can also be removed and replaced with a new stub (if damaged) or with Ericsson's "high performance antenna IAT-10" for an even stronger signal in problem reception areas.

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