By the numbers

8,531,411 — number of converter box coupons that expired before use, as of Sept. 24.

87,000 — number of Maine households using only an antenna to receive TV signals, as of 2007.

12,311 — number of households in the Bangor market approved in coupon program, as of Aug. 1.

30 — Maine’s highest percent of households using only an antenna to receive TV signals is in Waldo County, as of 2007.

1 — number of Maine stations not broadcasting a digital signal (WPFO in Portland because of signal conflict) until Feb. 17, 2009.

Sources: National Association of Broadcasters, Maine Association of Broadcasters, National Telecommunications and Information Administration.