A low-powered signal would have resulted in an inadequate signal for Portland and the more populated areas of the market.

Adele had set one of thePrincess Cecile 's main transmitters to rebroadcast low-powered signals from his helmet, but none of the boarding group seemed to be trigger-happy.

Its analog translator W53AM has a construction permit to air a low-powered digital signal on channel 42 but would remain based on the Deerfield tower.

However, the issue of interference (using high-powered ground transmitters in spectrum intended for low-powered signals from satellites) has caused problems.

It has a construction permit to air a low-powered digital signal on channel 18 from the same location.

The new systems' handsets are smaller and lighter than current cellular telephones because the low-powered signal needs only a small battery.

The station's low-powered digital signal began broadcasting on UHF channel 40 in August 2008.

More recently, WSHM had a construction permit to air a low-powered digital signal on UHF channel 21 from a new transmitter.

Since this low-powered over-the-air signal was very weak, it could only be picked up in that city and Negaunee.

With the switch to digital-only broadcasting on June 12, 2009, KCWQ had a construction permit to build a low-powered digital signal of its own.