I have a carrier on 1830+- that I think is the result of a pair of stations on 1550 and 1690 that use the same antenna. 1550-1690=140 then 1690+140=1830..its a less than 2 miles from here, and with a diode on the end of the ant. you could probably charge batteries.An ac meter reads 9+ volts in the daytime... 73 de Bud WOHG