Edward samuel rogers biography of abraham

Edward S. Rogers Sr. can be counted as one of the worlds most important radio experimenters. His patented improvement to the McCullough AC tube that eliminated AC hum was the break through that launched the Rogers Batteryless radios.

Quickly realizing that to sell radios he required local broadcast content was this decision that saw E.S.

Rogers convert his watt Ham Station 3BP to the worlds first batteryless broadcasting station 9RB. Station 9RB remains on the air as radio station CFRB in Toronto, short for Canada'sFirstRogersBatteryless.

The new watt 9RB went on the air from Aurora in January of on a frequency of kHz. more 9RB-CFRB history

This Rogers Batteryless receiver Model using a 5 tube circuit was introduced at the Canadian National Exhibition in Toronto, Ontario Canada in and sold for $ including tubes and power supply but less a loudspeaker.

 The more expensive Model was a solid walnut floor console model including a loudspeaker selling for $ while the Mo