Power and telemetry signal transmission on cable

A wireline assembly, comprising:

• a set of primary conductors positioned around the circumference of a center conductor, the set of primary conductors comprising a first primary conductor, a second primary conductor, a third primary conductor, a fourth primary conductor, a fifth primary conductor, and a sixth primary conductor;
• a first transformer comprising a first primary winding, a first secondary winding, and a second secondary winding,
• terminals of the first secondary winding connected to the second primary conductor and the sixth primary conductor,
• terminals of the second secondary winding connected to the third primary conductor and the fifth primary conductor,
• a center tap of the first secondary winding connected to the first primary conductor, and
• a center tap of the second secondary winding connecter to the fourth primary conductor;
• a first power source connected to the center tap of the first secondary winding and the center tap of the second secondary winding;
• and
• a first telemetry transceiver connected to the first primary winding of the first transformer.

A method of transmitting a power signal and a telemetry signal, comprising:

• providing a wireline cable in a wellbore, the wireline cable comprising six primary conductors and a center conductor;
• using a power source to excite the six primary conductors via a first propagation mode;
• using a first telemetry transceiver to excite at least some of the six primary conductors via a second propagation mode, the second propagation mode different than the first propagation mode;
• and
• using a second telemetry transceiver to excite the center conductor.