In one embodiment, a down conversion receiver is provided for a phase modulated optical signal. The flat uniform transmission line includes a strip transmission line, an insulating layer, and electromagnetic shielding layers. The invention also relates to methods for producing a soybean plant containing in its genetic material one or more transgenes and to the transgenic soybean plants and plant parts produced by those methods. Preferably, the health status information is encoded in a machine-readable code that is displayed on a display screen of the ballot tabulation device, and a reading device is used to read the machine-readable code from the display screen and transmit the health status information to the central server.