### Zyfer GPStarplus Receiver

#### Synopsis

Address: 127.127.42.u
Reference ID: `GPS`
Driver ID: `Zyfer GPStarplus`
Serial Port: `/dev/zyferu`; 9600 baud, 8-bits, no parity
Features: `(none)`

#### Description

This driver supports the Zyfer GPStarplus receiver.

The receiver has a DB15 port on the back which has input TxD and RxD lines for configuration and control, and a separate TxD line for the once-per-second timestamp.

Additionally, there are BNC connectors on the back for things like PPS and IRIG output.

#### Additional Information

Reference Clock Drivers