Location	Barkway
Locator	IO92xa
Input frequency	51.780
Output frequency	50.780
Mode	FM
Polarisation	Vertical
Height above ground	37m
Height above sea level	210m
Access method	77.0Hz
Antenna	Diamond V-2000
Power (ERP)	25W
Status	Operational

GB3PX is a 6m FM voice repeater, located near Barkway, just south of Royston.

It features AllStar internet linking, and will reconnect to GB3PI when idle.

In February 2024, GB3PX’s input frequency changed from 51.280 to 51.780MHz to improve performance.

2024-07-09: GB3PX returned to service following receiver fault. Reports welcome.