Use GPS 2 NET to send NMEA data to any client app via TCP connection.
The purpose if this app is very simple. It provides raw NMEA data to a client application via TCP connection. For example you may use it with OpenCPN. Feed data to as many clients as you want and connect via LAN or Internet (if allowed by your service provider).
Also it is integrated with Tasker!
Check out GPS2BT 2 if you need to provide NMEA via Bluetooth.