LoLRa - Sending LoRa straight from GPIOs.
Understanding the Limits of LoRaWAN
Experimental Study of LoRa Transmission over Seawater
Investigation / design of 868MHz antennas on water surface and underwater
Beyond the Star of Stars: an Introduction to Multi-Hop and Mesh for LoRa and LoRaWAN
On the Coverage of LPWANs: Range Evaluation and Channel Attenuation Model for LoRa Technology - Includes range tests from a base station in Oulu to a yacht. Max achieved 30km.