I've recently purchased a Heltec v3 ESP32 LoRa device and have been experimenting with the Meshtastic mesh network. I've been able to send messages to other devices in the NCMesh network, but only over MQTT because of the lack of RF coverage and lack of nodes to repeat my messages in my location. If you're ever in the area, the following are my contact details:
BTHEWARDEN
BA==
If clicking a link or scanning a QR code is easier:
BTHEWARDEN