Skip to main content
Fig. 4 | Animal Biotelemetry

Fig. 4

From: Characterisation of a new lightweight LoRaWAN GPS bio-logger and deployment on griffon vultures Gyps fulvus

Fig. 4

A Pole used to elevate the NOMAD devices to 5 m at each location. B Ground-based range test locations for the fixed position LoRaWAN Gateway. C Ground-based range test locations for the mobile LoRaWAN Gateway. D The mobile gateway used. E The location in Portugal where the mobile gateway was tested. Hollow circles represent locations where data transmission from the devices to the gateway was not confirmed, filled circles represent locations where data transmission was confirmed. The orange areas represent areas with line of sight to the gateway at 5 m above ground, this was calculated in QGIS using the viewshed analysis tools and a 30 m digital surface model from [41]

Back to article page

Animal Biotelemetry

ISSN: 2050-3385