Web Map Tile Service, an Open Geospatial Consortium (OGC) standard for providing map tiles (small images that are part of a map) via the internet
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Wireless Medical Telemetry Service, certain frequencies set aside by the FCC for wireless medical telemetry
Because of crowding of the radio spectrum due to the recent introduction of HDTV in the United States and many other countries, the Federal Communications Commission (FCC) as well as similar agencies elsewhere have recently begun to allocate dedicated frequency bands for exclusive biotelemetry usage, for example, the Wireless Medical Telemetry Service (WMTS).