Globecom Tower was a 378.25 m (1,240.98 ft) tall guyed mast for military longwave transmission at Northmountain on Pituffik Space Base on Greenland.

It is designed as a mast radiator insulated against the ground and equipped with an elevator running up to a height of 360 m (1,181.10 ft).

A great difficulty at its construction was that the ground on which it was built is permanently frozen.

Globecom Tower was used for transmitting military telex messages to CFB Goose Bay, Canada, on the longwave frequency 68.9 kHz with a power of 50 kW under the callsign XPH.

The tower, unused for years, was brought down with explosive charges set and detonated by US Army combat engineers in the spring of 1992.