That antenna design is referred to as an NVIS (Near Vertical Incidence Skywave) and is designed for use at High Frequency for short-range communications. HF is usually thought of as long-range because the antenna is mounted higher with a design that sends the signal towards the horizon to propagate further. As the NVIS name states, the signal is designed to go nearly vertical to take advantage of the skywave returning to earth closer to the originating station. This method requires the antenna to be closer to the earth so propagation towards the horizon is minimized. This is a good technique and resource for use when VHF/UHF repeaters are unavailable or unreliable in disaster zones.