MER and Sojourner models (I think these were near the entrance). The circular reflective structure is MER's high gain antenna, and the thin vertical structure is the low gain (omnidirectional) antenna.

Space Holiday 2014: Photo 40 / 249

MER and Sojourner models (I think these were near the entrance). The circular reflective structure is MER's high gain antenna, and the thin vertical structure is the low gain (omnidirectional) antenna.

MER and Sojourner models (I think these were near the entrance). The circular reflective structure is MER's high gain antenna, and the thin vertical structure is the low gain (omnidirectional) antenna.