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THE TRANSMISSION GALLERY
GUILDFORD
| Photos by Roger Piper | Page last updated: 2012-03-17 |
| Roger's update shows additional log periodic antennas used for experimental MIMO (multiple input, multiple output) DVB-T tests. For further details see the papers linked below. |

| One (or maybe both) of the horizontally polarised logs is the feed from Crystal Palace. The vertically polarised logs are believed to be part of the MIMO test installation. |

| Other MIMO test logs are just below the cylinder... |

| ...horizontal and vertical polarisation |

| Much further down, Roger has located the Band II feed - but why is there a vertically polarised log looking in a different direction? |
A dual polarisation MIMO broadcast TV system (BBC Research)
MIMO for Broadcast - results from a high-power UK trial (BBC Research)
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