diff --git a/antenna.html b/antenna.html index 1ffe72f718881c70c4eacfb067fabd99b1dffc81..b0c6ddb175d49e0b2c299f38763c731aff5ab745 100644 --- a/antenna.html +++ b/antenna.html @@ -106,6 +106,8 @@ to observe at declinations above -33 degrees.</p> </tr> </tbody> </table> +<p>We note that while the elevation limits range from 5 to 90 degrees, observations should be planned for an elevation between 6 and 82 degrees. Only in +exceptional cases should the observations go below 6 degrees or above 82 degrees.</p> <p>Active surface</p> <p>The primary reflector, which is 64 m across, is made of 1008 aluminium panels (with an RMS ≤ 65 μm each) driven by 1116 electromechanical actuators. This <em>active surface</em> is designed to compensate for the gravitational deformations of the whole surface at different elevations.</p> diff --git a/antenna.rst b/antenna.rst index d4cc3054808f2e7f1923aa6a133dee9a341ba7c4..e2fba12d4d96d5076ca0cd4fc306ba9614a4af7a 100644 --- a/antenna.rst +++ b/antenna.rst @@ -59,6 +59,9 @@ The antenna's main characheristics are: * - Pointing accuracy (rms) - 2 -- 5" +We note that while the elevation limits range from 5 to 90 degrees, observations should be planned for an elevation between 6 and 82 degrees. Only in +exceptional cases should the observations go below 6 degrees or above 82 degrees. + Active surface The primary reflector, which is 64 m across, is made of 1008 aluminium panels (with an RMS ≤ 65 μm each) driven by 1116 electromechanical actuators. This *active surface*