diff --git a/antenna.html b/antenna.html index b666b6244f7a78a8a790c5af7751f2d0f686f3b7..904b89cb6d48bacc12a7ef8d97bf33c8935e7915 100644 --- a/antenna.html +++ b/antenna.html @@ -157,14 +157,14 @@ is designed to compensate for the gravitational deformations of the whole surfac <td>single-feed</td> <td>32-37</td> <td>2.7</td> -<td>0.60</td> +<td>0.66</td> <td>TP,DFB,DBBC,ROACH1,SARDARA,XARCOS</td> </tr> <tr class="row-odd"><td>K 18-26.5</td> <td>7-feed</td> <td>90</td> <td>0.8</td> -<td>0.45-0.65</td> +<td>0.66</td> <td>TP (MB),DFB,DBBC,ROACH1,SARDARA (MB),XARCOS(MB)</td> </tr> </tbody> @@ -224,7 +224,7 @@ is designed to compensate for the gravitational deformations of the whole surfac <td>beam waveguide</td> <td>2.7’</td> <td>32-37(*)</td> -<td>0.60</td> +<td>0.66 (*)</td> </tr> <tr class="row-odd"><td>K</td> <td>18 – 26</td> @@ -233,12 +233,12 @@ is designed to compensate for the gravitational deformations of the whole surfac <td>Gregorian</td> <td>0.8’(**)</td> <td>90(**)</td> -<td>0.45-0.65</td> +<td>[0.66]</td> </tr> </tbody> </table> <p>[ ] is an estimate -(*) at the band’s central frequency +(*) at the band’s central frequency (for C-band: 45 degrees EL @ 7.3 GHz) (**) at 22.3 GHz with opacity 0.1 and ground air temperature of 293K.</p> <p>The FWHM beam size, as a function of the frequency f, can be approximated by the following rule: FWHM(arcmin)=19.7/ f(GHz)</p> <p>SRT receiver changes are quick, allowing for an efficient frequency agility. The selected receiver is set in its focal position within at most a few minutes. @@ -558,7 +558,7 @@ Available configurations consist of:</p> <p><strong>in L band:</strong></p> <p>The full bandwidth for this receiver is 500 MHz (1.3-1.8 GHz). RF filters can be used (XXL4, XXL2 etc.) as well as additional backend filters (115, 230 or 460 MHz).</p> <p>More detailed information on the SARDARA backend can be found here: <a class="reference external" href="https://www.worldscientific.com/doi/full/10.1142/S2251171718500046">SARDARA</a>.</p> -<p>Note: for spectroscopic observations in L-band with SARDARA, only total intensity is offered.</p> +<p>Note: for spectroscopic observations in L-band with SARDARA (with the 115 MHz filter), only total intensity is offered.</p> </div> </div> <div class="section" id="calibration"> diff --git a/antenna.rst b/antenna.rst index 2624e7cc9f6aab9fd8fee1e1060ba80dc13259a7..24e609b744bba43b81223b4cc1cd6cd2a41dfe02 100644 --- a/antenna.rst +++ b/antenna.rst @@ -82,8 +82,8 @@ RF band (GHz) Type Tsys@90degEL(K) Beamsize (arcmin) Max gain (K/Jy) =============== ============= =============== ================= =============== ================================================ P 0.30-0.36 single-feed 50-80 48 0.52 DBBC,ROACH1 L 1.3-1.8 single-feed 25-35 11.4 0.55 DFB,DBBC,ROACH1,SARDARA -C-high 5.7-7.7 single-feed 32-37 2.7 0.60 TP,DFB,DBBC,ROACH1,SARDARA,XARCOS -K 18-26.5 7-feed 90 0.8 0.45-0.65 TP (MB),DFB,DBBC,ROACH1,SARDARA (MB),XARCOS(MB) +C-high 5.7-7.7 single-feed 32-37 2.7 0.66 TP,DFB,DBBC,ROACH1,SARDARA,XARCOS +K 18-26.5 7-feed 90 0.8 0.66 TP (MB),DFB,DBBC,ROACH1,SARDARA (MB),XARCOS(MB) =============== ============= =============== ================= =============== ================================================ (MB) means that the Multi-Beam option is available for observations in K-band with the TP, XARCOS and SARDARA backends. @@ -101,12 +101,12 @@ Band Frequency coverage (GHz) Feeds native polarization type Focal p ======== ========================= ======= ========================== ================ ========== ========== =========== P 0.30 -- 0.36 1 linear primary 48'(*) [50-80] 0.52 L 1.3 -- 1.8 1 linear primary 11.4'(*) 25-35 0.55 -C-high 5.7 -- 7.7 1 circular beam waveguide 2.7' 32-37(*) 0.60 -K 18 -- 26 7 circular Gregorian 0.8'(**) 90(**) 0.45-0.65 +C-high 5.7 -- 7.7 1 circular beam waveguide 2.7' 32-37(*) 0.66 (*) +K 18 -- 26 7 circular Gregorian 0.8'(**) 90(**) [0.66] ======== ========================= ======= ========================== ================ ========== ========== =========== [ ] is an estimate -(*) at the band's central frequency +(*) at the band's central frequency (for C-band: 45 degrees EL @ 7.3 GHz) (**) at 22.3 GHz with opacity 0.1 and ground air temperature of 293K. The FWHM beam size, as a function of the frequency f, can be approximated by the following rule: FWHM(arcmin)=19.7/ f(GHz) @@ -287,7 +287,7 @@ The full bandwidth for this receiver is 500 MHz (1.3-1.8 GHz). RF filters can be More detailed information on the SARDARA backend can be found here: `SARDARA <https://www.worldscientific.com/doi/full/10.1142/S2251171718500046>`_. -Note: for spectroscopic observations in L-band with SARDARA, only total intensity is offered. +Note: for spectroscopic observations in L-band with SARDARA (with the 115 MHz filter), only total intensity is offered. Calibration ===========