{"id":3008,"date":"2015-05-18T09:39:12","date_gmt":"2015-05-18T19:39:12","guid":{"rendered":"http:\/\/www.eaobservatory.org\/jcmt\/?page_id=3008"},"modified":"2018-08-29T12:07:02","modified_gmt":"2018-08-29T22:07:02","slug":"retired-receivers","status":"publish","type":"page","link":"https:\/\/www.eaobservatory.org\/jcmt\/instrumentation\/heterodyne\/retired-receivers\/","title":{"rendered":"Retired Heterodyne Receivers"},"content":{"rendered":"

In the JCMT Science Archive<\/a> one can find data obtained with the following receivers in combination with the retired DAS (Digital Autocorrelating Spectrometer, see JCMT Newletter 1 (July 1993), page 28<\/a>) backend.<\/p>\n

The raw data from these observations obtained after approximately September 1993 (GSD format, version 5.3), have been converted<\/a> to the ACSIS format used by our current backend, and are available through the Science Archive. The data are labelled there with -DAS. E.g., converted observations from RxB3I are found under instrument RxB3I-DAS. These converted raw data should be reduced using the ACSIS pipeline<\/a>.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Rx<\/th>\nTime<\/th>\nFreq
\nGHz<\/th>\n		IF
\nGHz<\/th>\n		\u03b7mb<\/sub><\/th>\n\u03b7fss<\/sub><\/th>\nHPBW
\narcsec<\/th>\n<\/tr>\n
RxA<\/td>\n1989 to 1991<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
RxA2<\/td>\n1993-09-08 to 1998-11-28<\/td>\n205 – 285<\/td>\n1.5<\/td>\n0.69<\/td>\n0.80<\/td>\n19.7<\/td>\n<\/tr>\n
RxA3<\/td>\n1998-12-05 to 2006-02-11<\/td>\n211.5 – 276.5<\/td>\n4.0<\/td>\n0.69<\/td>\n0.80<\/td>\n19.7<\/td>\n<\/tr>\n
RxB2<\/td>\n1993-11-17 to 1993-11-23<\/td>\n330 – 360<\/td>\n3.94<\/td>\n0.58<\/td>\n0.70<\/td>\n14.3<\/td>\n<\/tr>\n
RxB3I<\/td>\n1993-09-09 to 1996-12-01<\/td>\n300 – 380<\/td>\n1.5<\/td>\n0.58<\/td>\n0.70<\/td>\n14.3<\/td>\n<\/tr>\n
RxB3<\/td>\n1997-05-29 to 2006-02-13<\/td>\n310 – 370<\/td>\n4.0<\/td>\n0.63<\/td>\n0.76<\/td>\n13.2<\/td>\n<\/tr>\n
RxC<\/td>\n1989 – 1993<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
RxC2<\/td>\n1993-09-10 to 1998-07-04<\/td>\n450 – 505<\/td>\n3.94<\/td>\n0.52<\/td>\n0.70<\/td>\n10.8<\/td>\n<\/tr>\n
RxWC<\/td>\n1998-07-10 to 2005-08-25<\/td>\n430 – 510<\/td>\n4.0<\/td>\n0.52<\/td>\n0.70<\/td>\n10.8<\/td>\n<\/tr>\n
RxWD<\/td>\n1998-07-10 to 2005-08-25<\/td>\n630 – 710<\/td>\n4.0<\/td>\n0.30<\/td>\n0.60<\/td>\n8.0<\/td>\n<\/tr>\n
MPIRXE<\/td>\n2000-04-13 to 2003-02-01<\/td>\n790 – 840<\/td>\n2.54<\/td>\n0.25<\/td>\n0.50<\/td>\n7.0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

RxB3, RxWC, and RxWD had two channels each, receiving orthogonal linear polarization from nominally the same position on the sky.<\/p>\n","protected":false},"excerpt":{"rendered":"

In the JCMT Science Archive one can find data obtained with the following receivers in combination with the retired DAS (Digital Autocorrelating Spectrometer, see JCMT Newletter 1 (July 1993), page 28) backend. The raw data from these observations obtained after approximately September 1993 (GSD format, version 5.3), have been converted\u2026 Continue reading<\/a><\/p>\n","protected":false},"author":10,"featured_media":0,"parent":162,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/pages\/3008"}],"collection":[{"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/comments?post=3008"}],"version-history":[{"count":27,"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/pages\/3008\/revisions"}],"predecessor-version":[{"id":8701,"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/pages\/3008\/revisions\/8701"}],"up":[{"embeddable":true,"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/pages\/162"}],"wp:attachment":[{"href":"https:\/\/www.eaobservatory.org\/jcmt\/wp-json\/wp\/v2\/media?parent=3008"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}