urn:nasa:pds:venus_radar_level2:document:user_guide 1.0 1.16.0.0 Product_Document Campbell, Bruce 2021 Description of the Earth-Based Radar Observations of Venus Multi-Look Map Products PDS Archive. 2021-07 1.0 Initial version. 1988-06-17Z 2020-05-30Z Science Derived B. Campbell Venus Earth-Based Radar Observations Individual Investigation urn:nasa:pds:context:investigation:individual.campbell_venus_radar document_to_investigation Arecibo Observatory Host urn:nasa:pds:context:facility:observatory.arecibo is_instrument_host 305-m fixed spherical reflecting antenna Instrument urn:nasa:pds:context:telescope:arecibo.305m is_telescope Arecibo Planetary Radar Transmitter Instrument urn:nasa:pds:context:instrument:arecibo.305m.trans_s is_instrument Arecibo 2380 MHz Radar Receiver Instrument urn:nasa:pds:context:instrument:arecibo.305m.recv_s is_instrument Green Bank Observatory Host urn:nasa:pds:context:facility:observatory.gbo is_instrument_host Robert C. Byrd Green Bank Telescope Instrument urn:nasa:pds:context:telescope:gbo.gbt_100m is_telescope Green Bank Telescope 4mm Receiver Instrument urn:nasa:pds:context:instrument:gbo.gbt_100m.4mm_receiver is_instrument Venus Planet urn:nasa:pds:context:target:planet.venus document_to_target Earth-Based Radar Observations of Venus Multi-Look Map Products PDS Archive Description Campbell, Bruce 2021-07 1 PDF Edition English 1 venus_radar_maps_user_guide.pdf PDF/A