"expr":"# obtain geographical location as a \"geohash\" label\r\nlabel_join(ds_antenna_reference_geohash_info{host=\"$station\"}, \"geohash\", \"\", \"str_value\")\r\n\r\n# obtain antenna name as an \"antenna_name\" label\r\n* on(x, member) group_right(geohash)\r\nlabel_join(ds_antenna_names_info{host=\"$station\"}, \"antenna_name\", \"\", \"str_value\")\r\n\r\n# obtain antenna quality\r\n* on(x, member) group_right(geohash, antenna_name)\r\nlabel_join(ds_antenna_quality_str_info{host=\"$station\"}, \"antenna_quality\",\"\",\"str_value\")\r\n\r\n# # obtain the value of the marker\r\n* on(x, member) group_right(geohash, antenna_name, antenna_quality)\r\nds_antenna_quality{host=\"$station\", access=\"r\"}",
"expr":"# obtain geographical location as a \"geohash\" label\r\nlabel_join(ds_antenna_reference_geohash_info{host=\"$station\"}, \"geohash\", \"\", \"str_value\")\r\n\r\n# obtain antenna name as an \"antenna_name\" label\r\n* on(x, member) group_right(geohash)\r\nlabel_join(ds_antenna_names_info{host=\"$station\"}, \"antenna_name\", \"\", \"str_value\")\r\n\r\n# # obtain the value of the marker\r\n* on(x, member) group_right(geohash, antenna_name, antenna_quality)\r\n(\r\n # select antennas that are in an active field and in the usage mask\r\n (sum by (member) (label_join(ds_active_antenna_fields_info,\"member\",\"\",\"str_value\")) * on(member) group_right ds_antenna_usage_mask{access=\"r\",family=\"DigitalBeam\"}) or\r\n # add antennas in inactive fields\r\n (ds_antenna_usage_mask{access=\"r\",family=\"DigitalBeam\"} * 0)\r\n)\r\n",
