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oscar 8 wikipedia jump to content main menu main menu move to sidebar hide navigation main page contents current events random article about wikipedia contact us contribute help learn to edit community portal recent changes upload file special pages search search appearance donate create account log in personal tools donate create account log in contents move to sidebar hide top 1 frequencies toggle frequencies subsection 1 1 transponder 1 1 2 transponder 2 2 references toggle the table of contents oscar 8 1 language deutsch edit links article talk english read edit view history tools tools move to sidebar hide actions read edit view history general what links here related changes upload file permanent link page information cite this page get shortened url switch to legacy parser print export download as pdf printable version in other projects wikimedia commons wikidata item appearance move to sidebar hide from wikipedia the free encyclopedia american amateur radio satellite oscar 8 mission type amateur radio satellite operator amsat cospar id 1978 026b 1 satcat no 10703 mission duration 5 years 3 months and 18 days spacecraft properties launch mass 27 2 kilograms 60 lb dimensions 38 cm 38 cm 33 cm 15 in 15 in 13 in power 15 w start of mission launch date 5 march 1978 17 54 utc rocket delta 2910 139 launch site vandenberg slc 2w end of mission last contact 24 june 1983 1983 06 25 orbital parameters reference system geocentric regime low earth semi major axis 7 274 0 km 4 519 9 mi perigee altitude 899 1 km 558 7 mi apogee altitude 907 8 km 564 1 mi inclination 99 0291 period 102 9 minutes epoch 6 february 2020 2 oscar oscar 7 oscar 9 oscar 8 also called ao 08 phase 2d or amsat p2d is an american amateur radio satellite it was developed and built by radio amateurs of the amsat and launched on march 5 1978 as a secondary payload together with the earth observation satellite landsat 3 from vandenberg air force base california united states the satellite had two linear transponders from the 2 meter band uplink to the 10 meter band and the 70 centimeter band downlink frequencies edit transponder 1 edit uplink mhz 145 850 145 900 downlink mhz 29 400 29 500 beacon mhz 29 402 mode ssb cw transponder 2 edit uplink mhz 145 900 146 000 downlink mhz 435 200 435 100 beacon mhz 435 095 mode ssb cw references edit nasa goddard space flight center oscar 8 nssdca master catalog retrieved 6 february 2020 oscar 8 n2yo com retrieved 6 february 2020 spaceflight portal v t e oscar satellites satellites oscar 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 v t e 1977 orbital launches in 1978 1979 kosmos 974 intelsat iva f 3 soyuz 27 kosmos 975 kosmos 976 kosmos 977 kosmos 978 kosmos 979 kosmos 980 kosmos 981 kosmos 982 kosmos 983 kosmos 984 kosmos 985 progress 1 molniya 3 no 20 kosmos 986 fanhui shi weixing 4 iue kosmos 987 kyokko kosmos 988 ops 6291 kosmos 989 ume 2 kosmos 990 ops 5111 ops 6031 kosmos 991 soyuz 28 molniya 1 39 kosmos 992 landsat 3 oscar 8 pix 1 kosmos 993 kosmos 994 ops 0460 ops 7858 kosmos 995 ops 9439 ops 9440 kosmos 996 kosmos 997 kosmos 998 kosmos 999 kosmos 1000 intelsat iva f 6 kosmos 1001 kosmos 1002 ops 8790 yuri 1 kosmos 1003 hcmm ops 6183 kosmos 1004 ots 2 kosmos 1005 kosmos 1006 ops 5112 kosmos 1007 kosmos 1008 kosmos 1009 pioneer venus orbiter kosmos 1010 kosmos 1011 kosmos 1012 ekran no 13l molniya 1 40 kosmos 1013 kosmos 1014 kosmos 1015 kosmos 1016 kosmos 1017 kosmos 1018 kosmos 1019 kosmos 1020 kosmos 1021 ops 9454 kosmos 1022 ops 4515 soyuz 29 goes 3 kosmos 1023 seasat soyuz 30 kosmos 1024 kosmos 1025 comstar 1c kosmos 1026 progress 2 geos 2 molniya 1 41 gran no 14l kosmos 1027 ops 7310 kosmos 1028 progress 3 pioneer venus multiprobe isee 3 ekran no 15l molniya 1 41 soyuz 31 kosmos 1029 kosmos 1030 venera 11 kosmos 1031 venera 12 jikiken kosmos 1032 kosmos 1033 progress 4 kosmos 1034 kosmos 1035 kosmos 1036 kosmos 1037 kosmos 1038 kosmos 1039 kosmos 1040 kosmos 1041 kosmos 1042 ops 5113 kosmos 1043 molniya 3 no 22 tiros n kosmos 1044 ekran no 14l nimbus 7 cameo interkosmos 18 magion 1 kosmos 1045 rs 1 rs 2 prognoz 7 kosmos 1046 einstein kosmos 1047 kosmos 1048 nato 3c kosmos 1049 kosmos 1050 kosmos 1051 kosmos 1052 kosmos 1053 kosmos 1054 kosmos 1055 kosmos 1056 kosmos 1057 kosmos 1058 kosmos 1059 kosmos 1060 ops 5114 ops 9441 ops 9442 kosmos 1061 kosmos 1062 anik b1 drims kosmos 1063 gorizont no 11l kosmos 1064 kosmos 1065 kosmos 1066 kosmos 1067 kosmos 1068 kosmos 1069 payloads are separated by bullets launches by pipes crewed flights are indicated in underline uncatalogued launch failures are listed in italics payloads deployed from other spacecraft are denoted in brackets retrieved from https en wikipedia org w index php title oscar_8 oldid 1343059532 categories satellites orbiting earth amateur radio satellites spacecraft launched in 1978 hidden categories articles with short description short description matches wikidata this page was last edited on 12 march 2026 at 01 17 utc page was rendered with parsoid text is available under the creative commons attribution sharealike 4 0 license additional terms may apply by using this site you agree to the terms of use and privacy policy wikipedia is a registered trademark of the wikimedia foundation inc a non profit organization privacy policy about wikipedia disclaimers contact wikipedia legal safety contacts code of conduct developers statistics cookie statement mobile view search search toggle the table of contents oscar 8 1 language add topic