Note: The Satellite Experimenter's Handbook has a lot of specific satellite information. 1961 February Project OSCAR (Background) p. 55 (Orr) 2 pages Project OSCAR (Future) p. 56 (Stoner) 8 pages May ARRL Adopts OSCAR p. 64 (Happenings) 1 page Ground Support for Project OSCAR p. 45 (Elementary Tracking Principles & 4 pages Procedures) July OSCAR I Test (Photo) p. 39 (Strays) 1 page Project OSCAR Measurements and p. 59 Tracking 6 pages September Handling OSCAR Reports by Radiogram p. 18 (Gmelin) 5 pages Tracking Information for the OSCAR p. 46 Satellite 5 pages November OSCAR p. 9 (Editorial) 1 page 1962 February OSCAR p. 9 (Editorial) 1 page Sixty Years of Radio Amateur p. 11 Communication (Marconi to the OSCAR 7 pages Satellite) OSCAR Congratulations p. 16 (11 Telegrams; Vice President 2 pages Lyndon B. Johnson) February The Honor Roll: OSCAR Participants p. 18 (Introduction by W6SAI) 1 page Communications for Project OSCAR p. 19 (Control Center) 4 pages February The OSCAR Satellite p. 21 (Gabrielson) 6 pages March Making Your Own Orbital Predictions p. 23 from Doppler Measurements 6 pages An Unexpected OSCAR Dividend p. 42 (Milner) 1 page Looking Forward to OSCAR II p. 51 (Orr) 1 page May Keeping Track of OSCAR (Some Simple p. 15 Methods) 3 pages April Eyeball and Eardrum Doppler Tracking p. 44 (Norgaard) 5 pages June Space-Age Antenna Ideas (For OSCAR, p. 11 Echo, Moonbounce) 6 pages OSCAR II Flight Imminent p. 43 (Project OSCAR) 1 page September OSCAR I: A Summary of World's First p. 46 Radio-Amateur Satellite 8 pages October A Statement from Project OSCAR p. 63 (By K6SPK, Secretary, Project 1 page OSCAR, Inc.) 1963 February The OSCAR II V.H.F. Translator p. 42 Satellite 3 pages April OSCAR Exhibit in Geneva p. 49 (Includes 2 photos) 1 page OSCAR II: A Summation p. 53 (Orr) 6 pages October Project OSCAR Finds a New Home p. 26 (Orr) 1 page 1964 May Communicating Through OSCAR III p. 26 (Tellefsen & Gabrielson) 4 pages June OSCAR III - Technical Description p. 16 (Walters) 3 pages July Experiments with OSCAR III p. 39 (Gabrielson & Tellefsen) 4 pages August Using the OSCAR III Communication p. 17 Satellite 5 pages October A Different Satellite-Tracking p. 34 Antenna System 4 pages 1965 January The OSCAR III Telemetry System p. 29 (Norgaard & Orr) 1 page February "Quickie" Orbital Predictions for p. 11 (Orr & Walters) OSCAR III Compatability With p. 17 Transmit-Receive Converters 4 pages Recording OSCAR III p. 20 (Flink) 1 page Slow-Scan Via OSCAR III p. 20 (Miller) 1 page March OSCAR III Orbital Predictions And p. 11 How To Use Them 4 pages OSCAR III p. 15 (Photos only) 1 page Making Use of OSCAR III Telemetry p. 16 Signals 3 pages April OSCAR III p. 94 (Data Reporting Form) 1 page May Orbital Predictions for OSCAR III p. 60 (Gabrielson) 3 pages OSCAR III Orbits The Earth! p. 56 (Orr) 4 pages Calls Heard OSCAR III p. 64 (Photos only) 1 page Some OSCAR Participants p. 65 (Photos only) 1 page June OSCAR III And W6EE p. 28 (Orr) 4 pages Congratulations to Project OSCAR p. 80 (More pictures) 2 pages December OSCAR III Report (Lists of calls p. 84 heard) 6 pages OSCAR IV Launch Announcement p. 41 1 page 1966 January OSCAR IV Due December 21 p. 10 1 page Project OSCAR Wins Christopher p. 31 Columbus Award 1 page February OSCAR IV (Photos of satellite) p. 80 (World Above 50) 2 pages March W0LER station p. 81 (photo) 1 page W0UBD & K0MHC solid-state telemetry p. 83 unit for OSCAR - photo 1 page August OSCAR IV - Transatlantic p. 72 (WA5O) 1 page IBM Development Lab telemetry unit p. 73 (Photos) (WA5O) 2 pages 1967 February 144-432 Array For Work with OSCAR IV p. 91 (Photo of W6QJW) (WA5O) 1 page March Project OSCAR - A Progress Report p. 56 (Gabrielson) 4 pages April German OSCAR Package Completed p. 87 (WA5O) 1 page July Australis-Oscar Arrives in U.S. p. 58 1 page 1968 November Antipodal Reception of OSCAR Signals p. 32 (Soifer) 2 pages 1969 June Amsat (Radio Amateur Satellite Corp.) p. 54 (Klein & Tynan) 2 pages July Australis-OSCAR - design, p. 58 construction, operation 4 pages August Australis-OSCAR 5 and You! p. 69 (Dunkerley) 1 page August Obtaining Data From Australis- p. 70 OSCAR 5 4 pages September Australis-OSCAR 5 Progress Report p. 47 1 page October Australis-OSCAR 5 - Where It's At p. 54 (Danielson & Glick) 3 pages Odds and Ends p. 100 (WA5O) 1 page November Australis-OSCAR 5 at WA1IOX p. 61 1 page December Proposed Experiments With p. 54 Australis-OSCAR 5 2 pages 1970 January Australis-OSCAR 5, When To Listen p. 50 (Glick & Dunkerley) 2 pages Third Party Traffic Agreement, p. 78 Special W/VK 1 page February Reception of Numbus III Infrared p. 51 Pictures 1 page March An Aid for Plotting Satellite Orbits p. 50 (Edler) 2 pages Australis-OSCAR 5 Bibliography p. 86 (From 7/67 to 1/70) 1 page April The Launch Story of Australis- p. 60 OSCAR 5 2 pages Australis-OSCAR 5 p. 98 (Corresp. from Members) 1 page May Third Party Traffic Agreements, p. 72 Special VE/VK 1 page Australis-OSCAR 5 p. 75 (Corresp. from Members) 1 page June A Bonus to the Public p. 58 (Tynan) 2 pages W1AW Adopts Project Australis p. 85 (I.A.R.U. News) 1 page August Who Needs 'Em? p. 62 (Corresp. from Members) 1 page World Conference Preparation p. 89 (Happenings) 4 pages National Radio Amateur Satellite p. 99 Conference 1 page September IEEE Eascon p. 56 (Strays) 1 page Space Conference Preparations p. 94 (I.A.R.U. News) 1 page Australis-OSCAR 5 QSL p. 104 (Strays) 1 page October Frequency Multiplication Techniques p. 32 for VHF and UHF SSB 4 pages Australis-OSCAR 5 Ionospheric p. 54 Propagation REsults 4 pages Third Party Traffic Agreement p. 89 Extended, W/VK 1 page December Australis-OSCAR 5 Spacecraft p. 64 Performance 6 pages 1971 January Amsat Report p. 76 (I.A.R.U. News) 1 page February Special VE/VK 3rd Party Agreement p. 78 (I.A.R.U. News) 1 page Amsat Net p. 74 (Stray) 1 page March Amateur Space Communications -- A p. 58 Status Report 2 pages Photo (see report on page 58) p. 61 (Strays) 1 page April Geneva Group Studies Ham Satellites p. 89 (I.A.R.U. News) 1 page NASA Approves A-O-B Launch p. 78 (Happenings) 1 page May OSCAR Aircraft Competition p. 66 (Dunkerley) 2 pages ITU Study Group p. 88 (I.A.R.U. News) 1 page July Gentlemen's Agreements Needed p. 88 (Corresp. from Members) 1 page WA1IOX (photo) p. 70 (Strays) 1 page August OSCAR Aircraft Competition Results p. 64 (Soifer) 2 pages Geneva - 1971 p. 9 (Editorial) 1 page September The 1971 Space Conference p. 78 (Huntoon) 3 pages 1972 January Amsat Aircraft Test; Prototype of p. 70 Repeater Scheduled for Launch 1 page March Are You Ready...for the Coming DX p. 58 Openings? 2 pages Amateur Aboard Skylab!...But Ham p. 75 Station Nixed 2 pages May How To Get Ready For OSCAR DX p. 69 (Dunkerley) 3 pages OSCAR Gets FCC Okays p. 102 (Happenings) 1 page OSCAR 6 Package Built by W3DTN p. 116 (WA5O) 1 page June "Houston, This is Apollo..." p. 60 (Wilson & Knadle) 6 pages QSP Via Satellite p. 72 (Hart) 2 pages August Launch of Amsat--OSCAR C Rescheduled p. 78 for November on Nimbus E 2 pages October How to Predict OSCAR DX p. 61 (Dunkerley) 1 page October Australia Announces Authorization of p. 95 Transponder Use by Limited Licensees 1 page November Satellites and Sweepstakes Contest; p. 55 New Communications Facility; 1 page Repeaters; Telemetry; Educational Demonstrations OSCAR 6 - Successfully Launched on p. 116 October 15, 1972 1 page December Itos-D Mission - Amateur p. 58 Communications Satellite 3 pages Power Violations Re OSCAR p. 85 2 pages 1973 January Crossed Yagi Antennas for Circular p. 21 Polarization 4 pages Activity through OSCAR 6 Two-to-Ten- p. 57 Meter Translator 2 pages Science for the Navy and the Nation p. 58 (Lorenzen) 3 pages Space Center Radio, WM4SFC p. 76 (Happenings) 1 page U. of Hartford Aerospace Workshop p. 84 (Strays) 1 page February OSCAR 6 QSL p. 62 (Photo) 1 page OSCAR 6 - Two-Meter Contacts p. 77 (1 photo) 1 page OSCAR 6 - 144 MHz p. 87 (WA5O) (Including 2 photos) 2 pages March ARRL OSCAR 6 "1000" Award p. 64 (Including 1 photo) 2 pages Use of OSCAR 6 in VHF SS p. 76 (Corresp. from members) 1 page OSCAR 6 - WB2WIK p. 100 (WA5O) (Including 1 photo) 1 page April Satellite DX Achievement Award p. 77 (Including 1 photo) 1 page May Range Measurements with OSCAR 6 p. 36 (Meinzer) 3 pages OSCAR 6 - Mobile Operation; Traffic; p. 62 Antenna Experimentation 2 pages May Field Day use of OSCAR p. 80 (Rules for '73 FD) 1 page May Repeater Plea - Interference from p. 102 OSCAR Users 1 page Doppler Anomaly on OSCAR 6 432-MHz p. 105 Beacon 2 pages June A Simple Az-E1 Antenna System for p. 11 OSCAR 2 pages VXO for OSCAR 6 p. 48 (H & K) 1 page OSCAR Users - Tabulation p. 61 (Results VHF SS) 1 page EXtending Lifetime of OSCAR; Field p. 70 Day; W2GN WAS Expeditions; WVE 2 pages Satellite AWard (Includes 2 photos) AMSAT - ARRL Technical Merit Award p. 79 (Happenings) (Includes 1 photo) 1 page OSCAR 6 Contacts with No. America p. 102 By Berlin VHFers 1 page K2UYH to VK2AMW, 432 MHz! p. 103 (WA5O) 1 page "Rusty" Lanier, ZE1PY -- 300 Contacts p. 104 via OSCAR 6 1 page VK2AMW - 30-foot Dish Antenna p. 105 (WA5O) (photo) 1 page July Repetitive Orbits of OSCAR 6 p. 45 (Technical Correspondence) 1 page W6OAL - Aeronautical Mobile; KH6IJ - p. 65 Satellite DX Award; WA7LUN 1 page July Sixth Amateur Satellite - A Technical p. 66 Report - Part I 7 pages KH6IJ - Wins Cover Plaque p. 97 (Photo) 1 page August Field Day contacts via OSCAR; 49 p. 61 States worked; Communications Info 1 page System (Includes 1 photo) Sixth Amateur Satellite - A Technical p. 69 Report - Part II 7 pages August DJ7AA - 2-Meter Helix and 10-Meter p. 107 Quad for OSCAR 6 Work (photo) 1 page Editorial on Satellite Mode - W0LER p. 110 (WA5O) 1 page OSCAR 7 - Prototypes for 2304-MHz p. 111 Beacon Transmitter 1 page September W3TMZ WAS via OSCAR; OZ7DX/MM p. 96 (Includes 1 photo) 1 page OSCAR 6 - Satellite Work - W0EMS p. 101 (WA5O) (photo) 1 page October Instant OSCAR Antenna p. 33 (H & K) 1 page Satellite DXing - Caribbean Style p. 49 (2 photos) 2 pages OSCAR 7 Approved by NASA p. 92 (Happenings) 1 page OSCAR 6 QSO - DC7CA; K1HTV p. 95 (photo) 1 page November Satellite DX Achievement Award p. 38 (3 photos) 1 page Heterodyne Exciter for 432 MHz p. 47 (Moretti) 5 pages List of OSCAR 6 Users p. 63 (REsults 1973 Field Day) 1 page November Traffic Handling via OSCAR 6 p. 74 (Mann) 1 page December Facts about OSCAR 6; AOB Translator p. 52 Tests (2 photos) 2 pages OSCAR 7 Scheduled for Spring '74 p. 80 Launch 1 page 1974 January Satellite Program Funding - Waters p. 60 1 page Caribbean DXpedition - OSCAR 6 Style p. 61 (Oscar News) 1 page February OSCAR 7 and its Capabilities - p. 56 (G3ZCZ/W3, W3GEY) 5 pages OSCAR Educational Program p. 61 (Oscar News) 1 page March Making Your Own Satellite Tracking p. 40 Nomograph - KH6IJ 3 pages Simple Approach to 2300 KHz Space p. 88 Reception 1 page April Sub - Bands for Phone and CW? First p. 82 NA - Africa QSO 2 pages May Instant OSCAR 6 Locator - W0CY p. 11 2 pages A Satellite Timing Mechanism - VE4AS p. 13 3 pages How do I Work through OSCAR? p. 62 (Oscar News) 2 pages June Using OSCAR 6 on Field Day p. 65 (Oscar News) 2 pages Satellite Service Comments p. 68 (Happenings) 1 page September A simple 146 MHz Antenna for OSCAR p. 11 Ground Stations - K2UBC 3 pages Simulated Emergency to Demonstrate p. 51 Amateur Satellite Capabilities 1 page November A two - Band Delta - Loop Array for p. 11 OSCAR - VE4AS 3 pages OSCAR 7 Schedule - Oscar News p. 81 1 page 1975 January An Inexpensive Low Noise Pre- p. 21 amplifier for 432 MHz - K3WJQ 2 pages OSCAR 7 - It Works! p. 49 (Oscar News) 1 page OSCAR 7 - First Day Covers p. 51 1 page January The Foundation - A Progress Report p. 53 WB4WQM 1 page February Reading the OSCAR 7 Telemetry p. 63 (Oscar News) 1 page March An Up - Converter for OSCAR Reception p. 41 W1SL 4 pages May A Parallel 4CX250 B Amplifier for p. 11 144 MHz - W9OJI 4 pages Amateur Radio Boosts Education - p. 47 Dirrigl 4 pages June A Hybrid Ten - to - Two Transverter - p. 26 W2GQK 4 pages August ARRL Foundation Adopts Goals p. 76 (Happenings) 1 page September OSCAR Education Program p. 78 (WA5O) 1 page October Greeks Get OSCAR 7 Privileges p. 80 (IARU News) 1 page November A General Technique for Satellite p. 29 Tracking - Thompson 6 pages December Janel Lab Converters p. 40 (Recent Equip) 2 pages 1976 January A Tramplifier for 432 MHz p. 11 (McMullen/Greene) 5 pages February OSCAR Educational Program p. 33 March Amateurs Assault the Artic Again p. 21 (Strays) 1 page Amsat - OSCAR 7, Mode B Operation p. 40 Made Easier 1 page May OSCAR Satellites Enjoy World Wide p. 41 Popularity 1 page Easy on OSCAR: OSCAR is Easy p. 46 (Correspondence) 1 page OSCAR Doings p. 51 (WA5O) 1 page July OSCAR 6 p. 88 (Strays) (Photo) 1 page August Once Upon a Time... p. 52 (Kozor) 1 page Model of Amsat/OSCAR 8 by K6PGX p. 84 (Strays) (Photo) 1 page September OSCARs Help Dedicate New Air and p. 44 Space Museum 2 pages Canada Tests OSCAR for Emergency p. 68 Location 1 page October OSCAR Medical Data p. 42 (Kleinman) 2 pages November 13 Year Old with a Talent - OSCAR p. 24 (Strays) 1 page A Tip of the Hat p. 47 (Lumsden) 2 pages November The Oscarlocator p. 51 (Harris/Kleinman) 2 pages WA4MVI Photo p. 63 (Strays) 1 page Amsat OSCAR 7 p. 63 (Strays) 1 page East Coast to Bermuda to Two Meters p. 77 (Wa5O) 1 page An Improved AMSAT OSCAR Orbital Data p. 98 Calendar 1 page December Where's OSCAR? p. 21 (Strays) 1 page OSCAR Goes to School p. 43 (Kleinman) 3 pages 1977 January Using the Alliance U-100 Rotator for p. 45 Elevating Satellite Antennas 1 page Getting to Know OSCAR from the Ground p. 50 Up (Part 1) 3 pages January AMSAT-OSCAR Phase III p. 60 (Strays) 1 page Transequatorial Signals Heard on p. 78 146 MHz 1 page February Getting to Know OSCAR from the Ground p. 53 Up (Part 2) 4 pages March OSCAR Program is 15 p. 17 (Strays) 1 page Getting to Know OSCAR from the Ground p. 52 Up (Part 3) 4 pages OSCAR First Day Covers p. 55 (Strays) 1 page April OSCAR's CW Birthday Message p. 28 (Strays) 1 page Getting to Know OSCAR from the Ground p. 58 Up (Part 4) 3 pages ARRL Helps with OSCAR 8 p. 73 (Happenings) 1 page OSCAR - What Has it Done for us p. 87 Lately? 1 page May Chicago-area OSCAR p. 43 (Strays) 1 page Getting to Know OSCAR from the Ground p. 50 Up (Part 5) 5 pages The ARRL Foundation: We'll Put You p. 62 in Orbit 1 page Want to Hear a Satellite? p. 84 (Strays) 1 page June Phase III: Toward the Ultimate p. 11 Amateur Satellite (Part 1) 4 pages Amsat Booth at the Orlando Hamcation p. 14 (Strays) (Photo) 1 page Educators Learn about OSCAR and p. 48 Amateur Radio 2 pages June See OSCAR and Lots More at Kennedy p. 50 Space Center 2 pages July A 60-Watt Solid-State UHF Linear p. 42 Amplifier 4 pages Phase III: Toward the Ultimate p. 52 Amateur Satellite (Part 2) 4 pages August Phase III: Toward the Ultimate p. 11 Amateur Satellite (Part 3) 3 pages Schedule of Orbits for Amsat-OSCAR 7 p. 57 (Strays) 1 page OSCAR 7 Exhibit p. 87 (Strays) (Photo) 1 page October Update Your OSCARLOCATOR - And Your p. 47 Amateur Radio Library 1 page November OSCAR 6: Gone But Not Forgotten p. 31 1 page Russian Satellite p. 12 1 page 1978 January QST p. 55 A Brand-New OSCAR 3 pages February QST p. 38 Tracking the Next OSCAR 3 pages March QST p. 23 Locating Geosynchronous Satellites April QST p. 45 His Computer Does The Operating 2 pages May QST p. 39 OSCAR in the Classroom 3 pages July QST p. 39 OSCAR 8 Has A Message For You 4 pages September QST p. 59 Satellite DXCC Number 1 1 page (Stray) November QST p. 21 $5 Filter Solves OSCAR Mode J Desense 1 page Problem (Stray) December QST p. 50 The Easy Way to OSCAR 8 Mode J (Part 1) 2 pages QST p. 54 Two Russian Amateur Radio Satellites 1 page Launched 1979 January QST p. 56 The Easy Way to OSCAR 8 Mode J - Part 2 2 pages February QST p. 38 Circular Orbits With Simple Computing 5 pages Systems June QST p. 19 An Accurate, Low-Cost Antenna Elevation System September QST p. 24 A Radio-Compass Antenna-Elevation Indicator December QST p. 61 AMSAT-OSCAR Phase III On the Horizon - 4 pages Part 1 1980 April QST p. 64 AMSAT-OSCAR Phase III On the Horizon - 5 pages Part 2 May QST p. 11 Circular Polarization and OSCAR 5 pages Communications QST p. 46 AMSAT-OSCAR Phase III On the Horizon - 5 pages Part 3 July QST p. 45 Phase III Suffers Watery Fate 1 page QST p. 9 "It Seems To Us" Press On 1 page QST p. 38 A Look at OSCAR 7 Telemetry 1 page September QST p. 54 Rules Adopted for Amateur Satellite 1 page Services 1981 April QST p. 20 Printing Pictures from "Your" 6 pages Weather Geostationary Satellite October QST p. 78 UoSAT Microwave Beacons 1 page December QST p. 69 UoSAT - OSCAR 9 1 page 1982 February QST p. 56 Soviet Amateur Satellites Launched 1 page March QST p. 56 There's No Such Thing as a Free Launch 2 pages July QST p. 45 Amateur Radio Sputniks 3 pages 1983 February QST p. 80 Phase IIIB Satellite Promises New 1 page Excitement and Communication Capability March QST p. 24 AMSAT Nets Schedule 1 page QST p. 52 Happy Anniversary, AMSAT-OSCAR 8 2 pages April QST p. 49 AMSAT's Phase III Satellite: What's 4 pages In it... QST p. 74 AMSAT Recv's $20,000 Grant From ARRL 1 page May QST p. 19 2-Meter Satellite Trans., A Minimum 4 pages 4 pages QST p. 48 Phase IIIB Spce. Serv. Channels: A 4 pages Prime Opport July QST p. 46 W5LFL: 1st Ham in Space 1 page August QST p. 50 Space Shuttle Columbia Calls All 3 pages Amateurs QST p. 52 Birth of An Era - AMSAT-OSCAR 10 2 pages September QST p. 15 Build a Satellite Transceiver Adapter 4 pages QST p. 47 Finding OSCAR 10 3 pages QST p. 50 Owen Garriott: Man Behind the Mission 1 page QST p. 51 They Made the 1st Space Operation 1 page Possible November QST p. 65 AMSAT-OSCAR 10 - A Tribute 1 page 1984 January QST p. 88 AMSAT Annual Meeting & Symposium 1 page QST p. 11 W5LFL! Well Done 4 pages February QST p. 79 W5LFL Makes Amateur Radio History 1 page March QST p. 91 Amateur Radio Equip. Planned for 1 page Shuttle Mission April QST p. 83 OSCARLOCATOR Second Revision 1 page QST p. 16 The "Quadraquad" - Circular 3 pages Polarization the Easy Way May QST p. 87 UoSAT-OSCAR 11 Launched 1 page June QST p. 45 Columbia, From the Spacecraft 1 page QST p. 81 Amateur Radio Space Shuttle 1 page Equipment, Second July QST p. 77 UoSAT-OSCAR 11 Back in Service 1 page August QST p. 14 Hand-Held in Space, Amateur Radio 4 pages August QST p. 23 UoSAT-OSCAR 9 Telemetry, Micro- 6 pages computer Program QST p. 73 Space Perspectives 1 pages QST p. 46 September Space Shuttle 007 Away Spec. 1 page QST p. 61 AMSAT-OSCAR 10 Beacon and 1 page Transponder Schedule October QST p. 65 Satellite WAS, What Ever Happened to? 1 page November QST p. OSCAR 10 Interim Operating Schedule 1 page in Effect December QST p. 12 Shuttle Flight, Another Ham picked 1 page For... QST p. 75 AMSAT-OSCAR 10 Has New Operating 1 page Schedule QST p. 14 A Helical Antenna for Space Shuttle 5 pages Communication 1986 April QST p. 32 Adventures in Satellite DX; Part I 2 pages May QST p. 24 A Mode-L Parabolic ANtenna and 4 pages Feedhorn for Oscar 10 QST p. 28 Adventures in Satellite Dx; Part II 6 pages June QST p. 27 Adventures in Satellite DX; Part III 6 pages July QST p. 23 Adventures in Satellite DX; Part IV 7 pages 1987 July QEX p. 10 Satellite Tracking Using a Single Axis 4 pages September QEX p. 3 The TAPR PSK MODEM (Fuji-OSCAR 12) September QEX p. 9 Some Thoughts on Emergency Use of Phase IIIC and Phase IV October QST p. 64 Where to Get Oscar Information 1 page 1989 May QST p. 37 Microsat - The Next Generation of Oscar Satellites - Part I June QST p. 53 Microsat - The Next Generation of Oscar Satellites - Part II 1990 January QST p. 24 Circularly-Polarized Quagi Antennas for Space Communications February QST p. 46 Amateur Radio is Back on the Shuttle 1991 March QST p. 25 Tuning OSCAR with Separate Radios