This is the Johns Hopkins APL Technical Digest archive site, where you can find all issues and articles published from 1961 to 2024. Looking for issues or articles published after 2025? Visit our new site.
The Technical Digest was published as the APL Technical Digest from 1961 to 1977, volumes 1–16. In 1980 publication began again with volume 1, with the new title of the Johns Hopkins APL Technical Digest.
| Volume 37 |
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| Vol. 37-3. Concept Design and Realization Branch—Part II (2024) |
| Vol. 37-2. APL Research and Development (2024) |
| Vol. 37-1. New Horizons: Completing the Initial Reconnaissance of the Solar System (2023) |
| Volume 36 |
|---|
| Vol. 36-4. Concept Design and Realization Branch—Part I (2023) |
| Vol. 36-3. APL’s Discovery Program (2022) |
| Vol. 36-2. Revolutionizing the Art of Strike and Air Combat (2022) |
| Vol. 36-1. APL Research and Development (2022) |
| Volume 35 |
|---|
| Vol. 35-4. Looking Ahead: APL at 100 (2021) |
| Vol. 35-3. Exploring Immersive Technology at APL (2020) |
| Vol. 35-2. Integrated Air and Missile Defense (2020) |
| Vol. 35-1. The DARPA SC2 Colosseum Test Bed (2019) |
| Volume 34 |
|---|
| Vol. 34-4. A Snapshot of Engineering for Resilience at APL (2019) |
| Vol. 34-3. APL Research and Development (2018) |
| Vol. 34-2. APL Celebrates 75 Years (2018) |
| Vol. 34-1. Orbiting Planet Mercury: Engineering Innovations (2017) |
| Volume 33 |
|---|
| Vol. 33-4. Rapid Fielding of Capability to the Fleet (2017) |
| Vol. 33-3. Van Allen Probes (2016) |
| Vol. 33-2. APL Research and Development (2015) |
| Vol. 33-1. Wireless Networking and Communications Technologies at APL (2015) |
| Volume 32 |
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| Vol. 32-5. APL Research and Development (2014) |
| Vol. 32-4. Global Health Surveillance (2014) |
| Vol. 32-3. Autonomous Systems (2013) |
| Vol. 32-2. Trustworthy Computing at APL (2013) |
| Vol. 32-1. APL Research and Development (2013) |
| Volume 31 |
|---|
| Vol. 31-4. Biomedicine at APL (2013) |
| Vol. 31-3. Science and Technology for Precision Engagement – Part II (2013) |
| Vol. 31-2. Science and Technology for Precision Engagement – Part I (2013) |
| Vol. 31-1. Applied Systems Engineering – Part II (2012) |
| Volume 30 |
|---|
| Vol. 30-4. Photonics at APL (2012) |
| Vol. 30-3. Biomedicine: Revolutionizing Prosthetics (2011) |
| Vol. 30-2. Communications and Networking Technologies (2011) |
| Vol. 30-1. Human Dynamics (2011) |
| Volume 29 |
|---|
| Vol. 29-4. APL Applied Systems Engineering—Part I (2011) |
| Vol. 29-3. National Security Space (2010) |
| Vol. 29-2. Global Engagement at APL (2010) |
| Vol. 29-1. Homing Missile Guidance and Control (2010) |
| Volume 28 |
|---|
| Vol. 28-4. APL Research and Development (2010) |
| Vol. 28-3. APL Collaborations Within JHU (2010) |
| Vol. 28-2. STEREO—The Solar Terrestrial Relations Observatory (2009) |
| Vol. 28-1. Electronic and Electro-Optical Packaging (2008) |
| Volume 27 |
|---|
| Vol. 27-4. Public Health Informatics (2008) |
| Vol. 27-3. APL Research and Development (2007) |
| Vol. 27-2. Planetary Science (2006) |
| Vol. 27-1. APL Research and Development (2006) |
| Volume 26 |
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| Vol. 26-4. APL Science and Technology Vision (2005) |
| Vol. 26-3. APL's Role in Education (2005) |
| Vol. 26-2. Space Science (2005) |
| Vol. 26-1. Research and Development (January–March 2005) |
| Volume 25 |
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| Vol. 25-4. Communications Systems Development (October–December 2004) |
| Vol. 25-3. Biomedical Engineering (July–September 2004) |
| Vol. 25-2. APL Research and Development (April–June 2004) |
| Vol. 25-1. Counterproliferation Sensors (January–March 2004) |
| Volume 24 |
|---|
| Vol. 24-4. Counterterrorism and Homeland Security (October–December 2003) |
| Vol. 24-3. Maritime Patrol Aviation (July–September 2003) |
| Vol. 24-2. TIMED Technology Advances (April–June 2003) |
| Vol. 24-1. Science and Technology in Service to the Nation (January–March 2003) |
| Volume 23 |
|---|
| Vol. 23-4. Undersea Warfare (October–December 2002) |
| Vol. 23-2-3. Air Defense Part III—Battle Force Engineering (April–September 2002) |
| Vol. 23-1. NEAR Shoemaker at Eros (January–March 2002) |
| Volume 22 |
|---|
| Vol. 22-4. Air Defense Part II—Combat Systems (October–December 2001) |
| Vol. 22-3. Air Defense Part I—Missile Defense (July–September 2001) |
| Vol. 22-2. Technology Transfer for Space Applications (April–June 2001) |
| Vol. 22-1. Millennial Challenges (January–March 2001) |
| Volume 21 |
|---|
| Vol. 21-4. Technical Services at APL (October–December 2000) |
| Vol. 21-3. Warfare Analysis Part II (July–September 2000) |
| Vol. 21-2. Warfare Analysis Part I (April–June 2000) |
| Vol. 21-1. Coastal and Marine Applications of Wide Swath SAR (January–March 2000) |
| Volume 20 |
|---|
| Vol. 20-4. Space Department: 40th Anniversary Issue (October–December 1999) |
| Vol. 20-3. DARPA at APL (July–September 1999) |
| Vol. 20-2. Sensors and Sensor Systems (April–June 1999) |
| Vol. 20-1. Electronic Packaging (January–March 1999) |
| Volume 19 |
|---|
| Vol. 19-4. Strategic Systems Department: 40th Anniversary Issue (October–December 1998) |
| Vol. 19-3. Research and Development Updates (July–September 1998) |
| Vol. 19-2. The NEAR Mission (April–June 1998) |
| Vol. 19-1. The Legacy of Transit (January–March 1998) |
| Volume 18 |
|---|
| Vol. 18-4. Research and Development Updates (October–December 1997) |
| Vol. 18-3. Coherent Radar (July–September 1997) |
| Vol. 18-2. Milton S. Eisenhower RTDC 50th Anniversary Issue (April–June 1997) |
| Vol. 18-1. Changes in Naval Aviation (January–March 1997) |
| Volume 17 |
|---|
| Vol. 17-4. Research and Development Updates (October–December 1996) |
| Vol. 17-3. Research and Development Updates (July–September 1996) |
| Vol. 17-2. Midcourse Space Experiment: Technology (April–June 1996) |
| Vol. 17-1. Midcourse Space Experiments: Overview (January–March 1996) |
| Volume 16 |
|---|
| Vol. 16-4. Research and Development Updates (October–December 1995) |
| Vol. 16-3. Advanced Sensors (July–September 1995) |
| Vol. 16-2. Modeling and Simulation II (April–June 1995) |
| Vol. 16-1. Modeling and Simulation I (January–March 1995) |
| Volume 15 |
|---|
| Vol. 15-4. Research and Development Updates (October–December 1994) |
| Vol. 15-3. Image Processing (July–September 1994) |
| Vol. 15-2. Synthetic Environments (April–June 1994) |
| Vol. 15-1. Advanced Microwave Technology—II (January–March 1994) |
| Volume 14 |
|---|
| Vol. 14-4. Advanced Microwave Technology—I (October–December 1993) |
| Vol. 14-3. Ocean Science and Technology (July–September 1993) |
| Vol. 14-2. Naval Technologies in the Littoral Battlespace (April–June 1993) |
| Vol. 14-1. Materials Research and Applications—II (January–March 1993) |
| Volume 13 |
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| Vol. 13-4. The Johns Hopkins Search for Computing Applications to Assist Persons with Disabilities (October–December 1992) |
| Vol. 13-3. Materials Research and Applications—I (July–September 1992) |
| Vol. 13-2. Statistical Modeling at APL (April–June 1992) |
| Vol. 13-1. Fifty Years at the Applied Physics Laboratory (January–March 1992) |
| Volume 12 |
|---|
| Vol. 12-4. A Gallimaufry Issue (October–December 1991) |
| Vol. 12-3. Computationally Intensive Research at APL (July–September 1991) |
| Vol. 12-2. The Johns Hopkins University Applied Physics Laboratory–Medical School Collaborative Biomedical Program (April–June 1991) |
| Vol. 12-1. Engineering and Fabrication in the Steven Muller Center (January–March 1991) |
| Volume 11 |
|---|
| Vol. 11-3-4. Space, Air, and Oceans (July–December 1990) |
| Vol. 11-1-2. Tenth Anniversary Issue (January–June 1990) |
| Volume 10 |
|---|
| Vol. 10-4. APL Ocean Sciences—1989 (October–December 1989) |
| Vol. 10-3. Computing at APL Moves Into the Nineties (July–September 1989) |
| Vol. 10-2. APL's Role in Education (April–June 1989) |
| Vol. 10-1. Optics at APL—II (January–March 1989) |
| Volume 9 |
|---|
| Vol. 9-4. Optics at APL—I (October–December 1988) |
| Vol. 9-3. Advanced Technology at APL (July–September 1988) |
| Vol. 9-2. Electromagnetic Propagation (April–June 1988) |
| Vol. 9-1. Science and Technology in Biomedicine—III (January–March 1988) |
| Volume 8 |
|---|
| Vol. 8-4. Electromagnetic Propagation in the Atmosphere (October–December 1987) |
| Vol. 8-3. The Polar BEAR Mission (July–September 1987) |
| Vol. 8-2. The Navy GEOSAT Mission (April–June 1987) |
| Vol. 8-1. Measuring Ocean Waves from Space (January–March 1987) |
| Volume 7 |
|---|
| Vol. 7-4. Research and Development Updates (October–December 1986) |
| Vol. 7-3. Computer-Aided Design and Fabrication (July–September 1986) |
| Vol. 7-2. The Milton S. Eisenhower Research Center—II (April–June 1986) |
| Vol. 7-1. Measuring Ocean Waves from Space (January–March 1986) |
| Volume 6 |
|---|
| Vol. 6-4. Ocean Science—II (October–December 1985) |
| Vol. 6-3. Ocean Science—I (July–September 1985) |
| Vol. 6-2. Research and Development Updates (April–June 1985) |
| Vol. 6-1. Space Research and Development—II (January–March 1985) |
| Volume 5 |
|---|
| Vol. 5-4. Space Research and Development—I (October–December 1984) |
| Vol. 5-3. Computing at APL (July–September 1984) |
| Vol. 5-2. The HILAT Satellite (Number 2, April–June 1984) |
| Vol. 5-1. Naval Command, Control, and Communications (January–March 1984) |
| Volume 4 |
|---|
| Vol. 4-4. R. E. Gibson Retrospective (October–December 1983) |
| Vol. 4-3. Tactical Missile Technology (July–September 1983) |
| Vol. 4-2. Science and Technology in Biomedicine—II (April–June 1983) |
| Vol. 4-1. Research and Development Updates (January–March 1983) |
| Volume 3 |
|---|
| Vol. 3-4. Research and Development Updates (October–December 1982) |
| Vol. 3-3. Personal Computer Aid for the Handicapped (July–September 1982) |
| Vol. 3-2. The Talos Missile (April–June 1982) |
| Vol. 3-1. Ocean Science (January–March 1982) |
| Volume 2 |
|---|
| Vol. 2-4. Fleet Defense Systems and Technology (October–December 1981) |
| Vol. 2-3. Science and Technology in Biomedicine (July–September 1981) |
| Vol. 2-2. Research and Development Updates (April–June 1981) |
| Vol. 2-1. Navy Navigation Satellite System (Transit) (January–March 1981) |
| Volume 1 |
|---|
| Vol. 1-4. Research and Development Updates (October–December 1980) |
| Vol. 1-3. Magsat (July–September 1980) |
| Vol. 1-2. Renewable Energy, Environment, and Safety (April–June 1980) |
| Vol. 1-1. The Milton S. Eisenhower Research Center (January–March 1980) |
The Technical Digest was published as the APL Technical Digest from 1961 to 1977, volumes 1–16. In 1980 publication began again with volume 1, with the new title of the Johns Hopkins APL Technical Digest.
| Volume 16 |
|---|
| Vol. 16-4. SEASAT II (October–December 1977) |
| Vol. 16-3. SEASAT I (July–September 1977) |
| Vol. 16-2. Nuclear Cardiology/Claudius Ptolemy (April–June 1977) |
| Vol. 16-1. Oceanographic Research at APL (January–March 1977) |
| Volume 15 |
|---|
| Vol. 15-4. Porphyrins/Organic Conductors (October–December 1976) |
| Vol. 15-3. Microsonics (July–September 1976) |
| Vol. 15-2. Reflections on the Origin and Early History of APL (April–June 1976) |
| Vol. 15-1. Solar System/X-Ray Astronomy (January–March 1976) |
| Volume 14 |
|---|
| Vol. 14-4. SAS-3—Part II (October–December 1975) |
| Vol. 14-3. SAS-3—Part I (July–September 1975) |
| Vol. 14-2. Fire Problems (April–June 1975) |
| Vol. 14-1. Ocean Thermal Energy Conversion (January–March 1975) |
| Volume 13 |
|---|
| Vol. 13-4. Miscellany (October–December 1974) |
| Vol. 13-3. Power Plant Site Evaluation Program (July–September 1974) |
| Vol. 13-2. Miscellany (April–June 1974) |
| Vol. 13-1. San Francisco Vessel Traffic System (January–March 1974) |
| Volume 12 |
|---|
| Vol. 12-4. TRIAD—Part II (October–December 1973) |
| Vol. 12-3. Miscellany (July–September 1973) |
| Vol. 12-2. TRIAD—Part I (April–June 1973) |
| Vol. 12-1. Miscellany (January 1973) |
| Volume 11 |
|---|
| Vol. 11-6. Miscellany (July–August 1972) |
| Vol. 11-5. Miscellany (May–June 1972) |
| Vol. 11-4. Miscellany (March–April 1972) |
| Vol. 11-3. Miscellany (January–February 1972) |
| Vol. 11-2. A Real-Time, Interactive, Multiple Computer System (November–December 1971) |
| Vol. 11-1. Miscellany (September–October 1971) |
| Volume 10 |
|---|
| Vol. 10-6. Decennial Index (July–August 1971) |
| Vol. 10-4-5. Small Astronomy Satellite (SAS) (March–June 1971) |
| Vol. 10-3. Miscellany (January–February 1971) |
| Vol. 10-2. Miscellany (November–December 1970) |
| Vol. 10-1. High Sensitivity Mass Spectrometry of Transient Species (September–October 1970) |
| Volume 9 |
|---|
| Vol. 9-6. Miscellany (July–August 1970) |
| Vol. 9-5. Miscellany (May–June 1970) |
| Vol. 9-4. Miscellany (March–April 1970) |
| Vol. 9-3. Miscellany (January–February 1970) |
| Vol. 9-2. Miscellany (November–December 1969) |
| Vol. 9-1. Graphical Automatic Programming (September–October 1969) |
| Volume 8 |
|---|
| Vol. 8-6. Miscellany (July–August 1969) |
| Vol. 8-5. Miscellany (May–June 1969) |
| Vol. 8-4. Miscellany (March–April 1969) |
| Vol. 8-3. Theory of Corneal Structure (January–February 1969) |
| Vol. 8-2. Miscellany (November–December 1968) |
| Vol. 8-1. Miscellany (September–October 1968) |
| Volume 7 |
|---|
| Vol. 7-6. Miscellany (July–August 1968) |
| Vol. 7-5. Miscellany (May–June 1968) |
| Vol. 7-4. Miscellany (March–April 1968) |
| Vol. 7-3. Miscellany (January–February 1968) |
| Vol. 7-2. Miscellany (November–December 1967) |
| Vol. 7-1. Miscellany (September–October 1967) |
| Volume 6 |
|---|
| Vol. 6-6. Indexes (July–August 1967) |
| Vol. 6-5. Department of Defense Gravity Experiment (DODGE) (May–June 1967) |
| Vol. 6-4. Miscellany (March–April 1967) |
| Vol. 6-3. Miscellany (January–February 1967) |
| Vol. 6-2. Miscellany (November–December 1966) |
| Vol. 6-1. Miscellany (September–October 1966) |
| Volume 5 |
|---|
| Vol. 5-6. Miscellany (July–August 1966) |
| Vol. 5-5. Miscellany (May–June 1966) |
| Vol. 5-4. Miscellany (March–April 1966) |
| Vol. 5-3. Miscellany (January–February 1966) |
| Vol. 5-2. Miscellany (November–December 1965) |
| Vol. 5-1. Miscellany (September–October 1965) |
| Volume 4 |
|---|
| Vol. 4-6. Miscellany (July–August 1965) |
| Vol. 4-5. Miscellany (May–June 1965) |
| Vol. 4-4. Miscellany (March–April 1965) |
| Vol. 4-3. Miscellany (January–February 1965) |
| Vol. 4-2. Miscellany (November–December 1964) |
| Vol. 4-1. Miscellany (September–October 1964) |
| Volume 3 |
|---|
| Vol. 3-6. Miscellany (July–August 1964) |
| Vol. 3-5. Miscellany (May–June 1964) |
| Vol. 3-4. Miscellany (March–April 1964) |
| Vol. 3-3. Miscellany (January–February 1964) |
| Vol. 3-2. Miscellany (November–December 1963) |
| Vol. 3-1. Miscellany (September–October 1963) |
| Volume 2 |
|---|
| Vol. 2-6. Miscellany (July–August 1963) |
| Vol. 2-5. Miscellany (May–June 1963) |
| Vol. 2-4. Miscellany (March–April 1963) |
| Vol. 2-3. Miscellany (January–February 1963) |
| Vol. 2-2. Miscellany (November–December 1962) |
| Vol. 2-1. Miscellany (September–October 1962) |
| Volume 1 |
|---|
| Vol. 1-6. Miscellany (July–August 1962) |
| Vol. 1-5. Miscellany (May–June 1962) |
| Vol. 1-4. Miscellany (March–April 1962) |
| Vol. 1-3. Miscellany (January–February 1962) |
| Vol. 1-2. Miscellany (November–December 1961) |
| Vol. 1-1. Miscellany (September–October 1961) |