Amateur
- 143
- Whitepeak Lunar Observatory
- Information on observing aids, equipment reviews, planetary geology, optical topics, and lunar imaging tutorial.
- 144
- Society of Amateur Radio Astronomers
- Dedicated enthusiasts who teach, learn, trade technical information, and do observations of the radio sky.
- 146
- Amateur SETI - Project BAMBI
- Design, construction, and initial observational results of a 4-GHz amateur radio telescope with circuit board layouts, software, and schematics.
- 147
- Basics of Radio Astronomy
- Workbook developed to support training for the Goldstone-Apple Valley Radio Telescope, but can be applied to all.
- 148
- Multi-BOINC Monitor
- Graphical add-on package to monitor SETI activity that may be running on multiple computers over a network or multiple instances on the same computer.
- 149
- National Radio Astronomy Observatory
- Current events, public outreach, very large array, VLA expansion project, and very long baseline array.
- 150
- Pisgah Astronomical Research Institute
- Dedicated to providing research and educational access to radio and optical astronomy for a broad cross-section of users.
- 151
- Radio-Sky Publishing
- Provides software (some free), books, and hands-on projects within areas of Jupiter, the Sun, Pulsars, and other areas.
- 152
- SETI Research & Community Development Institute
- A non-profit organization dedicated to the search for extra-terrestrial intelligence. Located in Brisbane, Australia.
- 153
- The European Radio Astronomy Club
- Observations, workshop, groups, telescopes and images, and radar links.
- 154
- UKARA Net
- Amateur radio astronomy mainly for, but not limited to, the United Kingdom, providing information for beginners, project ideas, articles, and downloadable archive material.
- 155
- AstroSpider
- Solar system and deep sky galleries, remote images, images of satellites, and equipment information.
- 156
- ON6MU Space and Satellite
- Satellite information, ISS information, ISS software, NASA Live TV, images, Kepler data, and links.
- 157
- SoCal Sky Lights
- Schedule for rocket launches with information for iridium flares, meteor showers, ISS and space shuttle, and delta launches.
- 158
- Visual Satellite Observer
- Provides an introduction to satellite viewing and information on the many satellites in orbit.