التفاصيل البيبلوغرافية
| العنوان: |
Right to silence. |
| المؤلفون: |
Battersby, Stephen |
| المصدر: |
New Scientist; 6/17/2017, Vol. 234 Issue 3130, p33-37, 5p |
| مصطلحات موضوعية: |
RADIO broadcasting, GLOBAL Positioning System, RADIO transmitters & transmission, RADIO technology equipment, CLOSED-circuit television |
| مصطلحات جغرافية: |
UNITED States |
| مستخلص: |
The article reports on the radio broadcasting and radio transmission in the U.S. It highlights the job of American radio astronomer Harvey Liszt at the National Radio Astronomy Observatory in Virginia dealing with global positioning (GPS) receivers, closed-circuit television (CCTV) and wireless broadband. Information about the various allocation of radio spectrum frequencies, is also emphasized. |
| قاعدة البيانات: |
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