| Title | Aircraft L-Band Balloon - Simulated Satellite Experiments Volume I: Experiemnt Description and Voice and Data Modem Test Results |
|---|---|
| Record ID | 39990 |
| Source | 139p. in various pagings |
| Corporate Creator | John A. Volpe National Transportation Systems Center (U.S.) |
| Publisher | United States. Department of Transportation. Federal Aviation Administration |
| Publication Date | 19751001 |
| Language | English |
| Abstract | This report details the result of an experiment performed by the Transportation Systems Center of the Department of Transportation to evaluate candidate voice and data modulation systems for use in an L-Band Air Traffic Control System. The experiment was designed to evaluate performance in the presence of oceanic multipath, using a high altitude balloon carrying an L-Band transponder as a geostationary satellite simulator. The voice modems chosen were Delta Modulation, Pulse Duration Modulation and Adaptive Narrow-Band Frequency Modulation. The data modems used employed PSK modulation with coherent demodulation. This is Volume I of a two-volume report. Volume II 'CW Multipath Test Results and Analyses, 'FAA-RD-73-173, details the portion of the data dealing exclusively with the measurement of oceanic multipath. |
| Public Note | Introduction, Equipment description, Experiment configuration and conditions, Results and conclusions, Appendices |
| Rosap ID | dot:9249 |
| Rosap URL | https://rosap.ntl.bts.gov/view/dot/9249 |
| TRT Terms | Modems; Multipath transmission; Satellite communication; Voice communication; Delta functions; Radio waves; L band |
| General Subjects | Multipath; Balloon tets; Satellite air traffic control; Modems; Voice communications; Digital data systems; Delta functions; L-Band; Radio waves |
| Classification | NTL - AVIATION - Air Traffic Control |
| Geographical Coverage |
United States |
| OCLC | 227397886 |
| Report Number | DOT-TSC-FAA-74-24; FAA-RD-75-174 |
| Availability | Volpe National Transportation Systems Center, Technical Reference Center |
| Resource type | Tech Report |
| URL | https://ntlrepository.blob.core.windows.net/lib/39000/39900/39990/DOT-TSC-FAA-74-24.pdf |
| Format | |
| Database | NTL Digital Repository |