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May 2017 Arecibo HF Experiments

May 2017 Arecibo HF Experiments. Paul A. Bernhardt Naval Research Laboratory, Washington, DC. ROTHR DIR Schedule for NRL. Dates: 21 to 25 May 2017 Times: 14:19 to 16:18 GMT Frequency Selection Virginia: Place Ocean Scatter Twice Distance as from VA to PR

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May 2017 Arecibo HF Experiments

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  1. May 2017 Arecibo HF Experiments Paul A. Bernhardt Naval Research Laboratory, Washington, DC

  2. ROTHR DIR Schedule for NRL • Dates: 21 to 25 May 2017 • Times: • 14:19 to 16:18 GMT • Frequency Selection • Virginia: Place Ocean Scatter Twice Distance as from VA to PR • Texas: Place Ocean Scatter Twice Distance as from TX to PR (or the Best that can be Done) • Transmit Beam Azimuth Selection • VA to PR: 152 Degrees (5 Beams at 136, 144, 152,160, 168 Degree Azimuths) • TX to PR: 101 Degrees (5 Beams at 85, 93, 101,109, 117 Degree Azimuths)

  3. ROTHR DIR Azimuths for Arecibo Tests

  4. NRL ROTHR Experiment Requests GMT Note: Call (757) 421-6159 QVI and WSBI Start Times Call Watch Supervisor at 757-421-6143 for Dwell Status Gordon Patterson Watch Supervisor Ask for Ionosonde Critical Frequencies • ROTHR Radar Modes • VA and TX Frequency Selection for DIR at Twice Distance to Arecibo, PR • Wave Form 119 (62.5 Hz, 8.33 kHz BW, 2.024 s CIT) • Azimuths to Cover Plus/Minus 25 Degrees Around Arecibo • Virginia Transmitter DIR Azimuths: • Texas Transmitter DIR AzimuthsL

  5. ePOP Times in May 2017 GMT

  6. ePOP Time 8.187 MHz 5.1 MHz

  7. Altitude (km) Plasma Frequency (MHz) Plasma Frequency (MHz) Puerto Rico Ionosphere Profiles17 May 2017 1400 to 1600 GMT

  8. Old Arecibo HF Schedule for NRL

  9. Revised Arecibo HF Schedule for NRL

  10. ePOP Orbits for NRL ROTHR with Arecibo GMT Date Time

  11. NRL Experiment Arecibo Request Times AST

  12. QVI Profiles from Puerto Rico

  13. QVI Profiles from Texas

  14. QVI Profiles from Virginia

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