1

Antenna Combiner

Frequency Hopping Antenna Combiner
Description of devise to combine the frequency-hopping signals received on separate antennas.

2

Antenna Diversity

UHF Airborne Antenna Diversity
Improvement in received signal achieved by combining fading signals from several antennas.

3

Coding

Fade Resistance Modem
Improvement achieved using coding and interleaving to overcome scintillation fading.

4

Coding

The Use of Coding To Overcome Scintillation Fading
Improvement achieved using coding and interleaving to overcome scintillation fading.

5

Communications History

200 Years of Airborne Communications
History of airborne communications from balloons through space craft.

6

Ionospheric Heating

Results of Ionospheric Heating on Communications
Test results from generating ionospheric irregularities using microwave to heat the ionosphere.

7

Lasers – Communications

Laser Airborne Communications Experiment
Test results from covert high data rate air to air laser communications.

8

Magnetic Field

Magnetic Field Alignment
Measurement of magnetic field alignment at altitude using spaced communications receivers.

9

Multipath Fading

Coastal Multipath Fading
Description of unusual multipath fading experienced when the aircraft crosses the coast.

10

Multipath Fading

Airborne Measurements of Multipath From Land and Sea Water
Summary of airborne multipath fading results over land and over sea water.

11

Multipath Fading

Measurements of Airborne Propagation Anomalies
Summary of airborne communications anomalies including multipath fading.

12

SATCOM Attenuation

EHF Atmospheric Attenuation in the Arctic
Results of earth-space EHF atmospheric attenuation measurements taken in the Arctic.

13

SATCOM Attenuation

EHF Attenuation on Earth-Space Path
Summary of results of earth-space EHF atmospheric attenuation measurements.

14

SATCOM Commanding

Satellite Commanding From An Aircraft
Results of experiments to command a satellite from an aircraft.

15

SATCOM Design

Influence of Scintillation of SATCOM System Design
Description of the effect of scintillation fading on the design of a SATCOM terminal.

16

SATCOM Experiment

Scintillation Results From Ionospheric Modification Experiment
Results of scintillation fading from barium cloud ionospheric modifications experiment.

17

SATCOM Management

Management Approach To SATCOM Testing
Description of process involved in designing and accomplishing a SATCOM test program.

18

SATCOM Propagation

UHF/SHF SATCOM Propagation and System Design
Description of the effect of SATCOM propagation on airborne satellite terminal design.

19

SATCOM Rain

Effect of Rain Attenuation on EHF SATCOM Link
Description of the effect of rain attenuation on EHF SATCOM communications.

20

SATCOM Scintillation

Polar Scintillation Measurements
Results of scintillation fading on SATCOM in the polar area.

21

SATCOM Scintillation

Scintillation in Greenland
Summary of ionospheric scintillation fading measurements from Greenland.

22

SATCOM Scintillation

Effect of Scintillation on Satellite Communications
Summary of the effects of scintillation fading on satellite communications.

23

SATCOM Scintillation

Ionospheric Scintillation in the Polar Cap
Results of scintillation fading on SATCOM in the polar area.

24

SATCOM Systems

C3I SATCOM Systems in the Arctic
Summary of command, control, communications, intel system operation in the Arctic environment.

25

SATCOM Terminal Design

Airborne EHF SATCOM Terminal Design
Summary of design considerations for an airborne EHF SATCOM terminal.

26

SATCOM Testing

New Zealand Air Force Supports Avionics Laboratory Test
Description of New Zealand AF support of a AF laboratory satellite communication test.

27

Scintillation Experiment

Results From The STRESS Experiment
Results of an ionospheric modifications experiment involving the AFRLs test aircraft.