Earth-Moon-Earth communication
GPTKB entity
Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
radio communication technique
|
| gptkbp:alsoKnownAs |
moonbounce
|
| gptkbp:distance |
about 768,800 km round trip
|
| gptkbp:firstDemonstrated |
gptkb:U.S._Army_Signal_Corps
1946 |
| gptkbp:frequency |
gptkb:UHF
gptkb:VHF microwave |
| https://www.w3.org/2000/01/rdf-schema#label |
Earth-Moon-Earth communication
|
| gptkbp:involves |
receiving reflected signals back on Earth
transmitting radio signals from Earth to the Moon |
| gptkbp:requires |
high-gain directional antennas
high-power transmitters |
| gptkbp:signalDelay |
about 2.5 seconds round trip
|
| gptkbp:signalLoss |
approximately 250 dB
|
| gptkbp:usedBy |
amateur radio operators
|
| gptkbp:usedFor |
long-distance radio communication
radio astronomy scientific experiments military communication (historically) |
| gptkbp:uses |
the Moon as a passive reflector
|
| gptkbp:bfsParent |
gptkb:EME
|
| gptkbp:bfsLayer |
5
|