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horizontal gradients in ionospheric electron density(passive) caused byradio propagation
Other satellites ... the Sun , which controls the Earth 's climate and " space weatherinfluencesradio propagation
clouds , precipitation(passive) caused byradio propagation
clouds ( particularly tall and dense thunderclouds which cause signal reflection ) , precipitation , and temperature inversions(passive) caused byradio propagation
an update on the activities of the International Amateur Radio Union , a report on one member 's experiments with the use of a Raspberry Pi computer as a transmitter and an excellent summary of the various ways in whichcan influenceradio propagation
In some environmentspreventsradio propagation
This phenomenoninfluencesradio propagation
The ionosphereinfluencesradio propagation
buildingsinfluencingradio propagation
knowledge of the variablesinfluenceradio propagation
real - time information about the geomagnetic and solar conditionsinfluenceradio propagation
Factorsinfluencingradio propagation
only one factorinfluencingradio propagation
the solar cyclecan ... influenceradio propagation
DX Toolbox ... current and recent solar conditionsinfluenceradio propagation
PCT / US2008/060507 unresolvable signal timing(passive) caused byPCT / US2008/060507 unresolvable signal timing
timing errors between LMU clocks and unresolvable signal timing(passive) caused bytiming errors between LMU clocks and unresolvable signal timing
the performance of wireless communication systems , including ad hoc routingconsiderably influencesthe performance of wireless communication systems , including ad hoc routing
for the latest in communicationsdesignedfor the latest in communications
stations to be heard outside their service areacausesstations to be heard outside their service area
the design of the antenna and front - end components of E - band point - to - point communication systemswill strongly influencethe design of the antenna and front - end components of E - band point - to - point communication systems
medical alarms and patient monitoring systems(passive) caused bymedical alarms and patient monitoring systems
in the armysparkedin the army
the unresolved signal timing(passive) caused bythe unresolved signal timing
difference in the time valuesmay causedifference in the time values
fadingcausesfading