LHCP/RHCP patch antenna 2400Mhz QO-100 WA5VJB Kent Electronics SAT Antennas WA5-ANT-2400-LHCP-QO100-806 View larger

WA5-ANT-2400-LHCP-QO100-806

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LHCP/RHCP patch antenna 2400Mhz QO-100 WA5VJB

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PCB antenna WA5VJB single patch for 2.4Ghz with left hand circular polarization LHCP or right hand circular polarization RHCP and a gain of 6dBi.

This antenna is compatible for use in 2400 MHz transmission on the narrow transponder (NB) of the amateur radio satellite QO-100, with a transmission power of 5W and a dish antenna of 80cm minimum.

The antenna is delivered without connector (solder wire). This patch antenna can be used according to 4 different polarizations (cf. below).

Polarisation : LHCP (Left hand Circular Polarization for QO100) or RHCP (Right hand Circular Polarization)
Frequencies: 2400-2450 MHz
Antenna type: Patch
Number of elements: 1
Gain: 6dBi
Amateur radio design: WA5VJB
Dimensions: 54x46mm
Weight: 19 grams

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12,50 € tax incl.

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This patch antenna can be used according to 4 different polarizations:

LHCP Lo: Left hand Circular Polarization, Low Impedance 50 Ohms - For QO-100
LHCP Hi: Left hand circular polarization, high impedance
RHCP Lo: Right hand Circular polarization, low impedance 50 Ohms
RHCP Hi: Right hand circular polarization, high impedance

Questions



Pascal on 2020-04-23
Question: 

Le site amsat-dl.org dit ceci : Uplink polarisation is RHCP (right-hand circular polarization). Et a propos de l'antenne patch, vous annoncez : Polarisation : LHCP (circulaire gauche pour QO100) ? Qui a raison ?

Answer: 

Les 2 sont justes, tout dépend de l'angle de vue :)


La polarisation pour attaquer le satellite Oscar 100 est bien en circulaire droite (RHCP).


En pointant l'antenne patch circulaire gauche (LHCP) vers la parabole, le signal réfléchi par la parabole vers le satellite s'inverse et devient en circulaire droite (RHCP).


En résumé : Si vous pointez le patch directement vers le satellite il faut le faire en RHCP, si vous le pointez vers la parabole il faut le faire en LHCP (recommandée pour bénéficier du gain de la parabole).


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