Flarm Antennas

To check out your existing Flarm range use the one of the two tools

below with one of your latest traces from your Flarm to work out

your coverage. We also have an article on how to improve your

Flarm range here

 

Flarm Range Analysis Swiss Flarm, Red Box

To check your flarm range and coverage, upload a flight to the Flarm checker website here. If you need help or advice on how to improve your Flarm performance contact the NAVboys here.

 

Flarm Range Analysis for LXNAV 9000, 8000, 8080, Flarm mouse

To check your LX flarm range and coverage, upload a flight to the LX Flarm checker website here. If you need help or advice on how to improve your Flarm performance contact the NAVboys here.

 

P01 High Performance Flarm Antenna



The P01 high performance Flarm Antenna has been designed to extend flarm visibility range and reduce the risk of Electro Static Discharge (ESD).

 

Typically, by using this antenna instead of your standard supplied ¼ wave whip aerial you should be able to see up to and over 40% air range improvement. This could lead to a doubling of the air range of two P01 equipped aircraft dramatically improving safety margins for collision avoidance.

 

In addition to the range improvements, the antenna uses grounding techniques for superior isolation. By design, the P01 antenna is by itself a short circuit to the glider ground for DC connection providing the best protection for the Flarm receiver against ESD damage.

Mounting the antenna is simple but does require a little more space than the standard antenna. Positioning it within the instrument panel is fine as long as this is not made of carbon. Best results are seen when as much of the antenna can be set to extend through the top of the instrument panel. However, there are other mounting options for instance; the antenna is flexible enough to mount against the side of the aircraft as long as it is not carbon or metal! Following the basic principal of “if you can see the sky from where it is the better the performance”

 

Whilst we are primarily interested in safety and improvement in early warning, this antenna does improve your Flarm range. So if you are interested in seeing what other Flarm equipped gliders are up to out of visual range, this little add on will go some way to improving your chances!

Short Dipole

 

Supplied as standard with the Flarm Mouse this Short dipole (90°) lamdba/4 Antenna is the smallest available with the SMA type connector. Recommended for space constrained areas.

 

Connector:                            SMA

Nominal impedance:            50 Ω

Gain:                                      1.76 dBi

Bandwidth:                            40 MHz

VSWR:                                  < 1.5:1

Return loss:                          > 14 dB

Antenna length:                   (unfolded) 85 mm

Antenna height:                   (folded) 65 mm

 

Long Dipole

 

Designed as an upgrade for the FlarmMouse. This antenna is recommended for use if you have enough space available.

Connector:                            SMA

Nominal impedance:           50 Ω

Gain:                                      2.15 dBi

Bandwidth:                            30 MHz

VSWR:                                   < 1.5:1

Return loss:                          > 14 dB

Antenna length:                   160 mm

                       

Classic Dipole

 

This is your standard antenna that is the same length as the Long Dipole but with its own 1.4M cable.

 

Connector:                            SMA

Nominal impedance:           50 Ω

Gain:                                      2.15 dBi

Bandwidth:                            40 MHz

VSWR:                                   < 1.4:1

Return loss:                          > 15 dB

Antenna length:                   160 mm

Lambda with Ground Plane

 

Flarm antenna with ground plane. Designed to increase horizontal range. Supplied with 1m extension cable (SMA Plug to SMA Jack). Disadvantage is reduced signal directly below.

 

Connector:                            SMA

Nominal impedance:           50 Ω

Gain:                                      1.76 dBi

Bandwidth:                            20 MHz

VSWR:                                   < 1.8:1

Return loss:                            > 10 dB

Antenna length:                      85 mm

 

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