October 22, 2014

Weatronic RF link database

We have conducted a comprehensive RF link test over 1500 hours of continuous use with two BAT 60 transmitters.

The results were impressive with not a single loss of frame beyond 90% during this period. Results will be published at the bottom of this page soon.

2009/09/26 Region: Dubai.

Micro 12 receiver on JR 10x. PPM mode. World (besides France).
Antennas at 90 degrees on the horizontal plan.
Left antenna on the pitch axis, right antenna on the roll axis ( as seen from the front )

Lowest RSSI 1 rx: -85,5 dBm
Lowest RSSI 2 rx: -84,5 dBm
Lowest frame rx1: 20
Lowest frame rx2: 21

Average RSSI rx values: -70 dBm
No failsafe
4 losses of feedback communication ( 136/168 events ) for a total of 7 seconds

Lowest RSSI 1 tx: -99,5 dBm
Lowest RSSI 2 tx: -92 dBm
Lowest frame tx1: 9
Lowest frame tx2: 9

Average RSSI tx values: -87 dBm

2009/09/26, region: France

Multiplex Profi MC4000
Country : France
Modulation : ppm-12
Micro 12 receiver + Emcotec DPSI 2001 RV
Antennas at 90 degrees on the horizontal plan.
Left antenna pointed to the backward fuselage
Right antenna pointed to the right side of the fuselage

Flight 1 : No failsafe / 4 losses of feedback communication ( 136/168 events )

Flight 2 : No failsafe / 1 losses of feedback communication ( 136/168 events )

2009/10/02. Region: Dubai.

Lowest RSSI 1 rx:-86,5 dBm
Lowest RSSI 2 rx:-87,5 dBm
Lowest frame rx1:74
Lowest frame rx2:44

Average RSSI rx values: -70 dBm
Failsafe 0
losses of feedback communication ( 136/168 events ) for a total of x seconds: 2 events for a total of 8 seconds

Lowest RSSI 1 tx: -97,5 dBm
Lowest RSSI 2 tx: -127 dBm
Lowest frame tx1: 5
Lowest frame tx2: 0

Average RSSI tx values: -92 dBm

Lowest RSSI 1 rx: -89 dBm
Lowest RSSI 2 rx: -90 dBm
Lowest frame rx1: 61
Lowest frame rx2: 28

Average RSSI rx values: -73 dBm
Failsafe 0
losses of feedback communication ( 136/168 events ) 2 times for a total of 10 seconds.
Code 72: 31 times
Code 100: 1 time

Lowest RSSI 1 tx: -110 dBm
Lowest RSSI 2 tx: -110 dBm
Lowest frame tx1: 0
Lowest frame tx2: 0

Average RSSI tx values: -83 dBm

Lowest RSSI 1 rx: -106,5 dBm
Lowest RSSI 2 rx: -91,5 dBm
Lowest frame rx1: 17
Lowest frame rx2: 23

Average RSSI rx values: -75 dBm
Failsafe 0
losses of feedback communication ( 136/168 events ) 10 events for a total of 31 seconds
Code 72: 51 times
Code 200: 3 times

Lowest RSSI 1 tx: -119,5 dBm
Lowest RSSI 2 tx: -119,5 dBm
Lowest frame tx1: 0
Lowest frame tx2: 0

Average RSSI tx values: -86 dBm

2009/10/03. Region: France.

Lowest RSSI 1 rx: -80 dBm
Lowest RSSI 2 rx: -80,5 dBm
Lowest frame rx1: 31
Lowest frame rx2: 33

Average RSSI rx values: -68,5 dBm
Failsafe 0
losses of feedback communication ( 136/168 events ) 3 times for a total of 11 seconds.

Lowest RSSI 1 tx: -99,5 dBm
Lowest RSSI 2 tx: -104 dBm
Lowest frame tx1: 0
Lowest frame tx2: 0

Average RSSI tx values: -83,5 dBm

2009/10/07. Region: Danemark.

Flight 1:

Lowest RSSI 1 rx:-76 dBm
Lowest RSSI 2 rx:-76,5 dBm
Lowest frame rx1:93
Lowest frame rx2:92

Average RSSI rx values: -65,5 dBm
Failsafe 0
losses of feedback communication ( 136/168 events ): 0

Lowest RSSI 1 tx: -87,5 dBm
Lowest RSSI 2 tx: -89,5 dBm
Lowest frame tx1: 69
Lowest frame tx2: 82

Average RSSI tx values: -80

Flight 2:

Lowest RSSI 1 rx:-79,5 dBm
Lowest RSSI 2 rx:-72,5 dBm
Lowest frame rx1:95
Lowest frame rx2:94

Average RSSI rx values: -68 dBm
Failsafe 0
losses of feedback communication ( 136/168 events ): 1 for 1 second.

Lowest RSSI 1 tx: -88,5 dBm
Lowest RSSI 2 tx: -85,5 dBm
Lowest frame tx1:83
Lowest frame tx2: 91

Average RSSI tx values: -78 dBm

2009/10/04. Region: USA, Fl.

Lowest RSSI 1 rx:-84,5 dBm
Lowest RSSI 2 rx:-84,5 dBm
Lowest frame rx1: 75
Lowest frame rx2: 78

Average RSSI rx values: -67,5 dBm
Failsafe 0
losses of feedback communication ( 136/168 events ): 5 for a total of 17 seconds.

Lowest RSSI 1 tx: -127,5 dBm
Lowest RSSI 2 tx: -128,5 dBm
Lowest frame tx1: 0
Lowest frame tx2: 0

Lowest RSSI 1 tx: -102 dBm
Lowest RSSI 2 tx: -110 dBm
Lowest frame tx1: 25
Lowest frame tx2: 27

Average RSSI tx values: -83,5

2009/11/28, Danemark.

Flight 1:

Lowest RSSI 1 rx:-82 dBm
Lowest RSSI 2 rx:-78 dBm
Lowest frame rx1:86
Lowest frame rx2:90

Average RSSI rx values: -79 dBm
Failsafe 0
losses of feedback communication ( 136/168 events ): 1 event for 3 seconds

Lowest RSSI 1 tx: -94 dBm
Lowest RSSI 2 tx: -93,5 dBm
Lowest frame tx1: 19
Lowest frame tx2: 57

Average RSSI tx values: -66 dBm

Flight 2:

Lowest RSSI 1 rx:-82,5 dBm
Lowest RSSI 2 rx:-79 dBm
Lowest frame rx1:90
Lowest frame rx2:83

Average RSSI rx values: -69,5 dBm
Failsafe 0
losses of feedback communication ( 136/168 events ): 0

Lowest RSSI 1 tx: -95 dBm
Lowest RSSI 2 tx: -92,5 dBm
Lowest frame tx1: 23
Lowest frame tx2: 54

Average RSSI tx values: -82 dBm

2009/08/18. USA, Co.

Flight 1 with a .40 engine LA Racer:

Lowest RSSI 1 rx:-79 dBm
Lowest RSSI 2 rx:-74 dBm
Lowest frame rx1:68
Lowest frame rx2:67

Average RSSI rx values: -64,5 dBm
Failsafe 0
losses of feedback communication ( 136/168 events ): 1 event for 1 second

Lowest RSSI 1 tx: -90 dBm
Lowest RSSI 2 tx: -87 dBm
Lowest frame tx1: 67
Lowest frame tx2: 87

Average RSSI tx values: -78 dBm

First flight with the cosmic wind 60:

Lowest RSSI 1 rx:-75,5 dBm
Lowest RSSI 2 rx:-77 dBm
Lowest frame rx1:89
Lowest frame rx2:91

Average RSSI rx values: -58 dBm
Failsafe 0
losses of feedback communication ( 136/168 events ): 0

Lowest RSSI 1 tx: -89,5 dBm
Lowest RSSI 2 tx: -86 dBm
Lowest frame tx1: 71
Lowest frame tx2: 76

Average RSSI tx values: -82 dBm

2009/12/02, Danemark.

Flight 1:
Lowest RSSI 1 rx:-80 dBm
Lowest RSSI 2 rx:-75 dBm
Lowest frame rx1:69
Lowest frame rx2:70

Average RSSI rx values: -67 dBm
Failsafe 0
losses of feedback communication ( 136/168 events ): 1 event for 1 second

Lowest RSSI 1 tx: -96 dBm
Lowest RSSI 2 tx: -89 dBm
Lowest frame tx1: 70
Lowest frame tx2: 85

Average RSSI tx values: -77 dBm

Flight 2:

Lowest RSSI 1 rx:-77 dBm
Lowest RSSI 2 rx:-71 dBm
Lowest frame rx1:87
Lowest frame rx2:90

Average RSSI rx values: -59 dBm
Failsafe 0
losses of feedback communication ( 136/168 events ): 0

Lowest RSSI 1 tx: -89 dBm
Lowest RSSI 2 tx: -85 dBm
Lowest frame tx1: 77
Lowest frame tx2: 79

Average RSSI tx values: -80 dBm

2010/01/28 Region: UK

FLIGHT 1
Tx 1
frames low 85
mean frames 98.1
RSSI low -88
Mean RSSI -72.5

TX 2
frames low 85
mean frames 96.9
RSSI low -87.5
Mean RSSI -71.0

Rx 1
frames low 91
mean frames 99.1
RSSI low -76
Mean RSSI -61.3

Rx 2
frames low 88
mean frames 99.0
RSSI low -77
Mean RSSI -58.1

FLIGHT 2
Tx 1
frames low 9
mean frames 95.3
RSSI low -94.0
Mean RSSI -75.2

TX 2
frames low 22
mean frames 94.6
RSSI low -126.0
Mean RSSI -74.2

Rx 1
frames low 81
mean frames 98.5
RSSI low -85
Mean RSSI -63.8

Rx 2
frames low 65
mean frames 98.3
RSSI low -83
Mean RSSI -60.8

2001/01/23, UK:

Type of receiver: 12ch micro
Type of Tx: Graupner jr mc24
PCM/PPM mode? ppm24 mode
Region? world(non france)
Antennas angle and on what plan ? one antenna is vertical and the 2nd is horizontal pointing aft.

And the data analysis for the flight:

Lowest RSSI 1 rx: -87
Lowest RSSI 2 rx: -83
Lowest frame rx1: 70
Lowest frame rx2: 81

Average RSSI rx values: -55
Failsafe ? 0
4 losses of feedback communication ( 136/168 events ) for a total of x seconds ? 23 seconds

Lowest RSSI 1 tx: -72
Lowest RSSI 2 tx: -70
Lowest frame tx1: 0
Lowest frame tx2: 2

Average RSSI tx values: -71