Be careful ! in France you are not allowed to transmit in realtime video from an aircraft !

You need:

  • Aurel H2-TV Channel Audio-Video Modulator
    Mod. MAV-VHF224
    225 Fr

    Description :
    Low cost CATV circuit for high quality audio-video signals, operating in the VHF Band. Input signals can be fed from videocameras, tuners, video tape players, etc, directly using the lines of the standardized output connectors (i.e. SCART), while output R.F. can be received with any standard not modified TV receiver. The Modulator is very stable in frequency and features high harmonic rejection.
Characteristics Min Typ Max Unit
VS Supply Voltage 4.75 5 5.25 Vdc
IS Supply Current   90   mA
PO RF Output power   1   mW
IM 3rd Order Intermodulation     60 dBm
FC Carrier Frequency 223.75 224.5 225.25 MHz
IM Video Input Modulation   1.2   Vpp
FSC Sub-Carrier Frequency   5.5   MHz
MA Audio FM Modulation   1   Vpp
II Input Impedance   100   KW
TPE Pre-enphasis   50   S
TOP Operating temperature range -20   +80 °C
1 Ground
2 Audio Input
3 Ground
4 Video Input
5 Ground
6 +5V
7 Ground
8 RF Output
  • Aurel H2 Channel CATV Amplifier
    Mod. M.C.A. 224
    130 Fr

    Description :
    Linear CATV circuit for high quality audio-video signal amplification, operating on the VHF H2 Channel. RF input signal can be derived from a Audio Video Modulator (best operation is with our mod. MAV-VHF 224). Output can be received with any standard not modified TV receiver.
Characteristics Min Typ Max Unit
VS Supply Voltage 11.4 12 12.6 Vdc
IS Supply Current   100   mA
FW Working Frequency   224   MHz
PO RF Output power (2 mW IN)   +19   dBm
DI Intermodulation distorsion   50 60 dB
TOP Operating temperature range -20   +80 °C
1 +12v
2 Enable
3 Ground
6 RF Input
7 Ground
10 Ground
13 Ground
15 RF Output
  • Mini color video cam 890 Fr
Video system PAL
Effective pixel 628*582
Synchro internal
Resolution (TV lines) 380
S/N Ration > 42 dB
Mill Illumination 3 lux at F1.2
Electronic shutter 1/50 - 1/150 000
Video output 1V , 75 Ohms
Lens 3.6 mm - 5 mm (F 2 -> 4.5)
Lens Angle 92° -> 65°
Power current 50 mA
Power Source DC12V
Red +12v
Yellow signal
Black Ground
  • a good and safety box (in case of crash) 18 Fr
  • Accus (2 * 9V), a free rx channel. 296 Fr
  • 2 voltage regulator : 7812 (12V) and 7805 (5V) + 2 * 100 nF 27 Fr
  • A small TV (LCD) ex 11cm TFT 1000 Fr

Conclusions :

The result is very bad with no specific antenna, maybe I should replace my 32 cm wire with something better. Distance are bad too and some polarized effect appear when you turned the device : Really BAD !


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