Technical data of the passive radar system

Location of the receiving antenna:
D-77948 Friesenheim/Oberweier Baden-Württemberg (Germany)
Locator JN38WI (170m)
48° 22′ N , 7° 53′ O

Antenna type: Yagi
Antenna model: Diamond A-144S5R VHF 5 Element (1)
Antenna direction: South/West
Polarisation: Vertical alignment

SDR Receiver (Software Defined Radio):
Airspy R2 (2)

Signal amplifier (LNA/BiasT):
PCB-LNA-PSA4_5043 (3)

Receive frequency:
143.050 MHz
Modulation USB
Bandwidth: 2 kHz

Transmitter GRAVES:
Location: Broye-Aubigney-Montseugny 47° 20′ 52.8″ N, 5° 30′ 54.4″ E (4)

CPU hardware:
Raspberry Pi 4b (8GB)
Operating time: 24/7

Operating system: DragonOS_Pi64 (5)

Software decoder for displaying the passive radar:
https://github.com/BatchDrake/SigDigger (6)

Antenna cable:
Aircell 7 (7)

What is passive radar?
https://www.sciencedirect.com/topics/computer-science/passive-radar#:~:text=Passive%20radar%20refers%20to%20a,detect%20objects%20in%20a%20scene. 

(1) https://www.funktechnik-bielefeld.de/diamond-a-144s5r-vhf-5-element-richtantenne-fuer-2m-band-amateurfunk?srsltid=AfmBOoq33BB4BPIw4vchc_yPUksdnJVaH7db7kQJ1SOQP-oel-JSf4wk

(2) https://airspy.com/airspy-r2/

(3) https://github.com/ZdenekBrichacek/PCB-LNA-PSA4_5043/blob/master/LNA%20-%20PSA4-5043%2B%20-%20sch.jpg

(4) https://de.wikipedia.org/wiki/GRAVES

(5) https://sourceforge.net/projects/dragonos-pi64/

(6) https://github.com/BatchDrake/SigDigger

(7) https://www.funktechnik-bielefeld.de/aircell-7-koaxialkabel-50-meter-ring