RTL2838 DVB-T Deep dive
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The document is a technical presentation by Sakura Internet, Inc. about the RTL2838 DVB-T device, discussing its identification and installation on a Linux system. It provides a Python script for collecting GPS data and generating CSV files based on the device's output. The presentation highlights the connection and data unpacking processes for utilizing the RTL2838 for signal analysis.
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![RTL2838 DVB-T Deep Dive
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# lsusb
Bus 001 Device 004: ID 0bda:2838 Realtek Semiconductor Corp. RTL2838 DVB-T
Bus 001 Device 005: ID 1546:01a7 U-Blox AG [u-blox 7]
# apt update
# apt install rtl-sdr gpsd gpsd-clients python3-pip -y
# pip3 install gps3
# timedatectl set-timezone Asia/Tokyo
# vi test.py
#!/usr/bin/env python3
from gps3 import gps3
import subprocess
import sys
g = gps3.GPSDSocket()
d = gps3.DataStream()
g.connect()
g.watch()
for new in g:
if new:
d.unpack(new)
if str(d.TPV['lat']) != "n/a":
filename=str(d.TPV['time'])+","+str(d.TPV['lat'])+","+str(d.TPV['lon'])+".csv"
break
print(filename)
args=["/usr/bin/rtl_power", "-1", "-f", "1M:2.2G:1M", filename]
res = subprocess.run(args, stdout=subprocess.PIPE)
sys.stdout.buffer.write(res.stdout)
SOURCE: SAKURA Internet Research Center (2020/05)](https://image.slidesharecdn.com/src20200506-dv1-200506124238/85/RTL2838-DVB-T-Deep-dive-2-320.jpg)
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RTL2838 DVB-T Deep dive
- 1. RTL2838 DVB-T Deep dive 6th May, 2020 SAKURA Internet, Inc. Research Center SR / Naoto MATSUMOTO (C) Copyright 1996-2020 SAKURA Internet Inc
- 2. RTL2838 DVB-T Deep Dive 2 # lsusb Bus 001 Device 004: ID 0bda:2838 Realtek Semiconductor Corp. RTL2838 DVB-T Bus 001 Device 005: ID 1546:01a7 U-Blox AG [u-blox 7] # apt update # apt install rtl-sdr gpsd gpsd-clients python3-pip -y # pip3 install gps3 # timedatectl set-timezone Asia/Tokyo # vi test.py #!/usr/bin/env python3 from gps3 import gps3 import subprocess import sys g = gps3.GPSDSocket() d = gps3.DataStream() g.connect() g.watch() for new in g: if new: d.unpack(new) if str(d.TPV['lat']) != "n/a": filename=str(d.TPV['time'])+","+str(d.TPV['lat'])+","+str(d.TPV['lon'])+".csv" break print(filename) args=["/usr/bin/rtl_power", "-1", "-f", "1M:2.2G:1M", filename] res = subprocess.run(args, stdout=subprocess.PIPE) sys.stdout.buffer.write(res.stdout) SOURCE: SAKURA Internet Research Center (2020/05)