▃▅▇█▓▒░ Welcome to Ravenna SDR ░▒▓█▇▅▃
=> Per una migliore ricezione, regolare lo SQUELCH appena sopra la soglia di rumore e mantenere AGC attivo <=
=> For optimal reception keep the SQUELCH just above the noise threshold and AGC active <=
This receiver is free to tune for anyone, some frequency is blocked*, it has a tuner chip R820T with range 24-1766 MHz.
BANDGUIDES are populated with frequencies to guide you in listening.
TUNING:
Remember: ASK BEFORE TUNING!
When you connect to this node and find another user already connected, ask in the local chat before tuning. If you don't get any answer within 2 minutes, you are free to tune.
Who tunes assumes responsibility for the tuned frequency.
ANTENNA:
Discone Diamond D3000N 25-3000MHz, 15m agl.
NODE HARDWARE:
VHF Notch filter: 88-108MHz (
www.jghitechnology.com)
Pre-Amplifier: 10bB | 50-790MHz
Receiver: RTL2832 SDR (R820T)
Raspberry Pi 4 model B 8GB RAM (1.5GHz quad-core ARMv8 CPU)
LISTENERS PLEASE NOTE:
I sometimes operate a transmitter in close proximity to this receiver. During these periods the receiver will be unusable or offline.
Enjoy listening!
73 de IZ4YGS Matteo
flyingelvis@libero.it
*The following frequencies are blocked:
- Military
- Law enforcement & security services
- FM broadcasting (filtered by notch)