▃▅▇█▓▒░ Welcome to Tredozio HF ░▒▓█▇▅▃
=> Solo per ricezione frequenze HF, la posizione in mezzo ai monti non permette la ricezione delle freq V/U <=
=> Bad VHF/UHF location, don't waste time here, good HF reception only <=
This receiver is free to tune for NORMAL users, some frequency is blocked*.
It's one of the few online short wave receivers, do not camp on it and check the monitor.
SQUELCH noise threshold is around 25%. SIGNAL METER: 50% is S9 or 50uV or -73dBm, 100% is S9+70 or 0dBm.
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:
HF: Diamond WD330 T2FD 25 m. long, 10m agl, 500m asl.
VHF & UHF: Vertical GP.
NODE HARDWARE:
Receiver: Icom IC-R8500
Raspberry Pi 3 model B 1GB RAM (1.2GHz quad-core ARMv8 CPU)
- usb sound card (Ugreen external sound card w. in-out 3.5mm jack)
- usb to serial adapter (Ugreen USB to Serial RS232 DB9 9Pin COM Adapter FTDI)
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)