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Receiver: Ravenna VHF-UHF in JN64CK
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▃▅▇█▓▒░ Welcome to Ravenna SDR░▒▓█▇▅▃

This is a test receiver for VHF/UHF.
BANDGUIDES are specifically selected for the location and meant to guide you in listening.
SQUELCH has to be correctly adjusted, noise threshold varies a lot:
- on AM around 80%
- on FM around 50%

TUNING:
Feel free to test both "Ravenna" & "Ravenna SDR" receivers at the same time and send feedback. Thanks!
Remember: ASK BEFORE TUNING!
When you connect to this node and you 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:
VHF & UHF: Hoxin MA-3000 Vertical, 15m agl. Gain: 7.5dB(144MHz), 10.5dB(430MHz).

NODE HARDWARE:
Receiver: RTL2832 SDR
VHF Notch filter: 88-108MHz (www.jghitechnology.com)
Raspberry Pi 3 model B (1.2GHz 64-bit quad-core ARMv8 CPU - 1024MB SDRAM)


Enjoy listening!
73 de IZ4YGS Matteo

*The following frequencies are blocked:
- Military
- Law enforcement & security services
- FM broadcasting (filtered by notch)
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