RTL-SDR for VHF Air_AM/VHF Marine_FM Weather & Cyber Security

Introduction

The RTL-SDR can conveniently be used to check both VHF Air & VHF Marine weather. Figure 1 shows the receive schematic. Recently a significant cyber security outage affected millions of Windows computers all around the world. I offer two simple solutions that can be easily applied before more outages happen.

Receive Block Diagram

Fig.1 Receive Diagram
Fig.2 SDR# VHF Air AM Weather Settings
Fig.3 SDR# VHF Marine FM Weather Settings

Figure 1 shows the receive block diagram. Using SDR#, you can rapidly switch from receiving VHF Air AM weather to VHF Marine FM weather. Figure 2 shows the VHF Air settings and Figure 3 shows the VHF Marine settings.

Windows Cyber Security

Fig.4 Windows Restore Point

The recent Windows outage that affected millions of computers world wide reminded me of blue screen problems I have run into over the years with SDR hardware drivers. One solution I have used many times is to make a System Restore Point, which can be used in case your Windows system Freezes. You boot the computer in safe mode or into recovery options and use the system restore point to reset your system to a know stable configuration. Another option is to create a dual boot system with Linux on a separate partition in case Windows is beyond recovery.

Fig.5 YouTube Video RTL-SDR for VHF Air_AM/Marine_FM Weather

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By Jeremy Clark

Jeremy Clark is a Senior Telecommunications Engineer and Advanced Amateur Radio Operator VE3PKC. He is the author of E-Books on Telecommunications, Navigation & Electronics.