General Tech Knowledge

Results 1 - 3 of 3

  1. How do I accomplish grounding and bonding to prevent RFI?

    Ham Radio Tech: Grounding and Bonding and RFI

    Over the past few years, a lot of attention has been developed regarding grounding and bonding. I am pleased that my ARRL book Grounding and Bonding for the Radio Amateur has generated a lot of interest. This is a very important subject for hams as ...

  2. What is galling? How can I prevent it?

    Stainless steel nuts and bolts can become fused together, using anti-seize lubricants can prevent this

    Stainless steel nuts and bolts used in antenna and tower work can become fused together, making them impossible to disassemble. They need to be cut or broken off. There are steps you can take to prevent this from happening. Materials such as stainle...

  3. Can the BNC Connections on the RG5000HD Work With Both 50- and 75-ohm BNC Cables and Connectors?

    The RG5000HD is an impedance-tolerant device that can handle 50- and 75-ohm-range connections

    Observers will note that 75 ohm BNC connectors have different diameter pins than 50 ohm BNC connectors, yet the RG5000-HD Receiver Guard claims that it works with both. Here's why: Although the BNC connectors used on the RG5000-HD are 50 ohm, consta...