4cx250b protection

Protection for Yagi elements - The following discussion about the Aluminum oxidization & protection of Yagi elements took place in the Moon-Net reflector.

RPF Communications - Innovative and fast growing radio communications accessory company in the UK. Station protection, monitoring and control products, Microphone splitters and headsets

Alltec Asia - Lightning Protection System Surge Protection Grounding System Design Malaysia

Teledao - Manufacturer of Grounding kits, cable, copper lugs, bus bars, brackets, lightning arrestors for coaxial feeder cable & fiber cable lightning protection & grounding

Mobile operations: Wiring Protection - Installing an amateur radio transceiver in a vehicle entails a lot of work, and attention to detail. This includes proper wiring, protecting that wiring, and ultimately protecting the equipment as well.

FT-817 DC Circuit Protection - A schematic for a DX circuit protection for the Yaesu FT-817, provides protection from the external power supply overvoltage by DL2LTO in german

QSL Protect - QSL Card Organizer, protection sleeves fit into binder to organize and display your QSL cards. QSL Card Holders.

4CX250B PA regulated supplies - A PA project by John, G8MN

VHF 200W Amplifier project - 2m 200 Watt linear using a 4CX250B

6m 200 Watt linear using a 4CX250B - This 50 MHz RF Amplifier uses a 4CX250b forced air cooled tetrode and produces 250 W for a drive level of approximately 3 W.

2m 400 Watt linear using two 4CX250B - This is the classic push-pull 2m linear amplifier featured in the various RSGB handbooks, 3 W input, can produce 500W of linear pep

2m 200 Watt linear using a 4CX250B - This VHF RF linear uses a 4CX250b forced air cooled tetrode and produces 250 W output for a drive level of approximately 3 W

Lightning Protection for the Ham Radio Station - K9JY article on how protect our ham radio equipment from lightning

Lightning protections - HB9TMW page about lightning protection solutions

Lightning protection Coax box - A lightning protection box done to disconnect antennas from the shack by PE2MC

Lightning and Surge Protection - Interesting PDF Document on Lightning and Surge Protection

Lightning Protection - About Lightning Protection by Solacity Inc

Grounding on lightning protection - A good ground is very important, maybe the most important thing, in mitigating lightning damage

Lightning and Surge Protection - Some technical information for on Opto Isolation, Transformer Isolation, Surge Protection

Lightning protection Steppir/Coax box - PE2MC lightning protection solution for his Steppir antenna

12V System Surge protection - A surge protection project by G8MNY