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LED lighting equipment may cause severe electromagnetic disturbances

Ham Radio NewsBy CQDX.ruSeptember 6, 2011

More an more LED lights are entering the market and are being used by radio amateur and their neighbors. There is a limit to maximum disturbance voltage on the mains port defined in EN55015, which is equivalent to the protection of EN55022, however it is not fully implemented within the EU due to a transition…

QRO 6m PA (GS35b tube)

HAM VideoBy CQDX.ruSeptember 5, 2011

F5MAG’s Smeter killer linear power for 6m basetd gs35b 4000 v pwr 2 kw hf not bulshit P.E.P Video by F5MAG

Final test 2kw PA (gs35b tube)

HAM VideoBy CQDX.ruSeptember 5, 2011

Video by F5MAG

Take a look at a real SWL Shack

HAM VideoBy CQDX.ruSeptember 4, 2011

SWL-NL6777

HF Linear Amplifier HF DX2011a

QRO/QRPBy CQDX.ruSeptember 4, 2011

New Chinese Powerful HF Linear Amplifier No information found about Options, Specification and Price. The Front Panel is similar to OM Power HF Amplifiers. Photo by JH0KHR

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