The 70's run and another radio amateur enthused by the audio and marveling to hear the lu1dce transmissions decided to contact Jorge so he could request information from his powerful AM transmitter with which he operated in all the bands we are talking about neither more nor less than Of the great Lu8eha Norberto who at that time decided to build a replica of the powerful transmitter of 12 valves 6dq6 in radiofrequency for 12 valves 6dq6 in audio developed by lu1dce, transmitter that later would be reformed and would happen to have 16x16 6dq6, this is how Lu8eha performs a Identical transmitter 16x16 6dq6 with 1500w of am 100% modulated with an extraordinary performance for the time! However Norberto apacionado to overcome the techniques used by radio amateurs of the time for transmitters of AM decides to develop a transmitter PWM for fans is so in the year 1978 lu8eha becomes the first station of amateur radio of the world to put on the air in bands of Radio amateurs a pulse width modulated transmitter PWM system that was still little known and used by the major brands of transmitters for broadcasting! Over the years, LU8EHAhas developed thousands of circuits for AM Mode Enthusiasts, circuits that run through the pages of amateur radio around the world and can be seen on Norberto's own website http://www.lu8eha.com/ The present Norberto LU8EHA and Jorge LU1DCE continue emitting from Argentine,Norberto emits only in 7150khz in band of 40m and 3625 in 80 meters and Jorge in 7120khz in 40 meters and 3600khz in 80 meters, they are at the moment the most powerful stations of the world of amateur radio in mode AM very achieved with its own developments the Higher audio quality in your broadcasts by far exceeding the large broadcasting chains of AM! LU8EHA emits currently with a transmitter of 30kw AM class D own construction and LU1DCE emits with 12kw AM class D own construction having special permissions to operate great powers like amateur radio obtained in the CNC of Argentina. If they have a good short wave AM receiver in the days of propagation, they can listen from any corner of the world to these two geniuses of radio amateur ...