Rohde & Schwarz SK080 Modulator
The R&S SK080 has a nice internal modulator with 2 x EL 34 and 2 x QB3/300 tubes with a brilliant AM modulation. This R&S SK080 transmitter could modulate around 800 Watt nom.
Many dutch pirates use the smaller R&S SK010 with external modulator, this transmitter can modulate around 130 Watt nom.