Dudnikov, V.G. Dudnikova, G. Han, B. Johnson, R.P. Murrey, S. Pennisi, T.R. Piller, C. Santana, M. Stinson, C. Stockli, M.P. Welton, R.F. JACoW Geneva, Switzerland 978-3-95450-180-9 10.18429/JACoW-NAPAC2016-WEPOA45 English 799-802 WEPOA45 ion plasma solenoid ion-source electron Contribution to a conference proceedings 2017 2017-01 http://dx.doi.org/10.18429/JACoW-NAPAC2016-WEPOA45 https://jacow.org/napac2016/papers/wepoa45.pdf Operation of Radio Frequency surfaces plasma sources (RF SPS) with a solenoidal magnetic field are described. RF SPS with solenoidal and saddle antennas are discussed. Dependences of beam current and extraction current on RF power, gas flow, solenoidal magnetic field and filter magnetic field are presented.