= NOW 15 WPM = TEXT IS FROM APRIL 2021 QST PAGE 32 = KL7AJ, DISCUSSES ELECTRO MECHANICS AND CONTROL THEORY. JERRY SPRING, VE6TL, DISCUSSES THE ONSET OF SOLAR CYCLE 25 AND THE MG II INDEX. PHIL SALAS, AD5X, DESCRIBES HIS METHOD AND FIXTURES FOR MEASURING ANTENNA TUNER LOSS. PETER DENEEF, AE7PD, ADDRESSES RF EXPOSURE FROM A 70 CENTIMETER BAND COLLINEAR DIPOLE ARRAY. KAI SIWIAK, KE4PT, DESCRIBES LIGHTNING INDUCED ELEC TROMAGNETIC PULSE EFFECTS. QEX A FORUM FOR FREE EXCHANGE OF IDEAS AMONG COMMUNICATIONS EXPERIMENTERS, IS EDITED BY KAZIMERZ KAI SIWIAK, KE4PT = END OF 15 WPM TEXT >