thermal overload protection
05:1 SWR at resonance if the antenna is mounted in the clear and care is taken in attaching the feedline
Protect your ideas from industrial espionage
These books only cover the written part of the test
ALS-600S sec , 600WATT, SOLID STATE AMP W/SWITCHING POWERSUPPLY (Factory sec) Loop Antenna thermal overload protectionNo tuning, no fuss, no worries just turn on and operate includes AC power supply, 600 Watts output, continuous 1. 5 22 MHz coverage, instant bandswitching, no warm up, no tubes to baby, fully SWR protected, extremely quiet, very compact Ameritrons revolutionary ALS 600 is amateur radios ONLY linear amplifier that uses four rugged TMOS RF power FETs gives unequaled no tune solid state performance. Includes Ameritrons no tune FET Amplifier and a 120 220