Pay in 4 interest-free payments of $21.24 Learn more
Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
This device is an acoustic receiver tuned to the ultrasonic range of 40 KHz allowing you to hear the ultrasonic noise generated by the corona discharge and arcing connections that generate the power line static on your radio
Plug in a boom mic/headset (MFJ-393) to save the day during noisy field day or multi-operator contesting
You could lose up to 10% of your power
built-in earphone jack
MFJ-919,BALUN, CURRENT, 4:1, 1.8-30 MHz, 1.5kW Electronic Keyer This device is an acousticThe MFJ 919 is a 1500 Watt true current baluns antenna center insulators that transforms 200 ohms to 50 ohms. Transmission Line Transformer construction using 100 ohm characteristic impedance transmission line gives flat 160 10 Meter response. Large low permeability ferrite cores easily handle full power. SO 239, stainless steel hardware with direct 14 gauge stranded copper wire connection to antenna. Heavy duty weather housing. Measures 3 x 3 x 2