Eliminating noise on vlf

Discussion in 'The Low Bands - 630/2200 Meters - VLF' started by N4AEQ, Jul 3, 2019.

ad: L-HROutlet
ad: l-rl
ad: l-gcopper
ad: L-MFJ
ad: abrind-2
ad: Left-3
ad: Subscribe
ad: Left-2
ad: l-BCInc
  1. WQ2H

    WQ2H QRZ Lifetime Member #214 Platinum Subscriber Life Member QRZ Page

    It is short in comparison to the wavelength - but remember it sends DC up the coax and has active electronics directly at the feed point, and then back at the receiver input. The L-400B is even shorter (<1m) but I really haven't had a chance to experiment with that too much.

    I'm still tweaking the load coil / match for the best SWR, but here's what I was hearing last night on the WSPR 630m rig using the CCW.

    Jim, WQ2H / WK2XAH

    KK4CUL likes this.
  2. KC6ETE

    KC6ETE Ham Member QRZ Page

    Alan Payne's work on ferrite antennas is a must read.

Share This Page