G5RV/ZS6BKW Antennas

The ZS6BKW antenna is a better match for our bands than the G5RV. The method of construction and tuning  is essentially the same for both antennas but the dimensions are different.

Here is the ZS6BKW antenna installed at AK6R fine tuned for the CW/FT8 frequencies on 40-20-17-12-10 meters.  An excellent antenna when installed at 30 feet or higher and no tuner required avoiding the tuner losses and constant retuning.  If you want to work all bands from 80-10 install an antenna tuner between the 1:1 balun and the amplifier and ignore the 39/40 switch.

Is this the best FT8 antenna?  – I think so as I has made over 70,000 contacts and it still is a proven winner -Good world wide DX, easy to install, no tuner and takes full legal limit.

PAL ZS68006 Ant Layout - G5RV/ZS6BKW Antennas

 

Here are several different 1:1 baluns you can use depending on power requirements:

Elecraft KXPA100 HF Linear Amplifier RFI Kit - 4 Filters for RF In/Out, DC Power, Relay/PTT/Computer Control

SKU RFI-ELECRAFT-KXPA100
$24.95
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Elecraft KXPA100 HF Linear Amplifier RFI Kit - 4 Filters for RF In/Out, DC Power, Relay/PTT/Computer Control
Product Details
MPN: RFI-ELECRAFT-KXPA100
Type: New
Country/Region of Manufacture: United States
Filter Power Rating (PEP watts): coax cable limit
RFI Suppression Range (MHz): 1-300 MHz
# Ferrite Filters: 4
Typical Use:: DC power, RF In/out, I/O control cables

This is a generic linear amplifier RFI kit for DC powered amplifiers. Works on many popular amplifiers including:

Specially designed for the Elecraft KXPA100 linear amplifier used with the KX3 and the Yaesu 817 radio (and others).

Included are the following chokes and installation guidelines:

RF Input: 1/2" Snap on – 2 turns of RG-8X size coax through center (use additional turns if using smaller cable)

RF Output: 3/4" snap on – 3-4 turns of RG-8X size cable (use additional turns if using smaller cable)1/2

Control or Relay Cable: 1/2" snap on – 2-3 turns thru center - ½” diameter hole

DC Power Line: 3/4" snap on – 2-4 turns of +/- DC cables through center


 

Here is the Coax Noise Filter used to suppress coax common mode currents (works for all type of antennas)

 

PDF of ZS6BKW at AK6R Construction Article HERE: My ZS6BKW Antenna