G. Joe Purden

9950 Enchanto Road

Atascadero, CA 93422

purden@verizon.net

 
 
 
 
 
 
 
 
 

Articles

“Limitations of the Transmission Line Resonator Approach to Broadbanding 80m Dipoles” (QEX Nov/Dec 2020)
“Adding 80m to a 160m Receiving Array” (QEX May/June 2021)

Technical Presentations

 
Measurements on the ARRL EFHW with 49:1 Transformer
Analysis of Multiband Antennas for Field Day
XM-240 Loading Coil Measurements
160m Coax Stub Filter
High Efficiency 15, 20 and 40m Vertical
DF Loops for RFI Investigation
Solar Install at W6AYC
2 ele 160m RX Array
HAFTA Analysis of 20 and 40m Antennas
NEC2 Models of SteppIR
6 meter Omni Antenna
Broadbanding an 80m Dipole
80m Baluns for Dipoles
Ferrite Cores for Transmitting Chokes
Matching a Short Vertical on 160m
W6AYC Tower Project
HAFTA Analysis
 

Antennas

DX Engineering Skyhawk at 60 feet with VA6AM Triplexer/BPF’s
XM240 at 52 feet
TH-2 at 30 feet
80m dipole at 45 feet
30 foot vertical top loaded by TH-2 for 40/80m
67 foot tee- top loaded vertical for 160m
80/160m RX: 2 ele vertical array, NE/SW and NW/SE
 

Professional Career

Contest Results

First licensed as WB8AYC in 1968 (Goshen, Ohio). Retired to Atascadero in November 2017 after 16 years in Westlake Village, CA and 35 years in microwave engineering.