K9IVB

Sun City, Arizona

Presentations:

West Valley Amateur Radio Club - April 2006    External Storage

West Valley Amateur Radio Club - October 2007    Introduction to SoftRocks and HPSDR

West Valley Amateur Radio Club - August 2011  44ft_EDZ_Ant_Details

SDR - Softrock - DSP Technical Reference Material

HPSDR Hermes SDR Transceiver and VNA

Munin2 Group Buy and Build Information
and info on an alternate Alex design

Munin3 Documentation

VNA Bridge Circuits

RF_Power_Meter

GPSDO

Directional_Coupler

KU6X TRS
PCB variations of the original John Hurst KU6X design presented in QST August 2018 pp. 32 - 35
“Versatile Transmit / Receive Switch and Active Antenna”

PiHPSDR_Project

Preliminary page for
Audio_Processors Project 

QEX Sept 2021 Step Attenuator info
Miniature SMA Step Attenuator

NanoVNA [QEX Nov 2021] and Support Circuits
NanoVNA

Sun City Computer Club Reference Material