PE4WJ amateur radio homepage

 

VHF Aurora:
144 MHz E-Skip in EU:

Status

Status

From The DXrobot

 

 

 

APRS Dingetje a small portable APRS tracker that piggybacks onto the Yaesu VX-3

 

Simson a 500kHz SDR / QSD frontend

 

Indoor magnetic loop antenna experiments

 

Warbler a JAVA-based 1200 Bit/s BPSK AX.25 soundcard demodulator

 

Homebrew HF SSB Transceiver

 

ARDF / Foxhunting

 

Visit the shack

 

How to make your own ladderline

 

50MHz

 

VPK2006

 

VHF & Microwave

 

Amateur Satellites

 

Portable operations

 

GPS disciplined 10MHz reference

 

Antenna tuner experiments

 

Other projects (1:1 balun transformer and antenna tuner)

 

MOSFET HF PA experiments

 

FT-817 PA replacement

 

Last update: 14 November 2010

 

Contact info on bottom of page

Operating AO-40 mode U/S in the field

 

Links:

 

The Delfi-C3 project

The Delfi groundstation webcam

Koen PE1RCW

Gert PG5D

Howard G6LVB

David G0MRF

Wouter PA3WEG

WebSDR at the Delfi-C3 groundstation

WebSDR www.websdr.org

AMSAT www.amsat.org

AMSAT-UK www.uk.amsat.org

Borrelronde http://www.borrelronde.nl

 

VHFDX www.vhfdx.de

DX cluster http://oh2aq.kolumbus.com/dxs/

ON4KST chat http://www.on4kst.com/chat/start.php

Maidenhead gridsquare distance & bearing calculator

Hepburn tropo maps

G7RAU MUF maps

 

 

You can reach me via e-mail at:

 

<insert my call here> at amsat.org

 

73, Wouter Jan Ubbels PE4WJ