The following items and articles will be of interest to those
wishing to learn more about experimentation on the LF bands:
 The First Year's Testing on 73 kHz (RadCom, August 1997, p17).
 250 W Broadband MOSFET Amplifier for 136 kHz contributed by David
Bowman G0MRF and presented by Pat Hawker G3VA in his 'Technical Topics' column (RadCom,
February 1998, p59).
 Build Efficient, Short Vertical Antennas by Thomas Kuehl AC7A
(QST, March 1998, p 39).
 Getting Started on 136 kHz by Peter Dodd G3LDO (RadCom, March
 Adapting a G5RV for 136 kHz contributed by Steve Rawlings GW4ALG
and presented by Pat Hawker G3VA in his 'Technical Topics' column (RadCom, May 1998, p60).
 How low can you go? by Kelvin Law G4WMZ (Short Wave Magazine,
August 1998, p43).
 Exploring 136 kHz by Peter Dodd G3LDO (QST, November 1998, p30).
 Review of the The Ropex "First" 136 kHz transmitter
(AMRAD Newsletter for May-June 1999, p7). Or see: A First Glance at "The
First", by André Kesteloot, N4ICK at:
 Review of the Ropex 'First' by Dave Pick G3YXM (Radio Today, June
1999). Or see:
Review of the Ropex TX, Dave Pick G3YXM at:
 PA0SE's 136 kHz Transmitter contributed by Dick Rollema PA0SE and
presented by Pat Hawker G3VA in his 'Technical Topics' column (RadCom, April 1999, p57).
 Aperiodic shielded loop and pre-selector for 136 kHz by Walter
Geeraert PE1ABR. Translated and condensed by Erwin David G4LQI from Walter's original
article presented in Election (NL) 2/99 (RadCom, April 1999, p38).
 Simplified antenna current monitoring contributed by John Innes
VK2AUI and presented by Bob Schetgen KU7G in his 'Hints & Kinks' column (QST, June
1999, p75). On 136 kHz this will work fine with a 25 mm OD 3C85 core.
 Operating on 136 kHz by Peter Dodd G3LDO (Practical Wireless,
February 2000, p32).
 LF DXpedition to the Isle of Man by Graham Phillips G3XTZ
(RadCom, February 2000, p16).
 A 136 kHz Antenna Tuner by John Heys G3BDQ (Practical Wireless,
May 2000, p46).
 Fun on 'Long Wave' - But is it QRP? by Steve Rawlings GW4ALG
(SPRAT No. 107, Summer 2001, p18).
 The AMRAD Active LF Antenna by Frank Gentges K0BRA (QST,
September 2001, p31).
 The Marathon 136 kHz QRP Transmitter by Steve Rawlings GW4ALG
(SPRAT No. 108, Autumn 2001, p12).
 Wassereimer-Variometer für 136 kHz Steve Rawlings GW4ALG
(QRP-Report, 1·2003, s11. Übersetzt und aufbereitet von Matthias Rauhut,
DF2OF). Vielen Dank, Matthias!
 A Class D Transmitter for 136kHz by David Bowman G0MRF
(RadCom, January & February 2003).
a) 'QST' is the monthly journal of the American Radio Relay League (ARRL).
b) 'RadCom' (Radio Communication) is the monthly journal of the Radio Society of Great Britain
c) 'AMRAD Newsletter' is the journal of Amateur Radio Research and Development Corporation (AMRAD).
d) 'SPRAT' is the journal of the G-QRP
e) 'QRP-Report' is the quarterly journal of DL-QRP-AG.