The Korean Amateur Radio Station






Signal Meter (S/PWR/ALC)                      

Welcome to HL1IWM's ham life web site !

Thank you very much for your visit this site! I expect you will find something that interests you.

This home page is a true nonprofit web site for amateur radio and maritime safety by a radio amateur. Therefore, if you are a radio amateur and don't use commercially, all contents registered on this page are free of charge for you.

And the contents on this page for maritime safety were based on the International Code of Signals publication No. 240 revised by the 73rd Maritime Safety Committee of the International Maritime Organization on November 2000. I hope that this page is used as a last resource of communication when the ship is in danger with regard to vessel safety and human's life. Also, these contents are expressed as reference to a instance of general communications among the ships.

And if you have any other comments and questions regarding my home page, please mail to me (

This page will be seen more good at 800×600 or 1024×768 colour screen of 16 bits over. Also this page was generally designed for the users of the memory bytes more than 64MB, Internet Explorer version 5.0 over on the latest version Windows such as Windows98, Windows2000, WindowsME, WindowsXP. And also it was optimized at High Speed Internet 1.5Mbps over.

If you click a flag icon under Babel Fish of AltaVista, you can see this page translated into your language such as Chinese, German, Japanese, Korean, French, Italian, Portuguese and Spanish by the web translation.

Best wishes and good luck to you, also I am looking forward to seeing you on the air. 73!


Heon-Jo Lee (Mr.)


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Last Update

Go to Introduction of my Station

 Introduction of my Amateur Radio Station - HL1IWM

2 Aug. 2004

Go to International Code of Signals

 International Code of Signals

16 Sept. 2003

Go to Air Visual Signals

 Air Visual Signals for Use in Emergency
 (Air visual signals / Air visual body signals / Air visual paulin signals)

4 July 2004

Go to Code Words

 Code Words for Radio Telegraph   
(General code words / Distress code words / Q code words)

17 Apr. 2005

Go to Amateur Radio Manuals

 Amateur Radio Equipment Manuals

6 June 2004

Go to Amateur Radio Equipment Modifications

 Amateur Radio Equipment Modifications

20 June 2004

Go to Amateur Radio Equipments Resetting

 Amateur Radio Equipments Reset Procedures   update01_red.gif

19 Feb. 2005

Go to Simple Homebrew Amateur Radio Accessories

 Simple Homebrew Amateur Radio Accessories   update01_red.gif

20 Feb. 2005

Go to Linear Power Supply Design Technic

 Linear Power Supply Design Technic   words_sp_new_1.gif

12 Feb. 2005

Go to Computer Softwares

 Computer Softwares for Amateur Radio   update01_red.gif

20 Feb. 2005

Go to Online Calculators

 Online Calculators for Radio Telecommunications

28 Mar. 2004

Go to International Call Sign Prefix Allocations

 International Call Sign Prefix Allocations

9 Feb. 2004

Go to Call Book

 Online Call Sign Books for Amateur Radio

6 June 2004

  KARL Band Plan for Amateur Radio

18 Sept. 2004

Go to World Map for Amateur Radio

 World Maps for Amateur Radio

4 July 2004

Go to Electric Power for Home Use

 Electric Power for Home Use around the World

27 June 2004

Go to Web Site Links of Amateur Radio Societies

 Web Site Links of National Amateur Radio Societies   

13 Feb. 2005

Go to My Trip round the World

 My Trips round the World

21 Dec. 2015

Go to Online Maps

 Visiting Guide for Foreign Visitors to Korea
(Guide / Map of Korea / Map of Seoul / Route map of Seoul subway)

 1 Jan. 2018

For SALE !         Please mail to me ;




Yaesu FT-101 Series AF Unit PB-1315A (For FT-101E/101EE/101EX)


US$ 25

Yaesu FT-101 Series AF Unit PB-1081C (For FT-101/101S)


US$ 25

Yaesu FT-101 Series RF Unit PB-1077B (For FT-101/101S)


US$ 25

Yaesu FT-101 Series HF/IF (MIX) Unit PB-1180 (For FT-101/101B)


US$ 25

WANTED !         Please mail to me ;




Kenwood 2m All Mode Transceiver TR-751 (Not TR-751A) Manual


Original or a Copy

Spectronics Digital Display DD-1 Manual


Original or a Copy

Kenwood 20MHz Oscilloscope CS-1021 Manual


Original or a Copy

Jungjin 100KHz~110MHz Digital FM/AM Signal Generator JSG-1070A Manual


Original or a Copy

Leader Audio Signal Generator LAG-57S Manual


Original or a Copy

Leader 1GHz Digital Frequency Counter LDC-825 Manual


Original or a Copy

Hewlett Packard 100MHz Digital RMS Voltmeter HP 3403C Manual


Original or a Copy


Go to Introduction my Station          

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Web site designed and hosted by Heon-Jo Lee (call sign ; HL1IWM)