INFORMATION on some aspects of Radio communications

General

A current International List of Countries of this world, dated 2000-04-01. (48 Kbytes).
A current Table of HF Frequency Allocations, as listed in the ITU Radio Regulations Article 8 (RR 8), 1995. (325 KBytes).
A comprehensive List of Q-codes: QAA...QNZ (ICAO/PANS) and QOA...QQZ / QRA...QUZ (ITU Radio Regulations), dated 1994-12-31. (77 Kbytes).
A List of Z-codes: ZAA...ZZZ signals (C&W and NATO/ACP), dated 1997-12-31. (119 Kbytes).
A List of GENTEX-codes used in the GENTEX public telegram service, dated 1994.
TTYpunch, punch a perforated ITA2/Baudot teletype tape.
Some operating parameters of RTTY signals.
More information about HF utility radio stations.
A historic collection of QSL cards and QSL letters received here between 1970 and 1980.
Historic logs and printout copies of utility traffic received between 1970 and 1984.
A guide How to convert and display true cyrillic text from the ASCII-output of decoded 3-shift-cyrillic Russian radio teletype (RTTY). New version of 2001-07-30, dealing with Unicode UCS UTF-8. (15 Kbytes).
A guide How to display cyrillic text on a PC from decoded 3-shift-cyrillic Russian radio teletype (RTTY). First version of 1995-09-12, dealing with code pages KOI8, 866, 1251. (12 Kbytes).

Amateur Radio

Information about the amateur radio station DL4TA.
Historical information about the DL4TA AMPR.ORG packet radio stuff, dated 1997-11-05.
Relaisfunkstelle Stuttgart DB0ST, formerly DB0WR, renamed 2002-12.
Historical article about the operation of the Mt.Wilson ham radio repeater.

Aeronautical Radio

A current List of AMS HF channels, current frequency assignments (ITU RR-AP27) of the Aeronautical Mobile Service (R), dated 1983-03-17. (17 KBytes).
A short documentation annex10.php with references to two programs to generate AERO SELCAL tones according to the specs of ICAO: Aeronautical Telecommunications, Annex 10 to the Convention on International Civil Aviation, Volume I.
A short article about the ICAO 24 bit aircraft addresses and their use in PC-HFDL.(9 KBytes).
A list of ICAO 24 bit aircraft address allocations to states.(48 KBytes).
Convert an ICAO24 address, bit-reverse it, and look it up in the list of aircraft.
A list of aircraft on HFDL.
HFDL monitoring with PC-HFDL.

Maritime Radio

A current List of MMS HF frequency assignments, dated 1991-07-03. This list contains the current HF sub bands and frequency plan of the Maritime Mobile Service as of 1991-07-01. (170 KBytes).
More about DSC - Digital Selective Calling in the Maritime Mobile Service.
A selcall documentation file with a general description of SITOR selcalling in the Maritime Mobile Service. (34 KBytes).
Here is an interactive Selcall program to translate and possibly lookup selcalls of the Maritime Mobile Service (MMS).

If you have comments, or if you just found one of these items useful, please drop me a line.
Your feedback is highly appreciated.

Contributions welcome.
If you have a related article you want to publish but don't have own web space, you may send it to be published here, with full respect to your authoring rights, your copyright, and full credits (of course).

Document URL : http://www.kloth.net/radio/
Copyright © 1995-2024 Ralf D. Kloth, Ludwigsburg, DE (QRQ.software). < hostmaster at kloth.net > [don't send spam]
Created 1995-12-20. Last modified 2006-07-30. Your visit 2024-05-21 06:04.15. Page created in 0.0508 sec.

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