roger beep oscillator ci

Surplus Radio Society - Dutch society of collectors of old ex-military radio equipment and other nostalgic receivers and transmitters

SD Australia - Official web site

161SD012 Mario - Home Page of 161SD012 Mario, member of Special DX'ers Radio Group SD, Poland Vice President & Magazine Editor. QSL Gallery, logs, QSL cards and many more useful informations about DX-ing.

315KL101 Yuri Priority listing - Personal web site from Poltava Ukraine

My CB Shack - Website created for the CB Radio Hobbiest. Specializing in DX radio and cb base stations.

K2 Logger - K2 logging system by WB2QAP, logs ARCI sponsored contests and others with same point system

National RACES web site - US national radio amateur civil emergency service web site

A.D.R.I. 38 - Ham radio web site of the Association Departementale des Radioamateurs de l'Isere. Many links, forum, technical pages, adds, QSL, F5KGA, Grenoble...

TA7KT Club - Telsiz Radyo Amat¸rleri Cemiyeti Kayseri ?ubesi web sayfas.TURKEY

Central New Hampshire Amateur Radio Club - ARRL special service club

Tar River Amateur Radio Club - The Tar River Amateur Radio Club is a society of amateur (ham) radio operators generally based in Rocky Mount, North Carolina.

LY Hamfest 2000 - Radio amateurs in Lithuania have a tradition every summer to meet somewhere in a beautiful place. Lithuanian Amateur Radio Society (LRMD) and Panevezys district radio club organize LY HAMFEST '2000 and kindly invite radio amateurs from all countries.

ViperDew's Amateur Ham Radio - Amateur Ham radio site, something for individuals looking to get into HAM radio or experienced Amateur's.

US Police Scanner  ^{updated  pop} - Live, 24-hour audio broadcasts of police scanners in major cities around the United States.

Radio Adventures - Design and manufacturing of electronic components, kits, and accessories for the amateur and commercial communications. CMOS Keyers, W1AW receivers, PC borads kits

Italian airport frequencies  ^updated - List of italian airport frequencies

Northern Electronics, Inc. - Offers 2 way commercial radios to public safety, fire, police. Also has battery database

The F*R*R - The Free Radio Recource is updated by the week and has loads of info for pirates, listeners, and operators

DX Report from Colombia - DX Reports objective is to quickly issue the DXLogs made by Yimber Gaviria in Colombia

RCOM for Linux - Terminal program for serial device.

Prolog2K - Commercial logging software for windows, with QSL route functions, logbook conversions, rig control and cluster support by Datamatrix

Zelscope  ^pop - Zelscope is a Windows software that converts your PC into a dual-trace storage oscilloscope and spectrum analyzer. It uses your computer's sound card as analog-to-digital converter, presenting a real-time waveform or spectrum of the signal - which can be music, speech, or output from an electronic circuit.

PLL2 - 2nd Order phase locked loop design for passive and active circuits. Bode plot, step response, design parameters

CBTricks  ^pop - We intend to provide a wide variety of technically oriented infomation aimed at the Citizens Band, Amateur, and FRS Bands

RS232 Interface - This simple circuit is intended for older Kenwood radios and was presented in chapter 22 of the ARRL Handbook.