4 el yagi

G8VR a small Yagi for 50 MHz - Complete plans and drawings to build a Yagi for six meter band by Ken Willis, G8VR

A simple Wi-Fi Yagi - Add two parasitic elements to the sleeve dipole of a Netgear Router

Greater Louisville Hamfest - Held at the Bullet County Fairgrounds, Ham radio equipment, computers, flea market, tailgating, Free RV parking, Ham license testing, forms

eHam.net - Ham Radio community web site

Q-PAR Microwave Antennas - The company (founded in 1973) excels in the research, design, development and manufacture of microwave antenna systems & components. Our range includes horn, reflector, sinuous, spiral, LPDA, helical antennas, etc; antenna positioners, and many bespoke components.

Tigertronics, Inc. - Packet/telemetry modems, GPS tracking, sound card interfaces

Radio Alphabet - Listen to phonetics recommended by the International Telecommunication Union, or ITU.

PSK31 official page - Description of PSK31, mailing list, frequency for QSO

Satellite Frequency list - Satellite frequency list from 3 to 8475 Mhz

Orbitessera - Orbitessera provides a mosaic of orbital information. Information is provided for the Space Shuttle, the International Space Station , Mir Space Station , and general Satellite Keplerian Elements information

Shuttle Audio Frequencies - The frequencies listed here may carry shuttle audio during space shuttle missions

Yaesu VX-8R Audio Level - The RadioReference.com Forum topic about VX-8R and audio setting

MacDoppler - MacDoppler and MacDopplerPRO 3D satellite tracking and station automation software for Macintosh by Dog Park Software Ltd.

MacEME - Realtime moontracking for moonbounce enthusiasts EME

MoonSked - Moon tracking for Mac and Windows for EME

JVComm32 - The multi-purpose FAX, RTTY / SYNOP / NAVTEX and SSTV program for Windows 95, 98, 2000, NT 4.0, XP, Vista and Windows 7

RCKRtty - Commercial windows RTTY Program, RCKRtty is a comprehensible program for logging and administration of RTTY, PSK31, Pactor, Amtor and CW-QSO's with simultaneous control of transceiver and real-time operation with Packet-Radio. RCKRtty supports normally QSO-operation and a full Contest operation, with maximum data security. Price Euro 45 by Walter Dallmeier, DL4RCK

G4PDQ PacketCluster Tools - G4PDQ's PacketCluster routines to make PacketCluster a little more interesting for the user and a little easier for the SysOp

WinSkan - Windows SSTV software

WIM - General purpose image display and analysis program with special features for analyzing satellite images

TrakSat WinTrak - Wintrak and traksat, satellite tracking software

Astrolock - MSDOS astronomical clock and celestial tracking program with navigation features

Orbitel - Utility program to verify, merge, and sort standard 2-line orbital elements files

Spectrogram  ^pop - Shareware dual channel audio spectrum analyzer for Windows 2000/XP which can provide either a scrolling time-frequency display or a spectrum analyzer scope display in real time for any sound source connected to your sound card. Can be used for MTHELL, QRSS and DFCW by R S Horne

Tunekit - Filter Tuning Kit for Windows is a electronic filter synthesis program and a practical filter tuning aid for actually designing and building a working filter