80m band plan

X beams antennas - X bams wire antennas for 15 meters band

KK5BL How To Build A G5RV Antenna  ^pop - How to build a G5RV Transmitting antenna Originally posted to the packet bbs system by KC6CFF. The G5RV is an easy-to-build 80-10 dipole requiring no traps. All bands are covered, including 30, 17, and 12. The G5RV has high SWR, by design, on most bands and a tuner is required

K9FV 40 meters band loop - A Mississippi Style 40 meter magnetic loop made from available aluminum conduit, this antenna will not disappoint by Ken Holland, K9FV

My 80 Meter Magnetic Loop  ^pop - A custom made 80 meter loop antenna. Reports on usage and tips to build the support.

GM4XRF Loop antenna plan - A motor driven magnetic loop antenna 1.5 meters square for 3.5-10MHZ by GM4XRF

80 Meter vertical Loop - An 80 meter band vertical loop antenna setup at PA3FUN

G5RV multi-band antenna construction guide  ^pop - Excellent guide to build a G5RV by Lombry

Homebrew G5RV  ^pop - A G5RV plan for 10-160 meters, 10-40 and 10-80 meters band

G5RV Formula - G5RV Formula - a simple multiband antenna, by Rick, KC8AON

G5RV Multiband hf antenna - info on G5RV antennas by yb0emj

Low reactance multiband center feed wires - An antenna system is more easily interfaced to a radio when the input reactance at the feedline terminals is low or close to series resonance

Helix Calc  ^updated - Helix antenna calculator, to design and make helix antenna plans

VU2TQC Slim Jim - An home made slim jim antenna for 2 meters band by VU2TQC

Quarter Wave with radials - VHF quarter wave antenna mainly for scanner usage, The quarter wave antenna is an easily designed and constructed antenna for whatever frequency you want, although with the following design, you may to limit it to the VHF and UHF bands due to the physical size.

Multi-Elmac - THE MULTI-ELMAC AF-67 Trans-Citer is a ten-tube variable frequency or crystal controlled seven band transmitter.

CB Packet Forums - Packet radio on cb band discussion forum

Definition of frequency bands - Definition of radio frequency bands, hf vhf uhf etc.

The Shortwave Broadcast Bands - For convenience, the shortwave part of the radio-frequency spectrum is subdivided into bands. Each band has its own unique propagation characteristics

Radio waves below 22 kHz - Exploring ULF-ELF and VLF radio band

Morse code ringtone generator - This page converts text into a morse code ringtone playable on most mobile phones.

Albuquerque Transmitter Hunting - An active group of Amateur Radio operators who locate hidden transmitters for fun and in times of need, such as determining the source of interference to local repeater systems or individuals who use the Amateur Radio bands illegally.

RadioTronics - Online UK CB Radio shop specialising in UK CB Radio and 10m Amateur radio equipment. Scanners and multiband receivers also available.

BR-universal-Filt - Freeware real time DSP filter particularly for applications of amateur radios , IIR, FIR filter, low-pass, high-pass, band-pass filter, band suppressor (notch filter) individually adjustable

Band Master - Band Master is a program for Radio Amateurs that downloads DX spots and displays them in different ways, including a graphical band map. It can be used either as a stand alone application or as part of a logging or contesting software via the COM/OLE interface. Rig control, country/province resolution, azimuth/distance calculator and online QRZ lookup are built-in, propagation prediction and geographical mapping are available through integration with HamCap and DX Atlas respectively.

50Mhz amplifier GS35b by OZ1DPR - A 6 meters band amplifier width schematics