dip meter

5 Elements 28 MHz Monobander - A 5 elements yagi antenna for 10 meters band project, plane and picture of the EF105A by YU7EF

4N1SM 5 elements yagi for 15 Meters - EF155A1 21 MHz monobander antenna by YU7EF

Building High Power, High Q, Loading Coils - This page describes the loading coil (inductor) that W8WWV built for my center-loaded 160 meter (1.83 MHz) vertical antenna.

Antennas for the Low Bands - Articles on TX and RX antennas for the low bands, 80 and 106 meters by John Tait

Is this ewe for you - A really simple receiving antenna for 80 and 160 meter dxing by WA2WVL

160-meters antenna problems and solutions - Bill Orr W6SAI ham radio techniques. Improving ground connection, computer analysis of the antenna, modelling sample antennas pdf file

IK4CIE receiving loop for 160 meters - A receiving only loop antenna for 160 meters band by IK4CIE Vittorio, in italian

Hex-Shaped 160 Meter Receiving Loop - A Hex-Shaped 160 Meter Receiving Loop Greg Ordy W8WWV

Endfed 20/30 Mtr Antenna - Article with detailed pictures of an endfeed antennna for 20 and 30 meter band

HB9RU/MTN Beam antenna - The 2 meters version of the HB9RU antenna in german

2 Meter Turnstile Antenna - Here are construction plans of a Turnstile antenna that can be used for space communication on the 2 meter amateur radio band. Specifically for 145.80 mHz

A 40 meters DDRR Antenna - A direct drive ring radiator antenna for the 40 meters band by W6WYQ QST article.

HB9MTN DDRR Antenna for 50 Mhz - Pictures and dimensions of and HB9MTN DDRR antenna for 6 meters band

J Pole antenna for 6 meters - Homebrewed jpole antenna for 50 mhz by IW0BZD, include pictures and schematics, in italian.

4 el yagi for 50 Mhz - The EF0604S a 4 elements yagi antenna plan for six meters band by YU7EF

Hex Array - 80/40 Meter Vertical - This page describes a homebrew 80/40 meter trap vertical antenna. Includes an interesting antenna raising system that allow easy setup and tuning.

Build a multiband dipole - A nicely documented procedure to build a multiband dipole spending $30 in material and half an hour in assembling by Andrew Daniel - KI4QFY

Rotatable Dipole for 40m-6m - This article describes a simple, inexpensive, dipole antenna that will rival the performance of a ten-meter beam.

Hentenna for 10 meters - Designing an Hentenna antenna for 10 meters band

Hex Beam by K4KIO - This site provides guidelines to build a G3TXQ broad band hex beam RF antenna for the 5 ham radio bands, 20, 17, 15, 12 and 10 meters. The G3TXQ hex beam is a new development and actually easier to build than the classic hexbeam.

160 m receiving loop - KC22TX receiving loop antenna for 160 meter band

160 m Balanced Coaxial Receiving Loop Antenna - KN4LF explanation of the 160 meter balanced coaxial receiving loop antenna, easily adaptable to a 40 and 80 meters band

Portable Wire Antenna - W4ZT used this antenna for Field Day and other portable applications. He built them for all bands between 160 meters and 6 meters. You can make them easily using whatever wire you have available and make the insulators from scrap plastic

Homebrew HF Amp with 3CX3000F7 - Grounded grid triode HF linear amplifier with pictures and schematics diagrams by W2DTC. The amp design was for 160 80 40 and 20 meters

Diplexer design notes - Standard diplexer design is based on singly-terminated Butterworth filters.