70 cm vertical

160 Meter Antennas at W8JI - 160-meter vertically polarized transmitting antennas center around this 200-foot tower

KE4UYP Linear loaded vertical antenna - This is a vertically and horizontally polarized antenna the Linear loaded 1/4 wave length vertical radiator introduces very little loss for 80 or 160 meters

Dual Band Vertical On Autopilot - A good 20 & 40 meter dual band vertical using a novel tuning method that provides automatic band switching.

40 M. triangular full wave vertical loop

70MHz-Yagis - Various Yagi antennas for 70 Mhz band

Bazooka dipole for 70 cm band  ^updated - Here is a very simple 70cms dipole from Harald PD2HFE, which uses a single piece of RG-213 coaxial cable 34 cms in length.

Build A 9dB, 70cm Collinear Antenna  ^pop - 70cm, Collinear Antenna From Coax

70cm yagi antennas - Pictures and plans to build 70 cm yagi antennas

YLRADIO - Full wave delta loop - This Delta Loop is a three-sided antenna suspended high in the air by vertical supports, such as tall evergreen trees. Recommended height is 40 feet or more at highest point, but higher is better.

80 m 3/4 wave LLV - This is a vertically polarized Phased array. The left Vertical wire is 180 degrees out of phase

80m L Antenna. RSBEV's - Reduced Size Broad Elevation Verticals

The Bazooka vertical  ^pop - This is a deviation from the wonderful antenna the Double Bazooka.

Build a bazooka dipole  ^pop - Build Your Own Bazooka Dipole: A VHF/UHF vertical dipole made from coax

Copper Cactus J-pole VHF antenna - Copper cactus dual-band super J-pole antenna project for 2 meters and 70 cm

Multiband vertical antenna - An article with pictures on a 80-10 mt vertical antenna with an Unbalanced-Unbalanced balun in italian

70cm Quadruple Quad - A suitable high gain 70cms antenna for SOTA operation by Richard Price GW0VMW

6m Half wave vertical - This antenna is very useful for receiving or scanning purposes, but you can use it for transmitting, too. It is 2,94m long and has a pi-configuration (Collins-Filter) for the matching.

GB3LO Lowestoft amateur radio repeaters - GB3LO Live Lowestoft and the East Coasts Amateur Television Repeater on 23cm 1316.00 MHz

ZeroFive Antennas - Vertical antennas for all HF bands, expecially 80 40 20 meters bands

NEC4WIN - NEC4WIN is a 32 bits commercial antenna simulation software based on MININEC3 developed by the Naval Ocean Systems Center in the 70s and 80s. It runs under Windows and can be used to simulate, analyze and optimize wire antennas, beams, verticals, etc. NEC4WIN has limitations. They are the same as Mininec3 on which the engine is based.

GI-7 B/GI-70 BT - The GI-7B (GI-70B) microwave triode

10 Ghz 1W Power Amplifier - 1 watt amplifier for 10 ghz made from surplus stuff

KD5FZX 23 CM GS-15B PA - GS23B / 4CX1600U 1KW Power amplifier for 23cm

Build a simple rechargeable CMOS Battery - An inexpensive rechargeable CMOS battery system that can be built from readily available parts.

9cm transverter - Designed for portable operation, it runs on 12v, and has an OCXO-based local oscillator.