dual band collinear

Multiband delta loop by DL2HCB  ^pop - A 10-20 meters coverage delta loop antenna by DL2HCB

Dipole/Yagi Antenna - DX dual dipoles by nb6z for 20 and 15 meters

VHF TX Loop - VHF Antenna in a lunchbox. The magnetic loop on two metres band Lloyd Butler VK5BR

9 element yagi for 2 meters band  ^pop - A simple design of a 9 elem. yagi antenna for 2 meters band

50MHz J-Pole Antenna  ^pop - Need a general purpose antenna on the magic band? The J-Pole is an easy-to-build and inexpensive device that provides an omni-directional vertically polarised antenna without the need for a ground plane. In technical terms, it is an end fed vertical 1/2 wave which is fed via a 1/4 wave matching stub.

A Vertically Polarized Delta Loop for 40m  ^pop - Practical contruction and designing notes of a delta loop for the 40 meters band

Super J-Pole plans - The super J-pole is a regular J-pole antenna with a 1/2 wave element mounted above with a 1/2 wave phasing harness connecting the element to the bottom part of the J-pole. The antenna can be built for any band, but I built mine for 2 meters

A J-Pole for 2-meters and 70-cm  ^pop - An Easy Dual-Band VHF/UHF Antenna from QST September 1994

A Small Wire Loop Antennas for 160 meters  ^pop - Low noise, receive only coax loop antennas for 160 - 10 meters HF bands

A Portable Multi-Band Magnetic Loop Antenna  ^pop - Described here is a simple multi-band magnetic loop antenna designed for 20, 30 and 40 metres, but by changing the overall length of the wire coverage of other bands is feasible

OH7SV Matti Hohtola Ham Projects  ^pop - The most modern QRP transceiver in 2004,Direct Conversion HF Transceiver with DDS LO, 50 ohm to 200 ohm HF wide band transformers, Wilkinson splitter for RX measurements, Windom baluns 2001/2004, Ferrite rod antenna for 80 meter, Magnetic Loop Antenna for 80 m, Mascot Switched PSU 9320 modification to 8A peak current, 150W MOSFET linear amplifier for 80m, 80 m HF SSB/CW Transceiver

Dxhunters.com - DX information portal for 11 meters band

4S7OF Ham Radio Pages - Information about 4S7OF operations and ham radio in Sri Lanka

DeltaKilo Yahoo Group - This is a group for CBers, Sidebanders, Amateurs and Freebanders. Items to be discussed are CB, Skip, Skeds, DX communications, SSB, export radios, Radio equipment, mods, ham radio, repairs, electronics, CW, PSK31, RTTY, digital, and different radio shops.

PROCOM Antennas - Manufacturer of communications antennas, bandpass filters, RF combiners, receiver multicouplers, diplexers, duplexers, RF connectors, RF circulators, RF isolators, RF couplers and SWR meters

QRP LABS - The QRPLABS series of single band QRP CW tranceiver kits are high performance CW tranceivers with easy operating features, small size and light weight.

Bicycling J-Pole 2-meter antenna - An antenna for the 2-meter band, made by sliding coax insulator braid over a glass fiber bicycle safety flag pole

Timewave manuals - Timewave Documents for User Download, PK-900 Multimode Data Controller, PK-232 Multimode Data Controller, DSP-232 Multimode Data Controller, DSP-9 Noise Reduction and Bandpass Filter, Audio Signal Processor and Noise Reduction Filter, Audio Signal Processor and Noise Reduction Filter for Yaesu SP-5 and SP-6 Speakers

FT-1000MP Band Select Output and Amp Keying Interface - FT-1000MP Automatic Band Selection Interface Bob Wolbert, K6XX

Shopsolo.com cb radios - Small family run business based at London Heathrow and Poole which covers UK CB radio enthusiast Stock a range of CB radios and CB radio aerials and multiband radios and CB mounts and accessories.

Icom interface box - interface box for Icom rigs that includes a band output port and a CI-V­to­computer serial interface

430MHz ATV transmitter - ATV transmitter on 430MHz band used with special transmitting tube named 5894 for final stage. Run about 10W average for TV signal and 20W at synchronous peak. Final stage control gird modulation works well for NTSC color video signal and good at audio as well.

23cm dual stage preamp - A modification / combination of the DJ9 BV & I5TDJ 144 MHz preamp designs

Motorola Micor Highband Preamp - Make 150.8 - 174 Mcs. RF Preamp properly tune the Two Meter ham band.

WD5HOH Regenerative(Regen) Receiver - This web page describes a small, single tuned circuit regenerative receiver primarily for daylight reception in the 16, 19, 22 and 25 meter international shortwave broadcast bands.