alico dual band dr 572

Slim-Jim 2m Antenna  ^pop - Drawing and assembling instruciton for Slim-Jim 2m Antenna

Magnetic Loop Antenna Experiments - Building a magnetic loop antenna feels more like a small plumbing project as the principle building materials consists of copper water pipe and fittings that must be soldered ("sweated") together. Full details drawing and details here.

EI7BA's Amateur Radio Pages - Multi Band Quad,Cushcraft R5, R7, R7000, repair and maintenance, Remote Antenna Switching, Hexagonal Beam, Automatic Band Decoder, Low Band Verticals, Crank-up Tiltover Tower etc

I5TGC Antennas - Reduced size longwave antennas by Cesare Tagliabue I5TGC and his experience on 136 kHz band.

KQ6XA Antennas and towers  ^pop - Interesting antennas pojects such as Broadband/Multiband Dipole and Tower radiating antennas for 80m and 160m, HF antenna for the micro-light backpacking enthusiast

NJ Antique Radio Club HomePage - NJ Antique Radio Club

The transistor radio directory - Transistor and its history and lot of related infos

Valve Data Sheets - This web page has full data sheets for a number of commonly used valves. Most are Eimac and include the 2C39A, 3-500Z, 3-1000Z, 3CX1500A7, 3CPX5000A7, 3CX5000A7, YC156, 3CX15000B7, 4CX250B, 4CX250A, 4CX1000A, 4CX1500B, 4CX10000J etc. These are not avialable on Eimac's web site in full - only brief notes.

ARRL DX Century Club Program - The ARRL DXCC Challenge is a new program for all band DXers

Italian VHF & up BandPlan - Italian vhf and up frequency allocations mantained by I5JRR

IARU HF band plan - IARU band plan comparagraph

Region 1 Bandplan - Bandplans for region 1 in pdf format by DARC

SV5BYR Mike - Six meters (6m) operation and satellites and two meters band

11 Meter Int. DXers WebRing - "This Webring is exclusively for sites dedicated to international SSB DXing on the 11 meter band. Vendors dealing in sales and service of ""exports"" and related 11 meter equipment also welcome."

Com on Bak - A retractable holder that rotates to make using a CB, FRS & Cell phone, easier without the worry of dropping or losing it.

Chameleon HF Multiband Antenna - The Chameleon V1 HF Multiband Antenna is a mobile antenna that can also be used as portable. Lightweight antenna system with 10 BANDS capability 6m, 10m, 12m, 15m, 17m, 20m, 30m, 40m, 60m & 80m.

Bushcomm Antennas - Dipole, broardband antennas s/s, portables, manufacturer based in Perth, Australia.

SuperPass Company Inc. - Antenna manufactuer, Panel antennas, sector panel antennas, high gain for ISM, MMDS, PCS, GSM, CDMA, TDMA, 400MHz, 900MHz,1.9GHz, 2.4GHz, 2.7GHz, 3.5GHz,5.8GHz. Broadband wireless applications for ISP,ASP.

E. H. Armstrong - Radio's premier inventor, Edwin H. Armstrong was responsible for the Regenerative Circuit (1912), the Superheterodyne Circuit (1918), the Superregenerative Circuit (1922) and the complete FM System (1933)

Icom IC-706 mods - Enables out-of-band transmit for 1.6 MHz to 54 MHz, Improved VHF recieve mod, other band expansions

Yagi-Uda - Design and optimize Yagi antennas. Ol GW Basic program for dos.

Finite difference program - This software is able to calculate the properties of odd shaped transmission lines. Particularly good in valve amplifier design, for aiding the design of transmission line resonators.

MUBAY - The multiuser/multitasking BayCom Packet Terminal Driver program is a general purpose communications package for communicating with a BayCom modem attached to your IBM-PC/clone in conjunction with the TFPCX Baycom driver software. The software will also work with a normal TNC if it supports KISS mode, such as the Kantronics range.

Commander  ^{updated  pop} - A free application that controls up to 4 Alinco, Elecraft, FlexRadio, Icom, JST, Kachina, Kenwood, TenTec, or Yaesu transceivers, switching between them manually or automatically based on frequency, and displaying frequency-dependent settings for devices like tuners and amplifiers; includes a bandspread, and supports transverters, frequency and mode tracking by an independent transceiver or receiver, SDR-based panadaptors, and SO2R switching with microHam or OTRSP-compliant devices.

Push pull 2m amplifier - This shows an unsuccesful attempt to build a push pull 2 m amplifier, with the tubes in grounded screen.