multi mode

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

Helical Antenna Calculator - This is my simple implementation of the ARRL Antenna Book design equations for the axial-mode helical antenna.

SWL antenna distribution system - A methodology for connecting multiple LF/MF/HF receivers to a single antenna via readily available and inexpensive 75-ohm TV cable. Custom made baluns and splitters provide impedance matching and prevent interaction between receivers.

Grundig Satellit - This site has listings of all grundig satellit models. You can find pictures,specs,used prices,modifications,upgrades,etc.

AR88 page - This model was introduced in the early 40's to replace or augment the HRO in applications demanding a more onerous duty than basic operational point-to-point communications such as intercepting coded axis radio messages during WWII.

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

BB&B Technical Amateur Repairs - Amateur Radio Repair resource since 1982. We repair all makes and models of Amateur Radio equipment, vintage to late-model

TX RX Systems Inc - TX RX Systems Inc. manufactures signal boosters, rf antennas, transmitter combiners, cell enhancers, land mobile radios, duplexers, receiver multicouplers, bidirectional amplifiers, bda, rf amplifiers, rf filters, rf cavity filters, rf combiners, rf components, in building rf coverage, repeaters, repeater amplifiers, rf management equipment, rf systems, and rf solutions. TX RX Delivers Reliable Solutions.

Pipo Communications - The highest-quality and most reliable Dual-Tone Multi frequency encoders.

Communications Specialists Inc. - Manufacturers quality tone signaling, wildlife telemetry,avionics equipment,video transmision modems.

Rybakov antenna by IV3SBE - Multiband no traps vertical antenna 80-6M

Dawicom - Manufacture of microwave directional, omni directional, sector and multisector antennas with horizontal polarization for ISM band 2,4 GHz

Split Operations - When and How - An interesting guide on operating in split mode

About AMTOR - Amtor an overview, summary or tutorial about the basics of AmTOR

Weak Signal VHF by Tim Marek - K7XC - A complete guide to operating the weak signal modes on VHF/UHF/Microwaves. VHF Contesting honor role for the western states, rover, eme basics and vhf contesting.

KI8DU's CW Nets - Tips on cw operating mode

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

Techni-Tool! - Techni-Tool is a distributor of electronic production tools, oscilloscopes, multimeters, power supplies, cases, tool kits, cutters, wrenches, crimpers, solder desolder stations, BGA, microscopes, lamps, static control, workstations, chairs, torque screwdrivers, tweezers, dusters, chemicals.

VOA News - Voice of America Homepage - International news from the Voice of America (VOA), a multimedia broadcasting service in 44 languages from the United States.

Kuwait Multimedia Center - Mediumwave, satellite and shortwave schedules and programming information of broadcasts to all world regions in Arabic and English.

Scancorder - With Scancorder you can record and replay audio from your scanner using your computer soundcard. The audio is recorded digitally as a wave file, so that even digital modes can be re-processed or analysed later.

AFU Knoppix - The AFU Knoppix CD contains software for the operating modes of PSK31, RTTY, SSTV, FAX, APRS and packet radio. Additional applications for Sat tracking, logging, locator referencing and antenna computation are also included. The CD is targeted for radio enthusiasts, the Linux operating system and the applications on this CD are structured so that they can run from the CD without effecting the installed existing system software. *

TS9235 - Radio Management Software for the Radio ShackŪ PRO-92, PRO-93, PRO-2067, PRO-2053, PRO-95 and PRO-96 multi-system trunking scanners.

Icom 706MKIIG mod of internal fan on rx - Unlike the old Icom 706, the 706 MKIIG HF/VHF/UHF multi-mode ham radio transceiver do not keep its internal blower running all the time in receive mode.