call sign map

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

Helix Calc - Helix antenna calculator, to design and make helix antenna plans

N3KNZ Loop designs - Inspired by his first magnetic loop featured on this site, John takes loop building by the horns, and comes up with some excellent designs

Build your first dipole - The dipole antenna is an easily designed and made antenna usually used on HF, although can be (and sometimes is) made for VHF and UHF antennas, and in varying forms is also used as part of different designs of antennas – i.e. as the driven element for directional antennas.

Quarter Wave with radials - VHF quarter wave antenna mainly for scanner usage, The quarter wave antenna is an easily designed and constructed antenna for whatever frequency you want, although with the following design, you may to limit it to the VHF and UHF bands due to the physical size.

UCXLog - Log and Contest Program, Windows based, network capability, CW via COM/LPT, SSB/RTTY via soundcard, trcvr-Steuerung (2TX for SO2R etc.), DX-cluster via packet, internet or telnet, statistics(DXCC, IOTA, locators...), log import/export, QSL card handling(printing tool), grey land map etc. etc. and freeware!

SSA - Non-Directional Beacon - Airport Locator Beacon, The NDB-SS05 is a complete Dual Non-Directional Navigational Beacon system built to ICAO Annex 10 requirements. It is designed for continuous duty, outdoors operation, easy maintenance and is supported by a full complement of accessories and spare parts.

Live spots from DXlite - Live dx spots using a world map and google map interface by 5B5WN

Pacific Seafarers Net - The Pacific Seafarer's Net operates from 02:30Z to 04:00Z, 7 days a week, 365 days a year on 14.313MHz and sometimes on 14.300MHz. Between 02:30Z and 03:24Z we perform general traffic handling, and then at 03:25Z the rollcall portion of the Pacific Seafarer's net begins.

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.

Otto Engineering - OTTO Communications designs and manufactures audio accessories for two-way radios used in public safety, police, fire, retail, hospitality manufacturing and other markets.

Eventide Inc. - extensive line of digital voice logging recorders, instant recall recorders, and accessories for use by communications and broadcast professionals

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

CES Wireless Technologies - CES Wireless Technologies manufacturer of Mobile information Systems including Dispatch and Mapping Software, GPS, AVL, Mobile Data Display Terminals, ANI, CTCSS, and Microphones

Wholesale Solar - Solar panels, solar and wind home power systems, pre-wired power panels. Wholesale prices for everybody. Free solar design.

Split Operations - When and How - When do you need to go to a split operation ? When the people you are giving reports to are not answering, or when you are not getting your report from the station you are working because of other stations who are continuously calling.

CQ zone map - QRZ Israel HAM radio portal

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.

USCG Navigation Center DGPS - Differential Global Positioning Service (DGPS) is a land-based augmentation system that receives and processes signals from orbiting GPS satellites, calculates corrections from known positions and broadcasts these corrections via a Medium Frequency (MF) Transmitter to DGPS users in the Broadcast Site’s coverage area.

CES Product Manuals - CES Wireless Technologies is a world leader in the design, manufacture and implementation of Wireless Signalling products - Including GPS, AVL, MDT's, Mobile Data Terminals, CTCSS, and Microphones

Natural radio signals - Radio signals of natural origin

LZ1YE Print service - Produce QSL & post cards, stickers, ID cards, calendars, certificates, awards, membership applications, log and call-books, rubber stamps,T-shirts, brochures, advertising materials.

Sandys CB Shoppe - Sandy's CB Shoppe. We sell CB's, VHF radios, and CB accessories, service and install CB / VHF radios, Affordable custom electronics design

Band Master - Band Master is a program for Radio Amateurs that downloads DX spots and displays them in different ways, including a graphical band map. It can be used either as a stand alone application or as part of a logging or contesting software via the COM/OLE interface. Rig control, country/province resolution, azimuth/distance calculator and online QRZ lookup are built-in, propagation prediction and geographical mapping are available through integration with HamCap and DX Atlas respectively.

mvLearning - Educational software for Palm Pilot and Windows that quickly teaches Signal Flags and Morse Code using mnemonic techniques and a well designed flashcard program