coverage map

Homebrew traps - Traps can be one way round multiband coverage without the need of an atu. Learn how to homebrew your own traps

G4FON Magnetic Loop Antenna - 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

LogView - LogView is a FREE post-contest log-visualisation tool, for analysing contest performance. It plots the QSOs in a Cabrillo-format contest-log on to one of 8 different maps by finding the position of each QSO from an online database of about 970,000 W/VE callsigns.

Map of US 10 m beacons - Map of US states beacons oprating in 10 meters band

North American Beacons Map - North american 50 Mhz beacon map by K9MU

RadioCQ.com DX WebCluster - RadioCQ DX WebCluster mainly in spanish offer a graphical web cluster with flags, band selector, locator using google maps, chat and forum.

VHFDX.EU Cluster - VHFDX.EU - DXCluster backbone of MMMonVHF Web DXCluster, DXCluster Map, DXCluster Mobile, ON4KST chat Review, N0UK chat review, Daily ES spots

K2JJI Tryon Amateur Radio Club - Listen to the K2JJI repeater (146.70- PL 100.00 Hz) located on Fulton Co. NY. Coverage of grids near and around FN23/FN22.

NS6T's Azimuthal Map  ^updated - This site provides free azimuthal maps for almost anywhere on the globe. Create your own azimuthal map for your location. You can customize the map in a variety of ways by changing the options in the web form

ITU Map - Official ITU-R zone map at ITU Broadcasting services division

CQ Zones WW Map - Large - A large CQ Zones WW Map, in a 3111x2251 Pixel format suitable for printing pourposes

Ham Radio Grid Square Locator Map - Amateur Radio Ham Radio Maidenhead Grid Square Locator Map, by Address, Call sign or Grid Square, using google maps

California Maps - APRS Central California maps. Here are the APRS maps you should have.

ARRL Grid Locator Map for N.America  ^updated - North America Grid Locator map by ARRL

VHF Propagation Maps - Experimental maps that show real-time VHF propagation derived from analyzing data gathered from the APRS-IS network.

Arizona Repeaters Directory - Arizona repeaters sorted by counties, with location maps! Also includes Robet's List of verified Arizona scanner frequencies.

IC-7000 Expand TX - MARS CAP Modification to extend transmit frequency coveragefor the IC-7000

Modifications for the Kenwood TS-50 - Collection of TS-50 mods, LCD display dark, TS50<-->AT50 communication, TS-50 Power Mod for QRP, TX Coverage mod TS-50, CAT control for TS-50S

TAHO.EXE a source for UI-View maps - A cool add-on to UI-View, that enables to use the free datas of OpenStreetmap to generate APRS maps for UI-View in a few mouse clicks.

Radio Works - RadioWORKS is a tool for calculating various items related to radio waves and radio wave propagation. Get detailed information about a frequency, such as the free-space wavelength, band classification, propagation methods, common transmitter configurations, etc. Calculate antenna lengths or frequencies. View a 3D coverage map by providing a latitude / longitude coordinate and transmitter height.

GcmWin for Linux - Great Circle Map for Linux, available for Debian, freeware by SM3GSJ

VOAProp - VOAProp shows you typical propagation for a given hour of the day during a given month. The propagation is shown as expected signal strengths to be received from different parts of the world, plotted on a world map. Windows freeware by G4ILO

Fatpigdog's Real Time FFT Audio Spectrum Analyzer - Fatpigdog's Real Time FFT Audio Spectrum Analyzer. User interface has the look and Feel of an HP Spectrum Analyzer. But, in addition to the regular Spectrum Plot, it also produces detailed Waterfall plots. The user can optimize the color map, chosing from a wide assortment of color themes. This analyzer supports multiple traces, trace arithmetic and normalization.

HERALD P2P radio link design - Sw tool to design point-to-point multi-hop microwave links and networks, 400MHz to 58 GHz. Site/Hop Configuration; Customized Antenna & Radio Equipment Libraries; Link Budget; Path Profile Analysis ,clearance, reflections; import path profiles from SRTM maps, free download.

75 meter AM Transceiver - Frequency coverage: 3.75 MHz to 4.00 MH transceiver for 75 MHz band