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119 links

Speaker Wire Delta Loop Antenna for 20M - WB3GCK
The antenna I built was inspired by a portable delta loop designed by Doug DeMaw ...

[ Hits: 128 | Votes: 0 | Rating: 0 ]

TriBand Moxon Antenna for 6m 4m 2m - Bryan Page
A PDF presentation of a home made moxon antenna for 50 MHz 70 MHz and ...

[ Hits: 1367 | Votes: 7 | Rating: 7.11 ]

Cross-Yagi 10el Antenna for 70cm - UR3QQJ
10 Elements Cross Yagi Antenna for 433 MHz The base of the 10el antenna is ...

[ Hits: 177 | Votes: 6 | Rating: 8.83 ]

Slim Jim Antenna Calculator by M0NWK - M0NWK
Easy to use online Slim Jim antenna calculator Input your frequency to automatically calculate the ...

[ Hits: 189 | Votes: 4 | Rating: 8.5 ]

Interactive Ham Radio Locator Map - K7FRY
This grid locator map uses Google map apis to find your QTH locator by simply ...

[ Hits: 1414 | Votes: 7 | Rating: 7.28 ]
Interactive Maidenhead Grid Square Locator Map - Karhu Koti ^updated
Amateur Radio Ham Radio Maidenhead Grid Square Locator Map online This map allow just a ...

[ Hits: 2682 | Votes: 8 | Rating: 7.12 ]
Maidenhead square Calculator - basictables
You can use this tool to calculate the maidenhead square by entering the longitude and ...

[ Hits: 146 | Votes: 1 | Rating: 8 ]

Seiuchy On-line morse code trainer - hb9fxw
Seiuchy is a web based morse code trainer that can be used even offline once ...

[ Hits: 245 | Votes: 2 | Rating: 9.5 ]
Recognition of CW signs at different listening levels and frequencies - PubMed
The recognition of telegraphy masked by noise at 40 and 80 signs min telegraphy speed ...

[ Hits: 81 | Votes: 1 | Rating: 7 ]

E-Sporadic Forecast - propquest - propquest
The map display allows you to select by locator or clicking on the map where ...

[ Hits: 128 | Votes: 0 | Rating: 0 ]

AirScout - DL2ALF
Software for Aircraft Scatter Prediction Extend your capabilities on VHF UHF SHF bands even when ...

[ Hits: 299 | Votes: 2 | Rating: 5.5 ]
AircraftScatterSharp - W3SZ
Aircraft Scatter Sharp is a windows application to calculate and assist airscatter operations Real time ...

[ Hits: 146 | Votes: 0 | Rating: 0 ]

RF Inductor Calculator - vk3cpu
This air core solenoid style RF inductor calculator calculates the inductance wire size number of ...

[ Hits: 101 | Votes: 3 | Rating: 7 ]

How to calculate Bearing and great-circle distance between two points - Chris Veness
Calculate distance bearing and more between Latitude Longitude points This page presents a variety of ...

[ Hits: 198 | Votes: 3 | Rating: 3.33 ]

Grid Calculator - UU0JC
Grid Calculator allows you to calculate either a grid square locator or the latitude and ...

[ Hits: 311 | Votes: 0 | Rating: 0 ]
GridLocW Locator converter - VK4ADC
GridLocW is a free Lat Long to Maidenhead converter for Windows with optional GPS support ...

[ Hits: 212 | Votes: 0 | Rating: 0 ]

LIVE MUF V7 SOFTWARE - G7RAU ^new
Live MUF is a DXC cluster telnet client which attempts to resolve propagation modes from ...

[ Hits: 26 | Votes: 0 | Rating: 0 ]

RF Impedance Matching Calculator - Analog Devices
Calculates the network to match a line to a specific complex load This online tool ...

[ Hits: 195 | Votes: 1 | Rating: 10 ]

Remote Power and SWR Meter Project - DK1MI
Remotely monitor the output power and SWR of your station via a web browser WT32 ...

[ Hits: 102 | Votes: 0 | Rating: 0 ]