Local QRM reduction
- It is not always possible to tackle the sources of local QRM. What remains is trying to reduce the noise level by means of your antenna system.
Learn how to reduce QRM and understand how cancell noises by PA0SIM
ARROW - Ann Arbor's Ham Radio Club
- ARROW is Ann Arbor's ham radio club. We operate repeaters on 2m, 220, and 440, as well as conduct ham radio classes, license examinations, and a variety of other activities.
4NEC2 antenna modelerpop
- 4nec2 is a completely free Nec2, Nec4 and windows based tool for creating, viewing, optimizing and checking 2D and 3D style antenna geometry structures and generate, display and/or compare near/far-field radiation patterns for both the starting and experienced antenna modeler.
Can be interfaced to HFwin32 propagation prediction software.