Analysis and prediction tools
- Modern Methods for Calculating Ground-Wave Field Strength Over A Smooth Spherical Earth; Robert P. Eckert
- HF propagation analysis & prediction programs
- Proplab-Pro
- Voacap
- Hamwaves.com – ON4AA
NVIS – Near Vertical Incidence Skywave
- Radio communication via NVIS; Ben A. Witvliet en Rosa Ma Alsina-Pagès
Groundwave
- Handbook on Groundwave propagation; Radiocommunication Bureau
Doppler shift
![](https://www.rfseminar.nl/cms/wp-content/uploads/2019/01/doppler.jpg)
- Calculating Ionospheric Doppler shifts; Lynn, K. J.W.
- Dopplergrams; Peter Martinez G3PLX
- SBSpectrum; M Greenman ZL1BPU
- Intro HF propagation and Ionosphere; M Greenman ZL1BPU
80 meter
- Live stream van het 3.5555 MHz baken door Hans PA0EHG
- Propagatie metingen in de 80m band; door Hans PA0EHG
- Metingen aan het 3.555 MHz test signaal; door Koos PA0KDF
60 meter
![](https://www.rfseminar.nl/cms/wp-content/uploads/2021/06/Henk-PA2S-propagatie-op-60-meter.png)
- Propagatie op 60 meter – tussen schemer en dageraad door Henk PA2S