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Get your first HAM Radio FCC license ( Technician Class ); all privileges above 50 MHz ( VHF & UHF) ----- Get your second HAM Radio FCC license ( General Class ); All operating modes & majority of the amateur spectrum below 30 MHz ( HF ) ----- Get your third and final HAM Radio FCC license ( Extra Class ); ALL privileges ( frequencies & modes ) granted to Amateur Radio Operators.                                   Visit VE3EN's SolarHam.net for complete Solar Data of interest to HAMS.


K0DPW's TECH INFO

ONLINE CALCULATORS
K7TJO
WaveLength & Element
Calculator
Circuit Board Trace
IPC 2221
Calculator
Solenoid Coil Electromagnetic
Force Calculator
Capacitor Energy (E) and RC Time Constant
Calculator


TIME: GMT-UTC-ZULU


GENERAL PHYSICS and ELECTRONICS

ElectroMagnetic
Spectrum 		Engineering Drawing
Abbreviations & Symbols 		SWR
Standing Wave Ratio 		Unit
Converter
Station Grounding
and Bonding 		Simple Circuits
Electromagnetism
Maxwell's Laws / Equations 		Inductors Resistors Capacitors


PROPAGATION

Ionosphere
KC2G Realtime Propagation
VOACAP Propagation Prediction




N0NBH
Understanding
Propagation

Real time Day/Night image below courtesy of FOURMILAB


Earth Day-Night Map



Solar Data & Images below courtesy of N0NBH



Solar-Terrestrial Images and Data on this site are courtesy of:

Data for VHF Conditions is from DXrobot - Gouda , Make More Miles on VHF , and Andy (G7IZU) (all used with permission).

Data for Solar Flare Probability is from University of Bradford (used with permission).

Data for solar data and conditions from NOAA SWPC , solar flux from Space WX Canada , solar images from NASA , and world map/globes/solar system from FOURMILAB (credit given).


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DPWCO-K0DPW LOGO
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