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Table of wavelengths per band


The tables below give for each amateur band and a few other frequencies the full wavelength (300 / f), the half-wave, and the quarter-wavelength
post 20 Dec 2021


Antennas theory Links

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Largo de los Cables Coaxiles
We can calculate the length of the coaxial cable that we are going to use. It is long, it is determined in a quarter wave, this is due to the fact that the impedance of the antenna must be adjusted to the cable to be used and the radio

Measurements on Balanced Lines
Over the years, distortion in amplifiers and other electronic devices has been measured by many different techniques

Meglio FSK o AFSK
Nell'ambito delle trasmissioni RTTY con le schede audio, e' possibile trasmettere in modalita' FSK o AFSK

Noise Bridge
A noise bridge makes broadband noise and feeds it through a bridge circuit to a receiver

Passive Antennas
The shortwave frequencies are generally considered to be the portion of the radio spectrum between 1.7 MHz and 30 MHz

10 m| 12 m| 15 m|
17 m 20 m| 2 m|
23 cm| 30 m| 40 m
6 m| 70 cm| 60 m| 80 m| 160 m| 136 khz
Bazooka
Beverage
Cb Antenna
Collinear
Cobweb
Delta Loop
Eh
End_fed antenna
EWE Antenna
Fan Dipole
Folded Dipole
G5RV
Halo
Helix
Hentenna
Hidden Antenna
Hf mobile
HexBeam
Isotron
Jpole
Loop
Log Periodic
Low Band Receiving
Moxon
Multiband
Morgain
Ocf Fed Dipole
Quad
Slot
Spiral antenna
Vertical
Vhf-Uhf-Shf
Wifi & Ghz
Windom
Wire
Yagi
Ant.Masts and mounts
Ant.Transmatch
Antenna_Analysis
Antenna Receiving
Antennas Shortwave
Antenna Switch
Balun Calculator Antenna
Contest Logging Software
Components-kit
Duplex
Dummy load
Feed Lines
Fiberglass tubing
Phased Array
Projects Homebrew
Software Antenna
Software Defined Radio
Swr Meter System of grounding
Theory Traps Tower
Sstv Software
Logging Software
Digital_Mode
HF_radio_modifications
Interface Radio
Memory_keyers
Microphone setting
PC sound Radio Interface
Pocket Pc Preaplifiers
Radio control
RF attenuator
Radio programming
Radio Transceivers
RF Filter
Spectrum_Analyzer
Tracking satellite
Voice Messages & Keyer