2 meter digital

2 meter digital

Antennas : 40M : 40 meter Dipole Antennas

• Ham radio 40-meter dipole: your first antenna - How to home made a custom home made dipole antenna for the 40 meters band, just 66 feet long. Enjoy the band openings during the evening and play morse code or digital modes on this magic band.
  [ Hits: 198 | Votes: 0 | Rating: 0 ]

• EC2APU multiband wire antenna - Wire antenna for 10-15-20-40-80 meters band, with many drawings and description in spanish
  [ Hits: 6598 | Votes: 6 | Rating: 5.17 ]

• Deree Electrical - Specialized in manufacturing measurement instruments for more than 25 years. Clamp meter, digital multimeter, analog panel meter, thermometer, and led panel meter
  [ Hits: 486 | Votes: 0 | Rating: 0 ]

• Aircraft Scatter on 6 Meter FT8 - Aircraft scatter is easily seen on the spectrogram window of digital communication apps, when you know what to look for. Examples of real aircraft scatter usage on six meters band
  [ Hits: 180 | Votes: 2 | Rating: 9.5 ]

• Digital SSTV images - HAMDRM pictures received on 80 meters band at 3733 KHz
  [ Hits: 292 | Votes: 2 | Rating: 10 ]

• VHF/UHF 2 meter PSK and digital Group - Looking for Hams that want to experiment on VHF/UHF PSK/digital modes
  [ Hits: 3804 | Votes: 19 | Rating: 6.27 ]

• Cobracom - Oscilloscope, Realtime spectrum analyzer, Impedance meter, RLC bridge and signal generator for Windows. Is a Windows application that converts your PC into a powerful dual-trace signal analyzer (oscilloscope, FFT etc...) . Uses your PC sound card as an Analog-to-Digital a Converter to digitize any input waveform and as Digital-to-analog Converter for the signal generator. True 24 bit adc/dac 48K/96k/192k sampes/sec.
  [ Hits: 21552 | Votes: 13 | Rating: 6.23 ]

• Spectrum Analyzer Real-time FFT - Eight-channel Audio Spectrum Analyzer is a set of Real-Time Multi-Channel Gauges for investigation of data accepted from any ADC you will want or 16-, 24- and 32-bit ADC of sound card. WDM drivers support. FFT Spectrum Analysis, OscilloScope, Frequency counter, AC/DC voltmeter, Signal-to-Noise Ratio, Signal-to-Noise and Distortion, Spurious-Free Dynamic Range, Effective Number Of Bits, Total Harmonic Distortion, Inter-Modulation Distortion, Phase Shift. Special modes of dual-channel FFT spectral analysis: Separate channels spectra, Spectra of digital sum, difference, product of two signals, Spectrum of digital product of original signal and its fundamental, Spectrum of Real and Complex Transfer Function, Cross Spectrum. Standart weighing of spectra according IEC and CCIR. Oscilloscope modes (for dual-channel ADC) are: original signals, sum, difference, dependence of one channel on another, amplitude distribution of input signals.
  [ Hits: 11316 | Votes: 9 | Rating: 7.77 ]

• Digital SWR and Power Meter - This module is an analogue and digital SWR and power meter/monitor, designed to replace analogue SWR and power metering in an AM Transmitter project.
  [ Hits: 267 | Votes: 0 | Rating: 0 ]

• OZ2CPU digital wattmeter - Plans and hex code for an RF wattmeter based on an Analog Devices AD8307 log amplifier.
  [ Hits: 1323 | Votes: 7 | Rating: 4.85 ]

• Digital HF Antenna Analyser Project - This antenna analyzer measures complex impedance over the 1.6 - 33 MHz HF spectrum
  [ Hits: 1385 | Votes: 0 | Rating: 0 ]