AJ4CO Observatory - Station Description

Some details of the radio observatory
  The Electromagnetic Spectrum

Because every radio astronomy web site must have one of these
     
The HF Spectrogram

An intro to the bumps, blips, and blobs of upper HF band spectrograms
  Intro to Amateur Radio Astronomy

A very brief presentation given at the Alachua Astronomy Club meeting in September, 2016
     
The DPS and TFD Array

Details of the receiver and antenna array
  The TWB

Details of the tunable wideband receiver
     
The Galactic Background in the Upper HF Band

How hot do other people think it is?
  The Quiet Day Curve

How hot does AJ4CO think it is?
     
Things That Go Hump in the Night

A fun experiment
  Antenna Temperature Calibration Equations for Radio-SkyPipe

One way to set up a well-calibrated system
     
Cassiopeia A Scintillation Observed by Radio Jove Participants

Putting ionospheric dynamics to work
  Documentation

If you do it, write it down already
     
Documentation

If you do it, write it down already
  Quiet Sun 20 MHz Antenna Temperature Analysis

How hot is the Sun at 20 MHz?
     
Faraday Bands for Fun and Profit

What they are and why they happen
  Implementation of Median Smoothing in Radio-SkyPipe II

A simple way to do median smoothing in RSP
     
A Different Kind of Solar Power

Solar radio burst output in terms of atomic bomb yield
  Sweepers

What are they?
     
The FFT

Details of the fast Fourier transform
  Reber's Cosmology

Problems with Grote Reber's cosmology
     
Cosmic Microwave Background Radiation Cheat Sheet

CMBR theory versus reality
  HF Galactic Background Cheat Sheet

The galactic background synchrotron radiation antenna temperature in the HF band
     
Cable Sweep Cheat Sheet

How long is that coax cable, anyway?