![]() |
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 |
|
![]() |
The FFT Details of the fast Fourier transform |
![]() |
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? |
|
![]() |
Cable Sweep Cheat Sheet How long is that coax cable, anyway? |
![]() |
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 |
|
![]() |
UFRO 5722 Noise Source User's Manual How to make it go |
![]() |
AJ4CO Automatic Calibrator The tedious details |
|
![]() |
Noise Generator Measurement How to measure the ouput of a noise generator |
![]() |
TFD Antenna Efficiency Analysis Measurement of antenna efficiency |