The T-index chart: This
image shows the DIFFERENCE between current
OBSERVED HOURLY conditions and PREDICTED MONTHLY conditions for the
Australian region. The colours blue, green, yellow, red, correspond to
"enhanced", "normal", "mildly depressed" and "depressed" conditions
respectively. Depressions and enhancements are with respect to the IPS
predicted monthly T index for that month.
The real time Ionosonde.
Sorry I can't embed this active picture here. Go to the link page and
select "Hobart" to
see the layer conditions and find out the vertical
Adjusting the "Amp Threshold" level up will mask out weaker reflections.
trends See the MUF of
the layers trended
line indicates monthly predicted foF2. White dashed line
indicates monthly predicted foF2 +/- 30%.
Red solid line indicates hourly observed (autoscaled) foF2 from that
station. Yellow solid line indicates sporadic E (foEs).
Blue squares indicates hourly autoscaled foF1 from that station.
Hobart HAP chart
Shows the "real time" best frequency to use to a nearby
destination from Hobart.
See the predictions of what frequencies go where. Select "Amateur"
instead of "Arbitary". Click on your location so that the
word "BASE" appears. Then click beyond the area you are
interested in and drag the mouse diagonally across the area to select
an area. Then click on the "Do Prediction" button. A new page opens on
your browser with links to 4 images to cover the
whole day. A similar series of maps like the picture above.
What the trends are: Black line is solar flux, 60
as low as I have seen it at solar
minimum. A good sunspot cycle can see
160 Blue line is planetary A
good measure of how disturbed the ionosphere is. Below 10
propagation conditions. Red Line is sunspot numbers.