The 75th Anniversary 12UT (11 January 2006) Ionograms

Compiled by Phil Wilkinson, IPS, Australia

Opening Comments

As Chris Davis' article explained, 12UT 11 January 2006 commemorated the recording of the first ionograms at Slough 75 years earlier. As a tribute to this well known, long data set of ionospheric records ionograms from around the world, recorded at 12UT, have been collected together. The sample represents many different regions of the world, as well as different ionosondes.

The ionograms have been arranged in increasing longitude (rather than zone time), moving eastwards from Greenwich.

Thanks to those who sent me their ionograms, or have their ionograms available on the Web, for their assistance in compiling this little tribute.

I know many more ionograms were recorded at 12UT on 11 January 2006, but they were not easily obtained from the Web. If you would like to add some ionograms to this page, please send them to me.

Location Ionogram
Roquetes, Spain

Latitude:40.8°
Longitude:0.3°

From:
http://dgs.obsebre.es

Roquetes, Spain
Dourbes, Belgium

Latitude:50.1°
Longitude:4.6°

From:
http://digisonde.oma.be

Dourbes
Rome, Italy

Latitude:41.9°
Longitude:12.52°

From:
Dr Bruno Zolesi
Istituto Nazionale di Geofisics e Vulcanologia, (INGV)
Rome, Italy

Rome
Rome, Italy

Latitude:41.9°
Longitude:12.52°

From:
Dr Bruno Zolesi
Istituto Nazionale di Geofisics e Vulcanologia, (INGV)
Rome, Italy

Rome
Rome, Italy (digisonde)

Latitude:41.9°
Longitude:12.52°

From:
Dr Bruno Zolesi
Istituto Nazionale di Geofisics e Vulcanologia, (INGV)
Rome, Italy

Rome
Gibilmanna, Italy

Latitude:38°
Longitude:14°

From:
Dr Bruno Zolesi
Istituto Nazionale di Geofisics e Vulcanologia, (INGV)
Rome, Italy

Gibilmanna
Gibilmanna, Italy

Latitude:38°
Longitude:14°

From:
Dr Bruno Zolesi
Istituto Nazionale di Geofisics e Vulcanologia, (INGV)
Rome, Italy

Gibilmanna
Pruhonice, Czech Republic

Latitude:50°
Longitude:14.6°

From:
Dr. Josef Boska
c/- DIDBase, DIDBase link

Pruhonice
Spitsbergen / Svalbard, Norway

Latitude:78.15°
Longitude:16.07°

From:
Dr Darren Wright
PPARC Advanced Research Fellow
Radio and Space Plasma Physics Group
Department of Physics & Astronomy
University of Leicester
University Road
Leicester, LE1 7RH, UK
http://ion.le.ac.uk/~dmw7
Most recent ionogram

Spitsbergen ionogram
San Vito, Italy

Latitude:40.6°
Longitude:17.8°

From:
Dr. Terry Bullett
c/- DIDBase, DIDBase link

San Vito ionogram
Lycksele, Sweden

Latitude:64.6°
Longitude:18.9°

From:
Maria Winnebäck
IRF, Sweden

Lycksele ionogram
Tromso, Norway (dynasonde)

Latitude:69.6°
Longitude:19°

From:
Dr Michael Rietveld
EISCAT Scientific Association
Heating Division
Ramfjordmoen
N-9027, Ramfjordmoen,
Norway

Tromso
Tromso, Norway (digisonde)

Latitude:69.6°
Longitude:19°

From:
Prof. Chris Hall
Tromsø Geophysical Observatory
University of Tromsø
N-9037 Tromsø
Norway

and
Prof Paul Cannon
QinetiQ
Bldg PB Rm 105/6
Malvern Technology Centre
St. Andrews Road, Malvern
Worcestershire, WR14 3PS
United Kingdom

Tromso
Louisvale, South Africa

Latitude:-28.5°
Longitude:21.2°

From:
Dr. Lee-Anne McKinnell
Space Physics Group
Hermanus Magnetic Observatory
and
Dept of Physics and Electronics
Rhodes University
P O Box 94
Grahamstown 6139

Louisvale
Athens, Greece

Latitude:38°
Longitude:23.5°

From:
Dr. Anna Belehaki
c/- DIDBase, DIDBase link

Athens ionogram
Grahamstown, South Africa

Latitude:-33.3°
Longitude:26.5°

From:
Dr. Lee-Anne McKinnell
Space Physics Group
Hermanus Magnetic Observatory
and
Dept of Physics and Electronics
Rhodes University
P O Box 94
Grahamstown 6139

Grahamstown
Sodankyla, Finland

Latitude:67.37°
Longitude: 26.63°

From:
Dr Esa Turunen
Head of the Aeronomy Unit
Sodankylä Geophysical Observatory
FIN-99600 Sodankylä, Finalnd
Most recent ionogram

Sodankyla ionogram
Mawson, Antarctica (Australia)

Latitude:-67.6°
Longitude:62.88°

From:
Phil Wilkinson

Mawson
Trivandrum, India

Latitude:8.5°
Longitude:77°

From:
Dr. Sudha Ravindran
Space Physics Laboratory
Vikram Sarabhai Space Centre
Trivandrum 695 022
Kerala, India

Mawson
New Delhi, India

Latitude:28.6°
Longitude:77.2°

From:
Dr. R. S. Dabas
Scientist-F & Deputy Director
Radio & Atmospheric Sciences Division,
National Physical Laboratory, New Delhi -110012.

New Delhi
Waltair, India

Latitude:28.6°
Longitude:77.2°

From:
Prof. P.V.S. Rama Rao
Dept of Physics, Andhra University,
Visakhapatnam - 530 003, INDIA.

Waltair
Parit Raja, Malaysia

Latitude:1.860°
Longitude:103.8°

From:
Prof Ir. Dr. Ahmad Faizal Mohd. Zain
Dean of Cenre for Graduate Studies and Head of WARAS Centre
Kolej Universiti Teknologi Tun Hussein Onn
Johor, Malaysia

Parit Raja ionogram
Irkutsk

Latitude:52.5°
Longitude:104°

From:
Konstantin Ratovsky

Irkutsk
Casey, Antarctica (Australia)

Latitude:-66.28°
Longitude:110.53°

From:
Phil Wilkinson, IPS.

Casey
Learmonth, Australia

Latitude:-21.9°
Longitude:114°

From:
Dr. Terry Bullett
c/- DIDBase, DIDBase link

Learmonth ionogram
Learmonth, Australia - alternative display

Latitude:-21.9°
Longitude:114°

From:
John Kennewell, IPS.

Learmonth, Australia
Learmonth, Australia - alternative display

Latitude:-21.9°
Longitude:114°

From:
John Kennewell, IPS.

Learmonth, Australia
Mundaring, Australia

Latitude:-31.98°
Longitude:116.22°

From:
Phil Wilkinson, IPS.

Mundaring
Osan AFB, Korea

Latitude:37.1°
Longitude:127°

From:
Dr. Terry Bullett
c/- DIDBase, DIDBase link

Osan AFB ionogram
Okinawa, Japan

Latitude:26.3°
Longitude:127.8°

From:
http://wdc.nict.go.jp/ISDJ/index-E.html

Okinawa
Yamagawa, Japan

Latitude:31.2°
Longitude:130.6°

From:
http://wdc.nict.go.jp/ISDJ/index-E.html

Yamagawa
Darwin, Australia

Latitude:-12.45°
Longitude:130.95°

From:
Phil Wilkinson, IPS

Darwin
Darwin, Australia

Latitude:-12.45°
Longitude:130.95°

From:
John Caruana, IPS
An example of a raw ionogram

Darwin
Darwin, Australia

Latitude:-12.45°
Longitude:130.95°

From:
John Caruana, IPS
An example of a clean ionogram

Darwin
Kokubunji, Japan

Latitude:35.7°
Longitude:139.5°

From:
http://wdc.nict.go.jp/ISDJ/index-E.html

kokubunji
Wakkanai, Japan

Latitude:45.4°
Longitude:141.7°

From:
http://wdc.nict.go.jp/ISDJ/index-E.html

Wakkanai
Townsville, Australia

Latitude:-19.63°
Longitude:146.85°

From:
Phil Wilkinson, IPS

Townsville
Townsville, Australia

Latitude:-19.63°
Longitude:146.85°

From:
John Caruana, IPS
Cleaned Townsville ionogram

Townsville ionogram
Brisbane, Australia

Latitude:-27.53 °
Longitude:152.92°

From:
Phil Wilkinson, IPS

Brisbane
Hobart, Australia

Latitude:-42.92°
Longitude:147.32°

From:
Phil Wilkinson, IPS

Hobart
Canberra, Australia

Latitude:-35.32°
Longitude:149°

From:
Phil Wilkinson, IPS

Canberra
Camden (Sydney), Australia

Latitude:-32.32°
Longitude:150.67°

From:
Bruce Paterson, IPS

Sydney (Camden)
Macquarie Island, Australia

Latitude:-54.5°
Longitude:159°

From:
Phil Wilkinson, IPS

Macquarie Island
Mario Zucchelli Station at Terra Nova Bay, Antarctica (Italy)

Latitude:-74.7°
Longitude:164.1°

From:
Giorgiana De Franceschi
Istituto Nazionale di Geofisics e Vulcanologia, (INGV)
Rome, Italy

Mario Zucchelli ionogram
Scott Base, Antarctica (New Zealand)

Latitude:-77.9°
Longitude:166.8°

From:
University of Canterbury,
Christchurch,
New Zealand

Scott Base ionogram
Kwajalein Island

Latitude:
Longitude:167.2°

From:
Dr. Terry Bullett
c/- DIDBase, DIDBase link

Kwajalein Island ionogram
Norfolk Island

Latitude:-29.03°
Longitude:167.97°

From:
Phil Wilkinson, IPS

Norfolk Island
Niue

Latitude:-19.07°
Longitude:190.07°

From:
Phil Wilkinson, IPS

Niue ionogram
Niue

Latitude:-19.07°
Longitude:190.07°

From:
John Caruana, IPS
An example of a raw ionogram

Niue ionogram (raw)
Niue

Latitude:-19.07°
Longitude:190.07°

From:
John Caruana, IPS
An example of a clean ionogram

Niue ionogram (clean)
King Salmon, Alaska, USA

Latitude:58.4°
Longitude:203.6°

From:
Dr. Terry Bullett
c/- DIDBase, DIDBase link

King Salmon ionogram
College, Alaska, USA

Latitude:64.9°
Longitude:212°

From:
Dr. Terry Bullett
c/- DIDBase, DIDBase link

College ionogram
Gakona, USA

Latitude:62.24°
Longitude:214.91°

From:
http://137.229.36.56/

Gakona
Point Arguello, California, USA

Latitude:34.8°
Longitude:239.5°

From:
Dr. Terry Bullett
c/- DIDBase, DIDBase link

Point Arguello ionogram
Bear Lake, USA

Latitude:41.9°
Longitude:248.6°

From:
Tom Berkey
http://www.ngdc.noaa.gov/stp/IONO/Dynasonde/index.html

Bear Lake
Boulder, Colorado, USA

Latitude:40°
Longitude:254.7°

From:
Dr. Terry Bullett
c/- DIDBase, DIDBase link

Boulder ionogram
Dyess AFB, Texas, USA

Latitude:32.4°
Longitude:260.2°

From:
Dr. Terry Bullett
c/- DIDBase, DIDBase link

Dyess ionogram
Jicamarca, Peru

Latitude:-12°
Longitude:283.2°

From:
Dr. Terry Bullett
c/- DIDBase, DIDBase link

Jicamarca ionogram
Point Arguello, California, USA

Latitude:34.8°
Longitude:239.5°

From:
Prof. Bodo W. Reinisch
c/- DIDBase, DIDBase link

Point Arguello ionogram
Wallops Is, Virginia, USA

Latitude:37.9°
Longitude:284.5°

From:
Dr. Terry Bullett
c/- DIDBase, DIDBase link

Wallops Is ionogram
Millstone Hill, USA

Latitude:42.4°
Longitude:288.8°

From:
Prof. Bodo W. Reinisch
UMASS Lowell : Center for Atmospheric Research
http://UMLCAR.UML.ED
600 Suffolk Street voice: +1 978.934.4912
Lowell, MA 01854

Millstone Hill
Qaanaaq / Thule, Greenland

Latitude:77.5°
Longitude:290.6°

From:
Prof. Bodo W. Reinisch
c/- DIDBase, DIDBase link

Qaanaaq ionogram
Ramey, Puerto Rico

Latitude:18.5°
Longitude:292.9°

From:
Dr. Terry Bullett
c/- DIDBase, DIDBase link

Ramey ionogram
Vernadsky,
(Old name: Faraday)

Latitude:-65.2°
Longitude:295.7°

From:
Dr. Gennadi Milinevsky
Deputy Director of Science
National Antarctic Scientific Center of Ukraine
16, Tarasa Shevchenka blvd
01601 Kyiv, Ukraine

Bear Lake
Goose Bay, Canada

Latitude:53.3°
Longitude:299.7°

From:
Dr. Terry Bullett
c/- DIDBase, DIDBase link

Goose Bay ionogram
Port Stanley, Falkland Islands

Latitude:-51.6°
Longitude:302.1°

From:
John Smith, RAL, UK
c/- DIDBase, DIDBase link

Port Stanley ionogram
Sondrestrom, Greenland

Latitude:66.98°
Longitude:309.06°

From:
Prof. Bodo W. Reinisch
c/- DIDBase, DIDBase link

Sondrestrom ionogram
Narssarssuaq, Greenland

Latitude:61.2°
Longitude:314.6°

From:
Dr. Terry Bullett
c/- DIDBase, DIDBase link

Narssarssuaq ionogram
Cachoeira Paulista, Brazil

Latitude:-22.7°
Longitude:315°

From:
Inez Staciarini Batista
Instituto Nacional de Pesquisas Espaciais
Av. dos Astronautas, 1758 Jardim da Granja
12201-970 Sao Jose dos Campos, SP, Brazil

Gakona
Sao Luis, Brazil

Latitude:- °
Longitude:- °

From:
Inez Staciarini Batista
Instituto Nacional de Pesquisas Espaciais
Av. dos Astronautas, 1758 Jardim da Granja
12201-970 Sao Jose dos Campos, SP, Brazil

Gakona
Forteleza, Brazil

Latitude:-3.8°
Longitude:322°

From:
Inez Staciarini Batista
Instituto Nacional de Pesquisas Espaciais
Av. dos Astronautas, 1758 Jardim da Granja
12201-970 Sao Jose dos Campos, SP, Brazil

Gakona
Ascension Island

Latitude:-7.95°
Longitude:345.6°

From:
Dr. Terry Bullett
c/- DIDBase, DIDBase link

Narssarssuaq ionogram
El Arenosillo, Spain

Latitude:37.1°
Longitude:353.3°

From:
Nicolás Mélida Garrido,
Radiopropagation Group,
Atmospheric Sounding Station "El Arenosillo"- INTA,
Atmospheric Research and Instrumentation Area,
Earth Observation, Remote Sensing and Atmosphere Department,
National Institute for Aerospace Technology, I.N.T.A.,
San Juan del Puerto- Matalacañas Road, Km 33,
21130 Mazagón- Huelva- Spain

El Arenosillo, Spain
Fairford, UK

Latitude:51.7°
Longitude:358.5°

From:
Dr. Terry Bullett
c/- DIDBase, DIDBase link

Fairford ionogram

For comments on this page please email: phil@ips.gov.au