10:38, 15 January 2023Spinningsparktalkcontribs uploaded File:Okta symbols for hand drawn maps.svg(((Information |Description=cloud cover symbols used on hand drawn maps |Source=Self created using Inkscape |Date=15th January 2023 |Author=~~~ |other_versions= )) == Licensing == ((cc-by-sa-3.0|Courtesy [http://en.wikipedia.org/wiki/User:Spinningspark Spinningspark at Wikipedia])) ((KeepLocal)))
10:33, 15 January 2023Spinningsparktalkcontribs uploaded File:Okta symbols for teletype.svg(((Information |Description=Cloud cover symbols used on 5-bit weather teletypes |Source=Self created using Inkscape |Date=15th January 2023 |Author=~~~ |other_versions= )) == Licensing == ((cc-by-sa-3.0|Courtesy [http://en.wikipedia.org/wiki/User:Spinningspark Spinningspark at Wikipedia])) ((KeepLocal)))
22:19, 6 January 2023Spinningsparktalkcontribs uploaded File:Geological map of Southern England (part upload for assessment).png(((Information |Description=Part of geological map of Southern England |Source=Geological Map of Great Britain: Sheet 2 ("10-mile" map) |Date=2nd edition copyright 1957 (expired 2007) |Author=Ordnance Survey |other_versions= )) == Licensing == ((PD-UKGov)) ((KeepLocal)) ((Do not move to Commons|reason=temporary partial upload for Graphics lab assessment only. If commons want it, the whole document should be uploaded)))
17:31, 9 September 2022Spinningsparktalkcontribs uploaded File:Modulation phasors.svg(((Information |Description=Phasor diagrams for modulated signals |Source=Self created using Inkscape |Date=9th September 2022 |Author=~~~ |other_versions= )) == Licensing == ((cc-by-sa-3.0|Courtesy [http://en.wikipedia.org/wiki/User:Spinningspark Spinningspark at Wikipedia])) ((KeepLocal)))
16:32, 13 May 2022Spinningsparktalkcontribs uploaded File:Stage at Elysian Grove.jpg(((Information |Description=Outdoor concert at Elysian Grove, 1900s |Source=[https://www.ceredigion.gov.uk/index.cfm?articleid=5687 Ceredigion County Council website] (deadlink), [https://web.archive.org/web/20120903125936/https:/www.ceredigion.gov.uk/index.cfm?articleid=5687 archive] |Date=1900–1905 (date estimated by Ceredigion County Council senior archivist based on female hat styles in a personal communication) |Author=unknown |other_versions= )) == Licensing == ((PD-UK-unknown)) ((K...)
13:20, 3 November 2021Spinningsparktalkcontribs uploaded File:Genghis Khan Battle scene.png(((Non-free fair use)) ((Non-free use rationale |Article=Genghis Khan (TV programme) |Description=Screen shot from BBC Genghis Khan documentary |Source= Original media |Portion=Small part. Only a part of single frame from an hour long video has been used |Low_resolution=Is low and only as much resolution as necessary to impart a flavour of the film |Purpose=To aid readers in assessing the nature of the production. |Replaceability=No free equivalent is available. The image will not become becom...)
13:08, 3 November 2021Spinningsparktalkcontribs uploaded File:Genghis Khan video.png(((Non-free fair use)) ((Non-free use rationale |Article=Genghis Khan (TV programme) |Description=Cover of released Genghis Khan DVD |Source= Original media |Portion=100% |Low_resolution=Is low and only as much resolution as necessary to identify and show the person described in the article, not enough to be used for piracy |Purpose=It aids readers in identifying the product. |Replaceability=No free equivalent is available. The image will eventually become free when the copyright expires |othe...)
23:15, 5 October 2021Spinningsparktalkcontribs reverted File:Gotmymindsetonyou63.png to an old version (Reverted to version as of 22:48, 10 December 2019 (UTC). Since no longer non-free, no reason not to have the higher quality version)
12:36, 25 September 2021Spinningsparktalkcontribs uploaded File:Melville ipotane.png(((Information |Description=Image of an ipotane from Melville's ''Travels'' |Source=''The Travels of Sir John Mandeville'', Wyken and Worde, 1499, as reproduced in |Date=published 1449 |Author=John Mandeville (fl. 1357) |other_versions= )) == Licensing == ((PD-old-70)) ((KeepLocal)))
16:39, 27 August 2020Spinningsparktalkcontribs uploaded File:Mercury pressure gauge.svg(((Information |Description=Open differential mercury pressure gauge |Source=Self created using Inkscape |Date=27th August 2020 |Author=~~~ |other_versions= )) == Licensing == ((cc-by-sa-3.0|Courtesy [http://en.wikipedia.org/wiki/User:Spinningspark Spinningspark at Wikipedia])) ((KeepLocal)))
15:44, 23 August 2020Spinningsparktalkcontribs uploaded File:Two tone general test.svg(((Information |Description=General test setup for two-tone testing |Source=Self created using Inkscape after diagram in cited source |Date=23rd August 2020 |Author=~~~ |other_versions= )) == Licensing == ((cc-by-sa-3.0|Courtesy [http://en.wikipedia.org/wiki/User:Spinningspark Spinningspark at Wikipedia])) ((KeepLocal)) == References == * Pedro, José Carlos; Carvalho, Nuno Borges, ''Intermodulation Distortion in Microwave and Wireless Circuits'', Artech House, 2003 ((ISBN|1580536913)).)
11:46, 22 August 2020Spinningsparktalkcontribs uploaded File:Zolotarev-Chebyshev filter comparison.svg(((Information |Description=Comparison of insertion losss of 7th-order Achieser-Zolotarev filter and 7th-order Chebyshev filter |Source=Self created using Inkscape after diagram in cited source |Date=22nd August 2020 |Author=~~~ |other_versions= )) == Licensing == ((cc-by-sa-3.0|Courtesy [http://en.wikipedia.org/wiki/User:Spinningspark Spinningspark at Wikipedia])) ((KeepLocal)) == References == * Cameron, Richard J.; Kudsia, Chandra M.; Mansour, Raafat R., ''Microwave Filters for Communicat...)
14:21, 2 August 2020Spinningsparktalkcontribs uploaded File:Reciprocity example ports 2 to 1.svg(((Information |Description=Reciprocity in an asymmetrical attenuator - reverse direction |Source=Self created using Inkscape |Date=2nd August 2020 |Author=~~~ |other_versions= )) == Licensing == ((cc-by-sa-3.0|Courtesy [http://en.wikipedia.org/wiki/User:Spinningspark Spinningspark at Wikipedia])) ((KeepLocal)))
14:21, 2 August 2020Spinningsparktalkcontribs uploaded File:Reciprocity example ports 1 to 2.svg(((Information |Description=Reciprocity in an asymmetrical attenuator - forward direction |Source=Self created using Inkscape |Date=2nd August 2020 |Author=~~~ |other_versions= )) == Licensing == ((cc-by-sa-3.0|Courtesy [http://en.wikipedia.org/wiki/User:Spinningspark Spinningspark at Wikipedia])) ((KeepLocal)))
14:20, 2 August 2020Spinningsparktalkcontribs uploaded File:Reciprocity example circuit.svg(((Information |Description=An asymmetrical attenuator |Source=Self created using Inkscape |Date=2nd August 2020 |Author=~~~ |other_versions= )) == Licensing == ((cc-by-sa-3.0|Courtesy [http://en.wikipedia.org/wiki/User:Spinningspark Spinningspark at Wikipedia])) ((KeepLocal)))
21:03, 29 May 2020Spinningsparktalkcontribs uploaded File:Preset symbols.svg(((Information |Description=Preset trimmer circuit symbols |Source=Self created using Inkscape |Date=29th May 2020 |Author=~~~ |other_versions= )) == Licensing == ((cc-by-sa-3.0|Courtesy [http://en.wikipedia.org/wiki/User:Spinningspark Spinningspark at Wikipedia])) ((KeepLocal)))
12:54, 18 May 2020Spinningsparktalkcontribs uploaded File:Two tone Rx test (off air).svg(((Information |Description=Two-tone testing of receivers; off-air method |Source=Self created using Inkscape after diagram in reference |Date=6th April 2020 |Author=~~~ |other_versions= )) == Licensing == ((cc-by-sa-3.0|Courtesy [http://en.wikipedia.org/wiki/User:Spinningspark Spinningspark at Wikipedia])) ((KeepLocal)) == References == * [https://apps.dtic.mil/docs/citations/ADA617071 ''Electronic Warfare and Radar Systems Engineering Handbook''] 4th edition, Naval Air Warefare Center Weap...)
12:53, 18 May 2020Spinningsparktalkcontribs uploaded File:Two tone Rx test (direct).svg(((Information |Description=Two-tone testing of receivers with direct injection into UUT |Source=Self created using Inkscape after diagram in reference |Date=6th April 2020 |Author=~~~ |other_versions= )) == Licensing == ((cc-by-sa-3.0|Courtesy [http://en.wikipedia.org/wiki/User:Spinningspark Spinningspark at Wikipedia])) ((KeepLocal)) == References == * [https://apps.dtic.mil/docs/citations/ADA617071 ''Electronic Warfare and Radar Systems Engineering Handbook''] 4th edition, Naval Air Waref...)
14:13, 5 May 2020Spinningsparktalkcontribs uploaded File:Henley-Foster telegraph instrument.png(((Information |Description=Henley-Foster telegraph instrument |Source=J.J. Fahie, A History of Electric Telegraphy, to the Year 1837, London: E. & F.N. Spon, 1884 |Date=published 1884 |Author=Shaffner, Taliaferro Preston, ''The Telegraph Manual'', Pudney & Russell, 1859. |other_versions= )) == Licensing == ((PD-old-70)) ((KeepLocal)))
23:13, 28 April 2020Spinningsparktalkcontribs uploaded File:Schilling calling system.png(((Information |Description=Pavel Schilling's calling system for his needle telegraph |Source=J.J. Fahie, A History of Electric Telegraphy, to the Year 1837, London: E. & F.N. Spon, 1884 |Date=published 1884 |Author=John Joseph Fahie (1846-1934) |other_versions= )) == Licensing == ((PD-old-70)) ((KeepLocal)))
08:22, 27 April 2020Spinningsparktalkcontribs uploaded File:Schilling one-needle telegraph.png(((Information |Description=One needle instrument from Schilling's telegraph |Source=J.J. Fahie, ''A History of Electric Telegraphy, to the Year 1837'', London: E. & F.N. Spon, 1884 |Date=published 1884 |Author=John Joseph Fahie (1846-1934) |other_versions= )) == Licensing == ((PD-old-70)) ((KeepLocal)))
18:17, 6 April 2020Spinningsparktalkcontribs uploaded File:Bott-Duffin 3-4.svg(((Information |Description=Example of Bott-Duffin synthesis steps 3 and 4 |Source=Self created using Inkscape |Date=6th April 2020 |Author=~~~ |other_versions= )) == Licensing == ((cc-by-sa-3.0|Courtesy [http://en.wikipedia.org/wiki/User:Spinningspark Spinningspark at Wikipedia])) ((KeepLocal)))
18:16, 6 April 2020Spinningsparktalkcontribs uploaded File:Bott-Duffin 1-2.svg(((Information |Description=Example of Bott-Duffin synthesis steps 1 and 2 |Source=Self created using Inkscape |Date=6th April 2020 |Author=~~~ |other_versions= )) == Licensing == ((cc-by-sa-3.0|Courtesy [http://en.wikipedia.org/wiki/User:Spinningspark Spinningspark at Wikipedia])) ((KeepLocal)))
15:29, 19 March 2020Spinningsparktalkcontribs uploaded File:User Spinningspark.jpg(((Information |Description=User Spinningspark |Source=Personal document |Date=November 2019 |Author=Timpson: work for hire |other_versions= )) == Licensing == ((cc-by-sa-3.0|Courtesy [http://en.wikipedia.org/wiki/User:Spinningspark Spinningspark at Wikipedia])) ((Do not move to Commons|reason=Commons:Commons:EDUSE, unlikely to be of use outside Wikipedia)))
23:07, 14 March 2020Spinningsparktalkcontribs uploaded File:Wigwag flag colours.svg(((Information |Description=Wigwag flag available colours |Source=Self created using Inkscape |Date=14th March 2020 |Author=~~~ |other_versions= )) == Licensing == ((cc-by-sa-3.0|Courtesy [http://en.wikipedia.org/wiki/User:Spinningspark Spinningspark at Wikipedia])) ((KeepLocal)))
14:47, 11 March 2020Spinningsparktalkcontribs uploaded File:Wigwag tree station, upper Potomac.png(((Information |Description=A wigwag station in a tree on the Upper Potomac. |Source=Albert J. Myer, ''A Manual of Signals'', D. Van Nostrand, 1872 |Date=published 1872 |Author=Albert J. Myer (1828-1880) |other_versions= )) == Licensing == ((PD-old-70)) ((KeepLocal)))
14:45, 11 March 2020Spinningsparktalkcontribs uploaded File:Wigwag station near Washington.png(((Information |Description=A wigwag station near Washington. |Source=Albert J. Myer, ''A Manual of Signals'', D. Van Nostrand, 1868 |Date=published 1868 |Author=Albert J. Myer (1828-1880) |other_versions= )) == Licensing == ((PD-old-70)) ((KeepLocal)))
14:43, 11 March 2020Spinningsparktalkcontribs uploaded File:Wigwag motions.png(((Information |Description=Wigwag signalling motions. |Source=Albert J. Myer, ''A Manual of Signals'', D. Van Nostrand, 1866 |Date=published 1866 |Author=Albert J. Myer (1828-1880) |other_versions= )) == Licensing == ((PD-old-70)) ((KeepLocal)))
14:42, 11 March 2020Spinningsparktalkcontribs uploaded File:Wigwag masthead signal station, Richmond.png(((Information |Description=A wigwag station on the masthead of a US ship at Richmond. |Source=Albert J. Myer, ''A Manual of Signals'', D. Van Nostrand, 1868 |Date=published 1868 |Author=Albert J. Myer (1828-1880) |other_versions= )) == Licensing == ((PD-old-70)) ((KeepLocal)))
14:41, 11 March 2020Spinningsparktalkcontribs uploaded File:Wigwag 130 ft tower.png(((Information |Description=130 ft wigwag tower used in operations against Richmond in the American Civil War |Source=Albert J. Myer, ''A Manual of Signals'', D. Van Nostrand, 18668 |Date=published 1868 |Author=Albert J. Myer (1828-1880) |other_versions= )) == Licensing == ((PD-old-70)) ((KeepLocal)))
14:39, 11 March 2020Spinningsparktalkcontribs uploaded File:Wigwag 125 ft tower.png(((Information |Description=125 ft wigwag tower used in operations against Richmond in the American Civil War. |Source=Albert J. Myer, ''A Manual of Signals'', D. Van Nostrand, 1866 |Date=published 1866 |Author=Albert J. Myer (1828-1880) |other_versions= )) == Licensing == ((PD-old-70)) ((KeepLocal)))