IT9TYR - 50 MHz news from JM78
50 Mhz Dxpedition
Worked by IT9TYR
E51WL 6m qsl card
Today received from Warwick E51WL desired qsl card for a great 6m qso !! 12 March 2023 – 22:26z logged E51WL Warwich from BI01 grid beaming towards South America during a big opening with...
Guatemala and Costarica on 6m via backscatter
08 April 2023 logged 18:31z TG9AJR from EK44 grid Guatemala and 18:51z TI5CDA from EK70 Costarica – beaming towards South America (about 235°) during a big opening with PY,LU.
VK2XN on 6m
Today 10:51z logged VK2XN from QF59 – VK8 stations loud as usual. (some VK3 hrd but i was outside for lunch)
LU1ZV 6m open EU to Antartica
LU1ZV is located at the Argentine Esperanza base in Antarctica GC16 grid. FT8 beacon on 50.313 MHz was heard by several stations in the south of EuropeHere screenshot from IT9TYR Here fine article on...
E51WL North Cook
12 March 2023 – 22:26z logged E51WL Warwich from BI01 grid beaming towards South America during a big opening with PY,LU,ZP,CE. Here a great article from EI7GL page https://ei7gl.blogspot.com/2023/03/skewed-path-opening-on-50-mhz-band.html
3D2AG – Fiji Island into JM78
Great surprise ! 23 July 2022 07:41z logged 3D2AG from Grid RH91 for an incredible new one on 6m!
JD1BQI Ogasawara into JM78
JD1BKI Ogasawara into JM78 07 July 2022 – 05:40z IT9TYR logged JD1BQI op. Koji from Ogasawara Chichi Island Locator QL17bq – Qsl info via JE3GRD address – ok also via paypal at firstname.lastname@example.org
FP/KV1J – Saint Pierre e Miquelon into JM78
06 July 2022 15:36z IT9TYR wkd FP/KV1J from Saint Pierre e Miquelon – Grid GN17
9N7AA – Nepal into JM78
05 June 2022 05:58z IT9TYR wkd 9N7AA from Nepal – Grid NL27
ND0B North Dakota on 6m
12/07/2021 Great ! finally logged ND0B for my 6m WAS in EN07
50 MHz Propagation References
(all rights reserved by respected editors and authors)
2012 CQ VHF Fall 2012 article “Summer 2012 VHF Report” Unique E-Region VHF Propagation Events
2010, Codrescu, Mihail, Private communication
2009, Luetzelschwab, Carl K9LA, More on SSSP (Short-path Summer Solstice Propagation), WorldRadio Online, November, p 22
2009, Kraft, Joachim CT1HZE and Zimmerman, Eugene W3ZZ, World Above 50 MHz, QST, July and August
2008, Higasa, Han JE1BMJ, SSSP: Short-path Summer Solstice Propagation, CQ VHF, Fall, p 12 (English translation of the 2006 article)
2006, Higasa, Han JE1BMJ, SSSP: Short-path Summer Solstice Propagation, CQ Ham Radio, September, (in Japanese, see Higasa, 2008) 2007, Kusano, Toshikatsu JA1ELY and Obara, Makoto TZ6JA, “Whispering Gallery” Propagation, CQ, June, p 13
2005, Wu, DL, Ao, CO, Hajj, GA, de la Torre Juarez, M, and Mannucci, AJ, Sporadic E morphology from GPS-CHAMP radio occultation, J. Geophys. Res., 110, A01306
2003, Kennedy, James KH6/K6MIO, 50 MHz Long-Path Propagation, Proceedings of the 37th Central States VHF Society Conference, p 84
2001, Mobile, Robert K1SIX, Magnani, Robert K6QXY, and Kennedy, James KH6/K6MIO, Multiple Hop Sporadic “E” Diurnals, Proceedings of the 35th Central States VHF Society Conference, p 81
2001, Kennedy, James KH6/K6MIO, Mobile, Robert K1SIX, and Magnani, Robert K6QXY, Time-of-Day Effects in SixMeter Multi-hop Sporadic E Propagation, Proceedings of the 35th Central States VHF Society Conference, p 38
2001, Kennedy, James KH6/K6MIO, A Model for Diurnal Effects in Multi-hop Six-Meter Es, Proceedings of the 35th Central States VHF Society Conference, p 55
2000, Kennedy, James KH6/K6MIO, 50 MHz F2 Propagation Mechanisms, Proceedings of the 34th Central States VHF Society Conference 2000, p 87
1990, Davies, Kenneth, Ionospheric Radio, Peter Peregrinus Ltd.
1989, Whitehead, JD, Recent work on mid-latitude and equatorial sporadic-E, J Atmos. Terr. Phys., 51, pp 401-426