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Records and Standings
  • Six-Meter Firsts
  • DX Records
  • Grid Chase
  • VHF/UHF/µwave/EME Standings
  • WA50 Home

    • The World Above 50 MHz
    Conducted by Gene Zimmerman, W3ZZ

    DX Records

    Claimed North American Distance Records as of September 23, 2008. List maintained by Al Ward, W5LUA.

    North American Amateur Television (ATV) DX records are separately maintained by Tom O'Hara, W6ORG at http://www.hamtv.com/atvdxrecord.html.

    This page is undergoing transformation and updating. Send corrections and additions to w5lua@arrl.net. See the World Above 50 MHz in May 2002 QST.

    List in date order

    Propagation
    Mode    		Distance
    (km)    		Stations (grid locators)QSO Date
    144 MHz
    Aurora2,178WA0TKJ (EM18ct) -- KA1ZE (FN31tu)08-Feb-1986
    Aurora2,178WB0DRL (EM18ct) -- KA1ZE (FN31tu)08-Feb-1986
    Aurora2,145K5CM (EM25ir) -- WA1VTA (FN42am)15-Jul-2000
    Aurora2,106K5CM (EM25ir) -- W3EP (FN31vp)15-Jul-2000
    Aurora E2,446NU7Z (CN87ts) -- W9RPM (EN43jt)10-Oct-2003
    Auroral E2,295WB7UZO (CN78qi) -- VE3KNI (EN38hn)15-Aug-1989
    Auroral E2,236VE4AQ (EN19lu) -- K5MA (FN41qo)09-Jun-1991
    Auroral E2,128W7FI (CN87ws) -- VE3KNI (EN38hn)15-Aug-1989
    Auroral E1,911KB0ZQ (EN34it) -- N1BUG (FN55mf)14-Mar-1989
    FAI2,370W0LD (DM78pu) -- WA4CHA (EL88qa)19-Jun-1993
    FAI1,981W5UN (DM82wa) -- W5HUQ (EM90gc)25-Jul-1983
    IFS2,856K5JL (EM15dp) -- VE1ALQ (FN65vh)08-Nov-1999
    IFS2,587K5JL (EM15dp) -- W1REZ (FN55ea)08-Nov-1999
    IFS2,552K5JL (EM15dp) -- WA1JOF (FN44xw)11-Nov-1999
    IFS1,849K0MQS (EN13uh) -- WA1JOF (FN44xw)31-Aug-2000
    Meteors3,162K5UR (EM35wa) -- KP4EKG (FK68vg)13-Dec-1985
    Meteors2,496KB5WMY (EM32dm) -- W1REZ (FN55ea)11-Aug-1998
    Meteors2,406VE4AMU (EN19kv) -- AB4OO (EM81tg)18-Nov-2001
    Meteors2,364W5ORH -- K1ABR12-Aug-1968
    Meteors2,339W2CRS (DM78lx) -- KA2RDO (FN12ex)12-Aug-1996
    Meteors2,192XE2AT (DL81uu) - N0PB (EM39wo)12-Aug-2007
    Sporadic E3,635WA7GSK (DN13so) -- W4FF (EL96am)29-May-1998
    Sporadic E3,617KF7UV (DM08dv) -- W4UE (EM90gc)29-May-1998
    Sporadic E3,501W7YOZ (CN87vr) -- WA4CQG (EM72fo)06-Jun-1988
    Sporadic E3,389W7FI (CN87ws) -- KB4WM (EM63tg)06-Jun-1988
    Sporadic E2,688K5DYY (EL07ws) - KA7SAG/7 (CN92cj)15-Jun-2005
    TE6,412KP4EIT (FK68si) - LU8YYO (FF50)05-Oct-1991
    TE6,327KP4EOR (FK78aj) -- LU5DJZ (GF11lu)12-Feb-1978
    TE5,955KP4EIT (FK68si) -- LU2EG (GF05xd)04-Jan-1999
    TE5,750WP4LNY -- LU7FA02-Feb-2001
    TE5,555KP3A (FK68ol) -- LU5EJE (FF98jn)04-Jan-1999
    TE5,554WP4IPM (FK68pl) -- LU5EJU (FF98jn)04-Jan-1999
    Tropo (A)2,365W1JSM (FN43nc) -- VP5D (FL31ut)10-May-1988
    Tropo (A)2,340CO2OJ (EL83td) -- W1LP (FN41sr)15-May-1998
    Tropo (A)2,148N0JK (EM17jq) - CO2OJ (EL83td)14-May-1998
    Tropo (A)1,624WB4MJE (EL94hq) -- WP4O (FK68km)18-Jan-1995
    Tropo (C)2,715WB4MJE (EL94hq) -- VE1KG (FN84cm)05-Nov-1994
    Tropo (C)2,567KA5DWI (EM12ju) -- K1WHS (FN43mj)07-Sep-2003
    Tropo (C)2,558W5FKN (EM13gh) -- K1WHS (FN43mj)07-Sep-2003
    Tropo (C)2,508N5TIF (EM12hl) -- K1CMF (FN42bq)07-Sep-2003
    Tropo (P)4,754KH6HME (BK29go) -- W1LP/MM (DL51ce)21-Aug-1999
    Tropo (P)4,333KH6HME (BK29go) -- W7FI (CN87ws)01-Jul-1995
    Tropo (P)4,325KH6HME (BK29go) - N7MWV (CN87vr)01-Jul-1995
    Tropo (P)4,325KH6HME (BK29go) -- W7YOZ (CN87vr)01-Jul-1995
    Tropo (P)4,281KH6HME (BK29go) -- XE2/N6XQ (DL28uq)13-Jul-1989
    222 MHz
    Aurora2,094WB5LUA (EM13qc) -- WC2K (FM29pt)13-Mar-1989
    Meteors2,153K5VH (EM00xe) - VE3AX (FN02cw)19-Nov-2002
    Meteors2,102K1WHS (FN43mj) -- W7XU (EN13lm)13-Dec-1998
    Meteors2,089K5LLL (EM10kf) -- VE3AX (FN02cw)18-Nov-2001
    Meteors2,060K0ALL (EN16ou) -- W1JR (FN42hn)13-Aug-1988
    Sporadic E2,195W6QIW (DM04ck) -- W5UWB (EL17ax)14-Feb-2000
    Sporadic E2,184N6HKF (DM04fu) -- W5UWB (EL17ax)14-Feb-2000
    Sporadic E2,099K5LLL (EM10kf) -- VE3AX (FN02cw)08-Jul-2001
    Sporadic E2,051K5SW (EM25hr) -- WZ1V (FN31mp)06-Jul-2004
    Sporadic E2,008W4VC (EM81tg) - K0AWU (EN37ed)06-Jul-2004
    TE5,918KP4EOR (FK78aj) -- LU7DJZ (GF05rj)09-Mar-1983
    Tropo (A)1,854WA4LOX (EL87sk) -- WP4O (FK68km)26-Feb-1998
    Tropo (A)1,707KF4FWU (EL97st) -- WP4O (FK68km)26-Feb-1998
    Tropo (C)2,421WB5AFY (EM04id) -- K1TEO (FN31jg)07-Sep-2003
    Tropo (C)2,279K5VH (EM00xe) -- K2AXX (FN12cs)06-Sep-2003
    Tropo (C)2,259W5LUA (EM13qc) -- K1TEO (FN31jg)07-Sep-2003
    Tropo (C)2,213K5LLL (EM10kf) -- K2AXX (FN12cs)06-Sep-2003
    Tropo (P)4,150KH6HME (BK29go) -- XE2/N6XQ (DL29cx)15-Jul-1989
    Tropo (P)4,087KH6UK -- W6NLZ22-Jun-1959
    Tropo (P)4,035KH6HME (BK29go) - N6PEQ (DM13cr)13-Jul-2003
    432 MHz
    Aurora1,909WB5LUA (EM13qc) -- W3IP (FM19pd)08-Feb-1986
    Meteors2,040N6RMJ (DM14cp) -- W7XU (EN13lm)17-Nov-1998
    Meteors1,999WB5LUA (EM13qc) -- KD5RO (FN13fb)13-Dec-1988
    Meteors1,641W0LER -- W2AZL12-Aug-1972
    Tropo (A)2,273W1RIL (FN42ah) -- VP5D (FL31ut)10-May-1988
    Tropo (A)1,707KF4FWU (ELO97st) -- WP4O (FK68km)01-Oct-1998
    Tropo (A)1,662W4MOS (EL97te) -- WP4O (FK68km)01-Oct-1998
    Tropo (C)2,201KM1H (FN42hr) -- WB4MJE (EL94hq)16-Dec-1992
    Tropo (C)2,166W5UWB (EL17ax) -- K2YAZ (EN74ax)11-Oct-1998
    Tropo (C)2,161K0VXM (EL98pj) - NN5DX (DM80nv)21-May-2006
    Tropo (C)2,126WA5VJB (EM12lq) -- WB3CZG (FN21ax)29-Nov-1986
    Tropo (C)2,068W5UWB (EL17ax) -- K8MD (EN82bq)11-Oct-1998
    Tropo (P)4,150KH6HME (BK29go) -- XE2/N6XQ (DL29cx)15-Jul-1989
    Tropo (P)4,109KH6IAA (BK29go) -- KD6R (DM13ni)28-Jul-1980
    Tropo (P)4,035KH6HME (BK29go) - N6PEQ (DM13cr)13-Jul-2003
    Tropo (P)4,013KH6HME (BK29go) -- K7JA (DM03xs)11-Jul-1999
    903 MHz
    Aurora86K3HZO (FM18qp) -- WA3NZL (FM19jg)08-Nov-1991
    Rain Scatter328KM0T (EN13vc) - W0GHZ (EN34lx)13-Sep-2005
    Tropo (C)1,741N5WS (EL09ru) -- K0VXM (EL98pj)22-May-1998
    Tropo (C)1,730WB5LUA (EM13qc) -- W4WSR (EL96ww)14-Mar-1989
    Tropo (C)1,596AA5C (EM13se) -- K0VXM (EL98pj)23-May-1998
    Tropo (P)4,064KH6HME (BK29go) -- N6XQ (DM12jr)13-Jul-1994
    Tropo (P)3,982KH6HME (BK29go) -- N6CA (DM03tr)23-Aug-1993
    1296 MHz
    Rain Scatter580W0ZQ (EN34it) - K2YAZ (EN74av)17-Jun-2007
    Rain Scatter328KM0T (EN13vc) - W0GHZ (EN34lx)13-Sep-2005
    Tropo (C)2,079KD5RO (EM13pa) -- WB3CZG (FN21ax)29-Nov-1986
    Tropo (C)2,067WB5LUA (EM13qc) -- WB3CZG (FN21ax)29-Nov-1986
    Tropo (C)1,906W3XO (EM00kb) -- K2RTH (EL95tq1)22-May-1998
    Tropo (C)1,856W1RIL (FN42ah) -- WA4CHA (EL88qa)16-Dec-1992
    Tropo (P)4,150KH6HME (BK29go) -- XE2/N6XQ (DL29cx)15-Jul-1989
    2304 MHz
    Rain Scatter654KM0T (EN13vc) - K3SIW (EN52ta)19-Jul-2006
    Rain Scatter580W0ZQ (EN34it) - K2YAZ (EN74av)17-Jun-2007
    Rain Scatter328KM0T (EN13vc) - W0GHZ (EN34lx)13-Sep-2005
    Tropo (C)1,716W3XO (EM00kd) -- KQ4PI (EL99hk)21-May-2006
    Tropo (C)1,609W5LUA (EM13qc) -- K0VXM (EL98pj)01-May-2002
    Tropo (C)1,596AA5C (EM13se) -- K0VXM (EL98pj)01-May-2002
    Tropo (C)1,553K5VH (EM00xe) -- KB4DFO (EL89xc)12-Jan-2000
    Tropo (C)1,553K5VH (EM00xe) -- K1YV (EL89xc)17-Jul-2000
    Tropo (P)3,982KH6HME (BK29go) -- N6CA (DM03tr)14-Jul-1994
    3456 MHz
    Rain Scatter654KM0T (EN13vc) - K3SIW (EN52ta)17-Jul-2006
    Rain Scatter580K2YAZ (EN74av) - W0ZQ (EN34it)08-Jul-2007
    Rain Scatter481W0GHZ(EN34lx) - W9ZIH(EN51lv)24-Jun-2005
    Rain Scatter435KM0T (EN13vc) -- N0DQS (EN42nx)28-Jun-2003
    Rain Scatter328KM0T (EN13vc) - W0GHZ (EN34lx)13-Sep-2005
    Tropo (C)1,798W3XO (EM00kd) -- K0VXM (EL98pj)21-May-2006
    Tropo (C)1,606K5LLL (EM10kf) -- K0VXM (EL98pj)20-May-2006
    Tropo (C)1,539K5VH (EM00xe) -- WA8TTM (EL98dp)15-Apr-2003
    Tropo (C)1,509WW2R (EM13qd) -- WA8TTM (EL98dp)03-Feb-2003
    Tropo (C)1,508W5LUA (EM13qc) -- WA8TTM (EL98dp)03-Feb-2003
    Tropo (C)1,507W5LUA (EM13qc) -- KQ4PI (EL99hk)02-May-2002
    Tropo (P)3,982KH6HME (BK29go) -- N6CA (DM03tr)28-Jul-1991
    5760 MHz
    Rain Scatter848KM0T (EN13vc) - K8EB (EN73cb)22-Jun-2007
    Rain Scatter654KM0T (EN13vc) - K3SIW (EN52ta)19-Jul-2006
    Rain Scatter617KM0T (EN13vc) -- W9ZIH (EN51nv)24-May-2004
    Rain Scatter517W5ZN (EM45dh) -- WW2R (EM13qd)03-Aug-2003
    Rain Scatter516W5ZN (EM45dh) -- W5LUA (EM13qc)03-Aug-2003
    Rain Scatter481W0GHZ(EN34lx) - W9ZIH(EN51lv)24-Jun-2005
    Tropo (C)1,212W4DEX (EM95tg) -- K1WHS (FN43mj)25-Sep-2004
    Tropo (C)1,187WB5LUA(EM13qc) -- W9ZIH (EN51nv)12-Nov-1994
    Tropo (C)1,175AA5C (EM13se) -- W9ZIH (EN51nv)12-Nov-1994
    Tropo (C)1,005AA5C (EN13se) -- WB9OJR (EN50ej)12-Nov-1994
    Tropo (C)990XE2/N6XQ (DL37ck) -- N6CA (CM94xn)23-Jul-1989
    Tropo (C)915W5LUA (EM13qc) - K4XR (EM64nl)09-Aug-2007
    Tropo (P)3,982KH6HME (BK29go) -- N6CA (DM03tr)29-Jul-1991
    10 GHz Zero
    Rain Scatter848KM0T (EN13vc) - K8EB (EN73cb)22-Jun-2007
    Rain Scatter791KM0T (EN13vc) - VE3KRP (EN58gk)14-Aug-2007
    Rain Scatter753KM0T (EN13vc) - VE4MA (EN19lu)25-Aug-2005
    Rain Scatter695K0AWU (EN37ed) - W9ZIH (EN51nv)23-Jul-2005
    Rain Scatter676KC0IYT (EN34nl) - VE4MA (EN91lu)24-Jun-2005
    Rain Scatter676W0ZQ (EN34it) - VE4MA (EN19lu)24-Jun-2005
    Rain Scatter654K0AWU (EN37ed) - N4PZ (EN52gb)19-Jul-2006
    Rain Scatter644K0AWU (EN37ed) - K2YAZ (EN74av)26-Jun-2007
    Rain Scatter617KM0T (EN13vc) -- W9ZIH (EN51nv)24-May-2004
    Rain Scatter590NT0V (EN08oc) - KM0T (EN13vc)18-Aug-2005
    10 GHz 9th
    Rain Scatter738WB9SNR (EN62ac) -- W2DRZ (FN02la)16-Aug-1997
    Rain Scatter727W9ZIH (EN51nv) - VE3KRP (EN58jk)08-Jul-2007
    Rain Scatter709N4PZ (EN52gb) - VE3KRP (EN58jk)08-Jul-2007
    Rain Scatter695W9ZIH (EN51nv) - K0AWU (EN37ed)23-Jul-2005
    Rain Scatter654N4PZ (EN52gb) - K0AWU (EN37ed)19-Jul-2006
    Rain Scatter617W9ZIH (EN51nv) - KM0T (EN13vc)24-May-2004
    10 GHz 8th
    Rain Scatter848K8EB (EN73cb) - KM0T (EN13vc)22-Jun-2007
    Rain Scatter763WA8TTM (EL98cl) - W4DEX (EM95tg)22-Aug-2005
    Rain Scatter644K2YAZ (EN74av) - K0AWU (EN37ed)26-Jun-2007
    Rain Scatter573K2YAZ (EN74av) - N0UK/0 (EN34jv)26-Jun-2007
    Tropo (C)1,039WA8WZG (EN81om) - W5ZN (EM45dh)17-Aug-1999
    10 GHz 7th
    Rain Scatter79W7GLF (CN87vr) - W7LHL (CN87ua)17-Feb-2003
    Tropo (C)315W7PUA (CN84io) - KD7TS (CN87ui)30-Jan-2003
    10 GHz 6th
    Rain Scatter660W6OYJ (DM12mq) -- WB6CWN (DM08pk)06-Sep-1996
    Tropo (C)1,460AD6FP (CM96wa) - 4C2WH (DL34wt)19-Aug-2007
    Tropo (C)1,448KH6WZ (DM05ax) - 4C2WH (DL34wt)19-Aug-2007
    Tropo (C)1,448N6CA (DM05ax) - 4C2WH (DL34wt)19-Aug-2007
    Tropo (C)1,315KN6VR (DM04am) - 4C2WH (DL34wt)18-Aug-2007
    Tropo (C)1,315W6QIW (DM04am) - 4C2WH (DL34wt)18-Aug-2007
    Tropo (C)1,303WA6QYR (DM04bk) - 4C2WH (DL34wt)18-Aug-2007
    Tropo (C)1,290AA6IW (DM04ek) - 4C2WH (DL34wt)18-Aug-2007
    Tropo (C)1,290KE6HPZ (DM04ek) - 4C2WH (DL34wt)18-Aug-2007
    Tropo (C)1,286KB8VAO (DM04ms) - 4C2WH (DL34wt)18-Aug-2007
    Tropo (C)1,286N6DN (DM04ms) - 4C2WH (DL34wt)18-Aug-2007
    Tropo (C)1,286WT6K (DM04ms) - 4C2WH (DL34wt)18-Aug-2007
    Tropo (P)1,282W1LP/mm (DL34ja) -- WB6CWN (DM04eg)20-Sep-2001
    10 GHz 5th
    Rain Scatter515W5LUA (EM13qc) - W5ZN (EM45dh)17-Jun-2000
    Tropo (C)1,039W5ZN (EM45dh) -- WA8WZG (EN81om)17-Aug-1999
    Tropo (C)915W5LUA (EM13qc) - K4XR (EM64nl)09-Aug-2007
    10 GHz 4th
    Rain Scatter1,008W4DEX (EM95tg) -- AF1T(FN41ee)21-Aug-2005
    Rain Scatter763W4DEX (EM95tg) -- WA8TTM(EL98cl)22-Aug-2005
    Rain Scatter710W4DEX (EM95tg) - K2TXB (FM29pt)21-Aug-2004
    Tropo (C)1,212W4DEX (EM95tg) -- K1WHS (FN43mj)25-Sep-2004
    Tropo (C)915K4XR (EM64nl) - W5LUA (EM13qc)09-Aug-2007
    Tropo (C)537ND3F (FM26aw) - K1TEO (FN31jg)
    10 GHz 3rd
    Rain Scatter593KB8VAO/3 (FN00rg) -- AF1T/1 (FN41ee)17-Aug-2003
    10 GHz 2nd
    Rain Scatter738W2DRZ (FN02la) - WB9SNR (EN62ac)16-Aug-1997
    Rain Scatter710K2TXB (FM29pt) -- W4DEX (EM95tg)21-Aug-2004
    10 GHz 1st
    Rain Scatter1,008AF1T/1 (FN41ee) - W4DEX (EM95tg)21-Aug-2005
    Rain Scatter593AF1T/1 (FN41ee) - KB8VAO/3 (FN00rg)17-Aug-2003
    Tropo (C)1,212K1WHS (FN43mj) - W4DEX (EM95tg)25-Sep-2004
    Tropo (C)537K1TEO (FN31jg) - ND3F (FM26aw)
    10 GHz XE
    Tropo (C)1,4604C2WH (DL34wt) - AD6FP (CM96wa)19-Aug-2007
    Tropo (C)1,4484C2WH (DL34wt) - KH6WZ (DM05ax)19-Aug-2007
    Tropo (C)1,4484C2WH (DL34wt) - N6CA (DM05ax)19-Aug-2007
    Tropo (C)1,3154C2WH (DL34wt) - W6QIW (DM04am)18-Aug-2007
    Tropo (C)1,3034C2WH (DL34wt) - WA6QYR (DM04bk)18-Aug-2007
    Tropo (C)1,2904C2WH (DL34wt) - AA6IW (DM04ek)18-Aug-2007
    Tropo (C)1,2904C2WH (DL34wt) - KE6HPZ (DM04ek)18-Aug-2007
    Tropo (C)1,2864C2WH (DL34wt) - KB8VAO (DM04ms)18-Aug-2007
    Tropo (C)1,2864C2WH (DL34wt) - N6DN (DM04ms)18-Aug-2007
    Tropo (C)1,2864C2WH (DL34wt) - WT6K (DM04ms)18-Aug-2007
    10 GHz VE
    Rain Scatter791VE3KRP ( EN58gk) - KM0T (EN13vc)14-Aug-2007
    Rain Scatter753VE4MA (EN19lu) - KM0T (EN13vc)25-Aug-2005
    Rain Scatter727VE3KRP (EN58jk) - W9ZIH (EN51nv)08-Jul-2007
    Rain Scatter709VE3KRP (EN58jk) - N4PZ (EN52gb)08-Jul-2007
    Rain Scatter676VE4MA (EN19lu) -- KC0IYT/0 (EN34nl)24-Jun-2005
    Rain Scatter676VE4MA (EN19lu) -- W0ZQ/0 (EN34nl)24-Jun-2005
    24 GHz
    Rain Scatter283KM0T (EN13vc) - W0ZQ/0 (EN35ab)31-Dec-2005
    Rain Scatter218KM0T (EN13vc) - W0ZQ/0 (EN15wb)02-Apr-2006
    Rain Scatter195KD7TS (CN87ui) - W7SZ (CN85uo)28-Sep-2007
    Rain Scatter119KM0T (EN13vc) -- N0DQS (EN22ge)26-Aug-2003
    Tropo (C)543W5LUA (EM13qc) -- WW2R/5 (EM41hc)07-Sep-2002
    Tropo (C)375K6GZA/6 (CM97hm) -- AD6FP/6 (DM04ms)16-Sep-2000
    Tropo (C)375AD6FP/6 (CM97hm) - W6QI/6 (DM04ms)20-Aug-2005
    Tropo (C)313W6QI/6 (DM04ms) - AD6FP/6 (DM07dm)21-Aug-2005
    Tropo (C)290KB8VAO/6 (DM04ms) -- W6QI/6 (DM07gi)20-Sep-2004
    Tropo (C)285N1JEZ/1 (FN44ig) - KA1OJ/1 (FN51av)17-Sep-2006
    Tropo (C)266WA6EXV (DM06wl) -- K6OW (DM14kf)05-Jul-1997
    Tropo (C)257KK6TG (CM98mr) -- WB7ABP (CN80on)12-Sep-1992
    47 GHz
    Tropo (C)343W6QI/6 (DM04ms) - AD6FP/6 (DM07bs)30-Oct-2005
    Tropo (C)246W0EOM/6 (CM97ei) -- KF6KVG/6 (DM06ms)09-Feb-2003
    Tropo (C)232KB8VAO/6 (CM96qi) -- AD6FP/6 (DM04ms)18-Sep-2004
    Tropo (C)205N1JEZ/1 (FN44ig) - WA1MBA/1 (FN42bl)03-Jul-2005
    Tropo (C)174W3IY/4 (FN10ff) -- W4SW/4 (FM08us)14-Nov-2001
    Tropo (C)120NU7Z (CN87ms) - KD7TS (CN96aw)04-Oct-2003
    75 GHz
    LOS177AD6FP/6 (CM88qp) -- KF6KVG/6 (CM97ad)01-Mar-2002
    LOS177W0EOM/6 (CM88qp) -- KF6KVG/6 (CM97ad)01-Mar-2002
    LOS110K2AD (EM96ur) -- W2SZ (FM07fm)20-May-1999
    LOS60W2SZ (FM07fm) -- WA4RTS (FM08ia)01-May-1999
    120 GHz
    LOS30WA1ZMS/4 (FM07fm) - W4WWQ/4 (FM07ji)02-Apr-2003
    LOS24.8KF6KVG/6 (CM87wj) -- W0EOM/6 (CM97cj)29-Mar-2003
    LOS20.7W4WWQ/4 (FM07hj) -- WA1ZMS/4 (FM07fl)11-Mar-2003
    LOS1.1WA1MBA (FN32ri) -- WB2BYW (FN32rj)11-Jul-1994
    122 GHz
    LOS114WA1ZMS/4 (EM96ur) - W4WWQ/4 (FM07fm)18-Jan-2005
    LOS24.8W0EOM/6 (CM97cj) - KF6KVG/6 (CM87xh)27-Aug-2004
    LOS1N1JEZ/1 (FN34ha) -- KT1J (FN34ha)23-Aug-2008
    134 GHz
    LOS114.4WA1ZMS/4 (EM96ur) --W4WWQ/4 (FM07fm)26-Feb-2006
    142 GHz
    LOS79.7W2SZ/4 (FM07fm) -- WA1ZMS/4 (EM96wx)12-Jan-2003
    LOS61.6W2SZ/4 (FM07fm) -- WA4RTS/4 (FM08ib)01-Jan-2001
    LOS34WA1ZMS (FM05fm) -- WA4RTS (FM05ji)06-Nov-2000
    LOS11.7KF6KVG (CM87uk) -- W0EOM (CM87wj)19-Oct-1999
    241 GHz
    LOS114WA1ZMS/4 (FM07fm) -- W4WWQ/4 (EM96ur)21-Jan-2008
    LOS79.7WA1ZMS/4 (EM96wx) --W2SZ/4 (FM07fm)17-Feb-2004
    LOS61.8W2SZ/4 (FM07fm) - W4WWQ/4 (EM97xe)03-Dec-2003
    LOS11.4WA1ZMS/4 (FM07ln) -- W4WWQ/4 (FM07jn)11-Mar-2002
    LOS7.3WA1ZMS (FM07jj) -- W4WWQ (FM07ji)23-Feb-2002
    Micrometer Radio
    322 GHz1.4WA1ZMS/4 (FM07ji) -- W4WWQ/4 (FM07ji)04-Mar-2003
    322 GHz0.5WA1ZMS/4 (FM07ji) -- W4WWQ/4 (FM07ji)01-Mar-2002
    322 GHz0.05W2SZ (FM07ji) -- WA4RTS (FM07ji)15-Dec-2001
    403 GHz1.42WA1ZMS/4 (FM07ji) - W4WWQ/4 (FM07ji)21-Dec-2004
    403 GHz0.52WA1ZMS/4 (FM07ji) - W4WWQ/4 (FM07ji)11-Apr-2003
    Light
    474 THz192.6WB7VVD (DM34hb) -- KC7AED (DM43iq)21-Sep-1997
    474 THz81.6XE2AT (DL81vq) - XE2ZB (DL80vx)25-Aug-2005
    678 THz248WA7LYI (DM34tf) -- KY7B (DM42ok)08-Jun-1991

    Notes

    Frequency bands include Micrometer Radio (300 to 3000 GHz) and Light (3 to 30,000 THz).

    Propagation modes are tropospheric refraction and ducting (including line-of-sight paths), divided into in three categories: Tropo (A) (tropospheric modes across the Atlantic, Caribbean, and Gulf of Mexico); Tropo (C) (tropospheric modes across continental North America; Tropo (P) (tropospheric modes across the Pacific); Aurora (auroral scatter); Auroral E (auroral E); Sporadic E (sporadic E); FAI (E-layer field-aligned irregularities; IFS (ionospheric forward scatter); Meteors (meteor scatter); TE (transequatorial field-aligned irregularities); and Rain scatter (precipitation scatter).

    Distance calculations are based on the centers of 6-place grid locators, as calculated by BD (the W9IP bearing and distance program). Distances shorter than 100 km my be calculated using more precise methods.

    Call signs are those used to make the contacts.

    Send your claims to Al Ward, W5LUA, 2306 Forest Grove Estates Rd, Allen, TX 75002-8316 USA, or via e-mail to w5lua@arrl.net.


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