KF6HI
Contact me through: kf6hi.net


Country Name : United Nations HQ (click for all QSOs with this country)

Prefix: 4U_UN

Number of QSOs found on 21 MHz with United Nations HQ : 3

CallDateTimeModeQSL OUTQSL IN LOTWEQSL
4U1UN1990-06-2100:01SSBY
V
NN
4U47UN1992-09-2621:09RTTYYNNN
4U47UN1992-10-2521:16SSBNNNN

KF6HI QSO with 4U1UN (click for QRZ info), information for above highlighted contact:

UTC Date: 1990-Jun-21
UTC Time: 00:01
Frequency: 21.000 MHz
Report Sent: 59
Report Received: 59
Mode: SSB
Sunspot Number (>0): 57
Solar Flux (>67): 155
A-index (0-400): 7
3-hour K-index (0-9): 2.22
KF6HI
Sunrise 12:43
Sunset 03:10

4U1UN
Sunrise 09:25
Sunset 00:31
Grid:
ADIF code: 289
WAZ Zone: 5
Continent: NA
Latitude: 40.75 °
Longitude: 74.00 °
Bearing 66 °
Distance(km): 3963
Distance(miles): 2461
Operator:
Comments:
QSL info: NA2K
Record Number: 539

LP=Long Path if shown
Map Legend: =Home, =DX Station, =Sun Position
Red line = Communications path


The day/night terminator has 4 shade levels going from light to dark
  • Twilight or dusk is where the sun is 6° below the horizon. The D layer (green line at right) is illumiated is this area and to 9° below the horizon.
  • Nautical twilight the sun is 12° below the horizon; the horizon is still visible,
  • Astronomical twilight sun is 18° below the horizon The F layer (red line at right) is illumiated is this area and to 20° below the horizon.
  • Night
The Magnetic Equator is shown as a black line around the 0 degree equator line
The Magnetic Equator is important for Transequatorial Propogation and the magnetic field strengths are believed to be important for Sporadic-E Propagation.
Verifications:



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