[RTTY] No Digital? (VK9ML)

Jari Jussila Jari.Jussila@oh2bu.pp.fi
Fri, 29 Mar 2002 15:52:43 +0300


Frank Hunt wrote:
 >
 > ...
 > The 2002 Mellish Reef team, including myself, are presently
 > considering how much time we should spend on RTTY.
 > Can we expect to make 4,000 QSO's, or how many?
 > ...
 > 73, Frank ZL2BR
 > ..


Frank's question will easily be answered with the data of some previous DX 
Peditions. D68C made 5285 RTTY QSO's but normally the amount of RTTY QSO's, 
are between 1500-2000 (1 to 3 percent of the QSO total) in the major DX 
peditions.

Jari, OH2BU

                 QSO     QSO's per mode                  RTTY
Call            DXCC Entity     total   CW      SSB     RTTY    %
D68C            Comoros Is.     168 722 84 482  75 497  5 285   3,2
ZL9CI           Campbell Is.    96 004  52 270  41 343  2 391   2,4
A52A            Bhutan          82 087  42 088  37 263  2 736   3,3
K5K             Kingman Reef    80 841  41 293  38 161  1 346   1,7
VK0IR           Heard Is.       80 673  45 536  33 081  2 056   2,5
XZ0A            Myanmar 79 784  38 394  38 953  2 437   3,1
FO0AAA  Clipperton I.   75 107  35 667  36 610  2 827   3,8
4J1FS           M-V Island      74 495  32 910  40 355  1 230   1,7
H40AA   Santa Cruz Is.  67 129  29 604  36 384  1 007   1,5
9M0C            Spratly Is.     65 524  34 298  28 856  2 075   3,2
R1MVA, R1MVM-V Island   65 221  33 990  29 879  1 352   2,1
3W8CW, 3W8DX            63 200  35 900  27 300          1,1
FR/F6KDF/T      Tromelin I.     51 046  18 146  32 321  579     1,1
3G0Y            Easter I.       49 629  38 332  9 585   1709    3,4
TS7N            Tunisia         46 492  29 984  12 242  663     1,5
3B9R            Rodrigues I.    46 100  23 460  21 763  1119    2,4
VK9MM   Mellish Reef    43 876  16 664  25 512  1548    3,5
E44/HA1AG       Palestine       40 431  29 716  9 971   744     1,8
ZL8RI           Kermadec        33 897  14 010  18 550  1439    4,2
T30CW   Kiribati                32 630  12 434  19 004  1192    3,7
V26EA/ET/FM Antigua             31 915  13 055  17 172  1673    5,2
ZL7DK   Chatham 31 335                          5,6
8P9JR/JS/JT/J Barbados  31 108  11 632  17 410  1443    4,7



At 11:57 29.3.2002 Friday +0100, you wrote:
>Frank Hunt wrote:
> >
> > ...
> > The 2002 Mellish Reef team, including myself, are presently
> > considering how much time we should spend on RTTY.
> > Can we expect to make 4,000 QSO's, or how many?
> > ...
> > 73, Frank ZL2BR
> > ...
>
>Hello Frank,
>
>you can make up to 4000 RTTY-QSO's in total, I believe. Some minutes
>ago I have made a little Short-/Long-Path Prediction for the time,
>when you will be on Mellish Reef.  (For my QTH, of course :-)
>
>In a summary: VK9m <=> DL the best bands are 20m (17m), Short-Path.
>Bearing (SP/LP): DL->VK9m 50/230 deg, VK9m->DL 330/150 deg.
>
>In details highest S/N ratio, all times in UTC:
>80m 1900-2000 SP
>40m 1800-2000 SP
>30m 1700-2030 SP
>20m 0500-0730 LP, 1400-1730 SP, 2000-2130 SP
>17m 0600-0730 LP, 1200-1630 SP
>15m 0600-0700 LP, 1330-1500 SP
>12m ~1300 - ~1630 SP with low probability
>10m ~1300 - ~1630 SP with very low probability
>
>I don't know, if that is helpful for you. Please have in your mind,
>the most contacts you can make in modes, where no high S/N ratio
>is necessary, like CW and RTTY. ;-)
>
>If you are thinking about working European stations, please think
>about this few statements ..
>
>1. Please have in your mind, that in Europe the distance from the
>    "West Coast" to the "East Coast" is (approx.) the same, like the
>    distance in the U.S.A. and the distance from the "North Coast" to
>    the "South Coast" in Europe is much (!) longer than in the U.S.A..
>
>2. If you are running in SSB, *PLEASE* don't accept the "last two"
>    callers; NEVER!!!
>
>3. Please have in your mind, that in Europe we have approx.
>    40 different nations. That means: 40 x different language skills
>    and 40 x different behavior in normal life and on the bands.
>
>What every your decision is, I have to accept it; I will accept it!
>
>73 de Waldemar, DK3VN
>--
>Check RWRL on  http://www.qsl.net/dk3vn  mailto:dk3vn@darc.de
>RWRL Mirror on http://home.arcor.de/waldemar.kebsch
>German DX Foundation #207  http://www.gdxf.de
>Big antennas, high in the sky, are better than small ones, low!
>
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