
[ ANARTS - Australian National Amateur Radio Teletype Society ]

ANARTS News Bulletin 911  2nd JUNE 1996

[ Double-spaced, because that's how it arrived; I haved asked them
  on NUMEROUS occasions to fix this! ]


This is the Australian National Amateur Radio Teleprinter Society

with our weekly RTTY broadcast.

If you would like to receive the broadcast live, you can do so by

tuning in on the following frequencies and times.



  3.545 MHz (Plus/minus 5)   0930 UTC     VK2CTD COL

  7.045 MHz  -3              0030 UTC     VK2CTD COL

 14.070 MHz (amtor/fec)      0030 UTC     VK2DPM ALAN

 14.091 MHz                  0030 UTC

146.675 MHz             0030/0930 UTC     VK2JPA (PAT)

144.850 MHz (ax25 bbs)                    VK2JPA AT VK2WI

146.675 MHz (rtty mmbbs/repeater)         VK2RTY





        INTERNET         RADIO-INFO-DIST AT UCSD.EDU





A.N.A.R.T.S. News Bulletin 911  2nd JUNE 1996



ANARTS MEETING



ANARTS NEXT MEETING WILL BE ON FRIDAY 7TH JUNE AT THE USUAL 

VENUE  AND  COMMENCING  AT 7.30 PM.  FOR  FURTHER  INFORMATION 

CONTACT COL VK2CTD QTHR OR PACKET TO VK2CTD AT VK2DAA;  OR PAT 

VK2JPA, FAX : 672 3392, OR PHONE : 230 3722 (WORK).



             ---------------------------------------

COL'S COLUMN

------------



ITS  THAT TIME OF THE YEAR AGAIN. 'WHAT TIME' I HEAR YOU SAY!!.

ITS  THE  ANARTS WORLD WIDE RTTY CONTEST  TIME.  ITS  ON  NEXT 

WEEKEND AND I AM HOPING FOR A GREAT EFFORT FROM ALL YOU LOVELY 

PEOPLE IN THE VK RTTY-LAND.



THE  REASON  FOR THE HOPED FOR EFFORT IS THAT OUR  CONTEST  IS 

THOUGHT  OF VERY HIGHLY BY OVERSEAS STATIONS,  CONTEST MANAGER 

JIM VK2BQS HAS CALCULATED THAT UPWARDS OF FOUR OR FIVE HUNDRED 

STATIONS  ACTUALLY TAKE PART IN THE CONTEST,  WITH OVER  FIFTY 

ACTUALLY SUBMITTING A CONTEST LOG.  JIM MAKES THIS CALCULATION 

BY  THE  DIFFERENT  CALLSIGNS WORKED IN  THE  LOG.  A  LOT  OF 

OVERSEAS STATIONS MAKE COMMENTS AT THE END OF THEIR LOG,  MOST 

OF THEM VERY FAVOURABLE TO ANARTS AND AUSTRALIA. HOWEVER A LOT 

OF STATIONS NOTE THE LACK OF AUSTRALIAN AMATEURS TAKING PART. 



YOU SEE,  WHEN AN OVERSEAS STATION QSO'S WITH A VK CALL, IT IS 

AWARDED WITH BONUS POINTS. IF YOU COULD FIND IT IN YOUR HEARTS 

TO  ANSWER  A  FEW  CQ  CONTEST CALLS  I  WOULD  BE  ETERNALLY 

GRATEFULL,  YOU DO NOT HAVE TO SUBMIT A LOG (THOUGH THAT WOULD 

BE GREAT TOO), JUST GIVING A REPORT TO A FEW STATIONS WOULD BE 

ENOUGH. SEE IF YOU CAN BEAT NORMAN VK6GOM AND PETER VK6APW WHO 

WORKED  TOGETHER IN THE MULTI OPERATOR SECTION LAST  YEAR  AND 

WERE WORLD WIDE WINNERS,  AND RECEIVED A NICE PLAQUE FOR THEIR 

EFFORTS.  



THE  CONTEST COMMENCES 0000UTC SATURDAY 8TH JUNE AND CONCLUDES 

0000UTC 10TH JUNE.  QSO MESSAGE SHOULD CONTAIN.  RST, TIME UTC 

AND YOUR CQ ZONE.  IF ANY STATION REQUIRES A COPY OF THE RULES 

SEND  A  PACKET TO JIM VK2BQS AT VK2CZZ,  OR TO ME  VK2CTD  AT 

VK2DAA.



HOPE YOU ENJOY THE CONTEST AND HOPE TO HEAR YOU ON THE AIR.

73S FROM COL VK2CTD PRESIDENT OF ANARTS.



             -----------------------------------



G-TOR!!!WHAT'S THAT.                                DE VK2BOD  



G-TOR   IS  NOW  STANDARD  IN  THE  KAMPLUS (VERSION 7.0P) AND 

ENHANCEMENT  BOARD  FOR  THE KAM(VERSION  7.0E).  IT  IS  ALSO 

AVAILABLE   AS  AN  EPROM  UPDATE  WITH  SUPPLEMENTAL   MANUAL 

DOCUMENTACION FOR BOTH THE KAMPLUS AND THE ENHANCEMENT  BOARD. 

INSTALLATION  OF  THE ENHANCEMENT BOARD IS REQUIRED TO  UPDATE 

THE KAM TO INCLUDE G-TOR.



G-TOR COMBINES A VARIETY OF SIGNAL PROCESSING TECHNIQUES IN  A 

UNIQUE WAY WHICH DRAMATICALLY INCREASES THROUGHPUT.  G-TOR CAN 

RELIABLY  TRANSMIT  DATA MORE THAN TWICE AS FAST AS PACTOR  IN 

MOST  BAND  CONDITIONS.AND,  WHEN  THE  CHANNEL  IS  NOISY  OR 

UNSTABLE,  G-TOR  MAY TRANSMIT DATA NEARLY FOUR  TIMES  FASTER 

THAN  OTHER MODES BECAUSE IT IS RELATIVELY UNAFFECTED BY THESE 

CONDITIONS.

G-TOR, SHORT FOR GOLAY-TOR, WAS NAMED FOR M.J.E. GOLAY'S ERROR 

CORRECTION  CODE,WHICH WAS USED BY VOYAGER TO TRANSMIT  ERROR-

FREE COLOR IMAGES FROM JUPITER AND SATURN.  THIS CODING SCHEME 

PROVIDES  THE  BASIS OF G-TOR.  G-TOR  FAST,  ERROR-FREE  DATA 

TRANSMISSION  CAPABILITIES  CAN BE ATTRIBUTED  TO  THE  UNIQUE 

COMBINATION  OF SEVERAL TECHNIQUES INCLUDING: 



1)FULL FRAME DATA INTERLEAVING,

2)ON-DEMAND HUFFMAN COMPRESSION

3)RUN-LENGTH ENCODING,

4)VARIABLE BAUD RATE CAPABILITY,

5)16-BIT CRC ERROR DETECTION WITH HYBRID ARQ AND 

6)GOLAY  FORWARD  ERROR CORRECTION CODING.TOGETHER  IN  G-TOR, 

THESE  TECHNIQUES  COMBINE TO PROVIDE  FAST,  ERROR-FREE  DATA 

TRANSMISSION  IN A MODE THAT RESISTS INTERFERENCE AND  REDUCES 

MULTI-PATH EFFECTS.



TO PROTECT DATA FROM NOISE BURSTS DURING  TRANSMISSION,  G-TOR 

MAKES  USE OF A CONCEPT KNOWN AS INTERLEAVING,  SIMILAR TO THE 

APPROACH USED IN THE AUDIO COMPACT DISC. THROUGH INTERLEAVING, 

THE BITS OF EACH DATA CHARACTER ARE DISPERSED ACROSS THE FRAME 

AND  THEN REARRANGED UPON RECEPTION.  THEREFORE,  IF  A  BURST 

ERROR  OCCURS ON THE HF CHANNEL,THE DAMAGE WILL BE SPREAD  OUT 

INTO   SMALL  PIECES  ACROSS  THE  ENTIRE  FRAME  RATHER  THAN 

MUTILATING LARGE,  NON-RECOVERABLE SECTIONS.  USUALLY ONLY ONE 

OR  TWO BITS OF A SEGMENT WILL BE DAMAGED,  MAKING THE  ENTIRE 

TRANSMISSION EASILY RECOVERABLE.



AT  THE  SAME TIME,FOR FAST AND EFFICIENT  TRANSFER,  DATA  IS 

CONDENSED THROUGH HUFFMAN COMPRESSION AND RUN-LENGTH ENCODING. 

EACH  METHOD  MAY  TRANSLATE  DATA  INTO  CODES  SHORTER  THAN 

REQUIRED BY THE ORIGINAL INFORMATION.



TO BE CONTINUED

           ---------------------------------------



                WEEKLY SOLAR AND GEOPHYSICAL REPORT 



                      ( 24 MAY - 30 MAY)



ISSUED ON 31 MAY 1996



SUMMARY 



Date     24    25    26    27    28    29    30

10cm     67    67    67    67    66    66    67

A         8     7     6     8     5    11 (  9 ESTIMATED)

T         8     6     4     0     1     0     5







SOLAR ACTIVITY WAS VERY LOW DURING THE PERIOD.



THE  GEOMAGNETIC  FIELD AT LEARMONTH W.A.  WAS QUIET ON  28TH, 

MOSTLY  QUIET  ON  29TH,  AND  QUIET  TO  UNSETTLED  OVER  THE 

REMAINDER OF THE WEEK. 

 

MAXIMUM  USABLE  FREQUENCIES  AT SYDNEY  WERE  NEAR  PREDICTED 

VALUES ALL WEEK.  SPREAD F WAS OBSERVED DURING LOCAL NIGHT  ON 

28TH AND 29TH MAY.



                 FORECAST (31 MAY - 06 JUNE)



SOLAR:        VERY LOW



GEOMAGNETIC:  QUIET TO UNSETTLED



FREQUENCIES:  NEAR PREDICTED MONTHLY VALUES





COURTESY OF IPS RADIO AND SPACE SERVICES



          -----------------------------------------



VK2SG RTTY DX NOTES FOR WEEKENDING 24 MAY 96 (BID RTDX0524)



OUR  INFORMATION THIS WEEK CAME FROM:  AA5AU,  DJ3IW  AND  THE 

CENTRAL  EUROPE  CLUSTER DB0SPC,  I5FLN AND THE IK5PWJ  PACKET 

CLUSTER,  OH2LU,  W2JGR  AND THE NJ0M NODE THE TWIN-CITIES  DX 

PACKET CLUSTER, W5KSI AND ZS5S.



THANK YOU ALL FOR YOUR ASSISTANCE.



BANDPASS

FRIDAY 17

0805-14082  TR9DF

1512-14084  J28JJ

1649-14091  YI1RS

1655-14083  VU2AVG

1655-14086  BV7WZ

2020-14087  CE9BAE

2221-14082  XE3ARV

2234-14082  HAM2VB



SATURDAY 18

0829-14088  EG3ITU

1429-14084  3A2LZ

1556-14091  V85GA

1627-14085  SU1ER

1632-14086  VU2AVG

1644-21085  CX9BAE

1702-14082  9Q5PA

1718-14084  ZB2/DL7CM

1748-21083  CX9BAE

1841-14085  CN8GB

1932-14082  9Q5PA

2042-14084  EA6BH

2059-14085  HAM5BSW

2158-14084  EA9JZ

2201-14082  EA6BH

2158-14084  EA9JZ

2231-14089  CP1PY

2318-14079  XE3ARV

2331-14088  ZB2/DL7CM

2333-14080  PJ2MI

2323-14085  AC96DO



SUNDAY 19

0628-14086  SV1ADG

0734-14082  YI1RS

1829-14084  9Q5PA

1911-14083  9Q5PA

2015-14085  KP2BH

2021-14084  ZF2PA QSL W5ZPA

2052-14085  EG3ITU QSL EA3NB

2055-14087  UA2AO

2106-14082  KH6DRT

2107-14089  LU9VBR

2141-14086  GW5NF

2143-14084  UA2AO

2144-14084  ZF2PA



MONDAY 20

0817-14082  YI1RS

1354-14086  CN8LI

1439-14084  SV1CDN/3

1746-14084  ZF2PA

2023-14088  CN8GB

2031-14082  CP1PY

2037-14082  SV3YY

2116-14085  ZF2PA

2134-14088  EA9JZ

2158-14079  HP1DGX



TUESDAY 21

0231-14083  XE3ARV

1134-14084  ZF2PA

1233-14084  ZF2PA

1615-14087  HAM5DU



WEDNESDAY 22

0258- 7085  ZF2PA

0623-14082  YI1RS

1238-14084  ZF2PA

1241-14082  ER3KS

1433-14082  JX7DFA

1516-14084  JX7DFA

1540-14083  VU2AVG

1616-14086  YI1RS

1902-14086  UR5EDU

1621-14084  4Z5IO

2016-14086  EA9JZ

2112-14081  IG9/I0IA

2153-14082  CX9BAE

2211-14087  EA9JZ



THURSDAY 23

0340-14086  KH6DRT

0925-14087  UA0AV

1243-14087  IH9/OK1DIX



THE VK2SG RTTY DXNOTES ARE ALSO AVAILABLE ON INTERNET AT

REFLECTORS DXVE7TCP.AMPR.ORG, AND DIGITAL-DXST.RIM.OR.JP.

SEE ALSO THE OH2BUA WEBCLUSTER AT URL

HTTP://WWW.CLINET.FI/JUKKA/WEBCLUSTER.HTML



FOR NEXT WEEK'S BULLETIN SEND YOUR BANDPASS TO

JULES, W2JGR AT W5KSI.#NOLA.LA.USA.NA



REMEMBER, DX DON'T SLEEP.

GL DE BOB, WB2CJL AT W5KSI.#NOLA.LA.USA.NA



          ------------------------------------------



ARLD026 DX NEWS - EXCERPTS



THIS  WEEK'S BULLETIN WAS MADE POSSIBLE WITH INFO PROVIDED  BY 

CT1ENQ, CT1EEB, CT1FUF, THE NORTHERN PORTUGAL DX GROUP, HAMAD, 

9K2HN,  GARY,  NH2G,  FRANK,  AH0W/OH2LVG,  UWE,  DL9GOA, BOB, 

DL7VOA, TED, NH6YK, RAMON, XE1KK, AND CONTEST CORRAL FROM QST.  

THANKS TO ALL.



ANNOBON  ISLAND,   3C0.    TEO,  EA6BH,  PLANS  TO  RETURN  TO 

EQUATORIAL GUINEA AND OPERATE FROM THIS ISLAND, TOO.



COMOROS, D6.  DL4XS, DL6ET AND DL3KDV PLAN AN ALL BAND EFFORT,

INCLUDING 160 METERS, FROM AUGUST 22 TO SEPTEMBER 4.



ETHIOPIA,  ET.   PETER,  ET3BN,  HAS  BEEN ON 20  METER  RTTY, 

USUALLY  FROM  1800  TO 1900Z ON 14085 KHZ.   QSL  TO  PO  BOX 

150194, ADDIS ABABA, ETHIOPIA.



MEXICO,  XE.   RAMON,  XE1KK, HAS PUT A BEACON ON 50.0225 MHZ, 

LOCATED IN GRID EK09IK.  IT IS REPORTEDLY THE ONLY SUCH BEACON 

IN THE FIRST CALL AREA OF MEXICO.  XE1KK/B RUNS 20 WATTS TO AN 

OMNI-DIRECTIONAL  ANTENNA.  LISTEN FOR T T T DE XE1KK/B  EK09.  

RAMON WELCOMES RECEPTION REPORTS.



MINAMI TORISHIMA,  JD1.   JG8NQJ/JD1 HAS WRAPPED UP OPERATIONS 

BUT WILL RETURN FOR A THREE MONTH STAY STARTING JULY 15.   QSL 

VIA JA8CJY.



JAN  MAYEN,  JX.   LA7DFA  IS ACTIVE ON 14008 KHZ  CW  SIGNING 

JX7DFA.  LISTEN  FOR  HIS  20 METER RTTY FROM  1000  TO  1400Z 

FRIDAYS.



DODECANESE, SV5.  MANFRED, DL8SET, WILL BE QRV JUNE 6 TO 20 ON 

20 TO 6 METER CW AND SSB.  QSL VIA DL8SET.



CORSICA,  TK.   FALK,  DK7YY,  EX  DL7UTA,  WILL BE ACTIVE  AS 

TK/DK7YY THROUGH MAY 30.   HE WILL BE IN THE WPX CONTEST USING 

100 WATTS TO A VERTICAL.  BEFORE AND AFTER THE CONTEST HE WILL 

CONCENTRATE  ON THE WARC BANDS,  AND IF CONDITIONS PERMIT,  10 

METERS.



TOGO,  5V.   ROY,  DL7UBA,  AND LARS, DL7ALM, WILL BE QRV FROM 

JUNE 3 TO 18.   THEY HOPE TO OBTAIN THE CALLS 5V7HR AND 5V7ML, 

RESPECTIVELY, ON ALL BANDS, CW AND SSB.  QSL VIA HOME CALLS.



SAINT KITTS,  V47.  JIMMY, W6JKV, AND MIKE, K6MYC, WILL ARRIVE 

ON THE ISLAND THE NIGHT OF JUNE 29 AND DEPART ON JULY 9.  THEY 

PLAN TO OPERATE EME ON 50.144 AND 432 MHZ.  SIX METER SPORADIC 

E  IS  ALSO ON THEIR AGENDA,  AS WELL AS TWO METER  E-SKIP  TO 

EUROPE WITH THEIR EME ARRAY.



DOMINICAN REPUBLIC,  HI.   FRANK,  DL5PV,  IS ON 17, 20 AND 30 

METERS SIGNING DL5PV/HI7.  QSL VIA DL5PV.



                ----------------------------------



COMING EVENTS

-------------                    

JUNE                 7TH              ANARTS MEETING 



                     8TH-9TH          ANARTS WW DIGITAL

                                      CONTEST                            

            ------------------------------------------





Society information



The Society may be contacted at :  PO Box 860, Crows Nest 2065

Australia,   for   such  matters  as  membership  and  general

enquiries.  Enquiries  can  also  be made  by  packet  to  the

President(Col) VK2CTD at VK2DAA, or the Secretary (Pat) VK2JPA

at VK2WI.



News  items  may  be  sent to  Broadcast  Officer  PO  Box  60

Blacktown   2148 Australia,  or fax to (02)  672-3392,  or  by 

packet to VK2JPA at  VK2WI.



Email address for the Broadcast Officer is : 



       patl(at)pitt.conmusic.su.oz.au  

or     patl(at)extro.ucc.su.oz.au

 

The  Society welcomes news items on any digital subjects  from

anywhere in the broadcast coverage area.  We are looking  for-

ward  to news from your areas to let other  amateurs know what

you are doing in the hobby. Hope to hear from you.



73s de Pat VK2JPA Broadcast Officer 

-- 
