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[ 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
--