[ 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 --