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Date: Sat, 25 Dec 93 02:39:05 PST From: Info-Hams Mailing List and Newsgroup <info-hams@ucsd.edu> Errors-To: Info-Hams-Errors@UCSD.Edu Reply-To: Info-Hams@UCSD.Edu Precedence: Bulk Subject: Info-Hams Digest V93 #1508 To: Info-Hams Info-Hams Digest Sat, 25 Dec 93 Volume 93 : Issue 1508 Today's Topics: 286 Chip Socket needed. Daily Summary of Solar Geophysical Activity for 24 December HDN Releases Repeater database? Weekly Solar Terrestrial Forecast & Review for 23 December Send Replies or notes for publication to: <Info-Hams@UCSD.Edu> Send subscription requests to: <Info-Hams-REQUEST@UCSD.Edu> Problems you can't solve otherwise to brian@ucsd.edu. Archives of past issues of the Info-Hams Digest are available (by FTP only) from UCSD.Edu in directory "mailarchives/info-hams". We trust that readers are intelligent enough to realize that all text herein consists of personal comments and does not represent the official policies or positions of any party. Your mileage may vary. So there. ---------------------------------------------------------------------- Date: 23 Dec 1993 01:52:31 -0500 From: library.ucla.edu!europa.eng.gtefsd.com!howland.reston.ans.net!cs.utexas.edu!swrinde!sgiblab!wetware!spunky.RedBrick.COM!psinntp!starcomm.overleaf.com!kb2ear.ampr.org!not-for-mail@galaxy.ucr.edu Subject: 286 Chip Socket needed. To: info-hams@ucsd.edu I am in need of a socket the will hold a 286 CPU. I need to extend the plug for an addon board. Does anyone know where I might find/order one? Thanks, -- Scott R. Weis KB2EAR Internet: kb2ear@kb2ear.ampr.org Snail Mail: 10 Palmer Rd., Kendall Park, NJ, 08824-1228 Phone: +1 908 297 0469 ------------------------------ Date: Fri, 24 Dec 1993 22:15:23 MST From: library.ucla.edu!news.mic.ucla.edu!unixg.ubc.ca!nntp.cs.ubc.ca!alberta!nebulus!ve6mgs!usenet@network.ucsd.edu Subject: Daily Summary of Solar Geophysical Activity for 24 December To: info-hams@ucsd.edu /\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\ DAILY SUMMARY OF SOLAR GEOPHYSICAL ACTIVITY 24 DECEMBER, 1993 /\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\ (Based In-Part On SESC Observational Data) ** MERRY CHRISTMAS ** SOLAR AND GEOPHYSICAL ACTIVITY INDICES FOR 24 DECEMBER, 1993 ------------------------------------------------------------ !!BEGIN!! (1.0) S.T.D. Solar Geophysical Data Broadcast for DAY 358, 12/24/93 10.7 FLUX=111.2 90-AVG=098 SSN=117 BKI=2122 2322 BAI=007 BGND-XRAY=B4.0 FLU1=1.5E+06 FLU10=1.2E+04 PKI=2123 3322 PAI=008 BOU-DEV=015,008,017,013,015,020,010,011 DEV-AVG=013 NT SWF=02:016 XRAY-MAX= M1.3 @ 1507UT XRAY-MIN= B2.5 @ 0222UT XRAY-AVG= C1.1 NEUTN-MAX= +002% @ 2155UT NEUTN-MIN= -002% @ 1710UT NEUTN-AVG= -0.0% PCA-MAX= +0.1DB @ 1425UT PCA-MIN= -0.5DB @ 1005UT PCA-AVG= -0.0DB BOUTF-MAX=55362NT @ 0023UT BOUTF-MIN=55341NT @ 1841UT BOUTF-AVG=55351NT GOES7-MAX=P:+000NT@ 0000UT GOES7-MIN=N:+000NT@ 0000UT G7-AVG=+064,+000,+000 GOES6-MAX=P:+128NT@ 1813UT GOES6-MIN=N:-068NT@ 0636UT G6-AVG=+087,+022,-029 FLUXFCST=STD:115,117,120;SESC:115,117,120 BAI/PAI-FCST=005,005,010/005,007,010 KFCST=1122 2111 1223 2211 27DAY-AP=004,004 27DAY-KP=2100 1212 1101 2211 WARNINGS=*SWF ALERTS=**MINFLR:M1.3/1N@1507,N08E29(7640);**245STRM:0402-1540UTC; **MINFLR:M1.1/1N@1815,N07E20(7640) !!END-DATA!! NOTE: The Effective Sunspot Number for 23 DEC 93 is not available. The Full Kp Indices for 23 DEC 93 are: 2- 3- 1+ 3- 3- 2+ 2- 3+ SYNOPSIS OF ACTIVITY -------------------- Solar activity was moderate. Region 7640 (N08E21) produced two M1/1N flares maxing at 1507Z and 1815Z. No radio activity was reported with these two flares. Numerous C-class flaring has also occurred in this region over the past 24 hours. White light observations indicate 7640 has nearly doubled in spot number and has grown significantly in area with rapid penumbra development throughout the region. Two new Regions were numbered overnight -- Rgn 7642 (N10W20) and Rgn 7643 (S16E69). All other regions were stable. One other item of note to pass on: just minutes ago, Santa Claus was positively identified on radar leaving the polar cap and passing through the auroral oval. Any minor disturbances in ionospheric signatures should be attributed to this seasonal phenomenon. Solar activity forecast: solar activity is expected to be moderate. Continued development in Region 7640 should produce more M-class activity with a slight chance of X-class activity. STD: Big Bear reported new positive polarity flux emerging just slightly southwest of the main negative polarity leader flux. If this feature persists, it could result in additional C and M class flare activity and may even possibly provide a mechanism for a stronger event. This region now encompasses an impressive 73 spots and is bright in x-rays, as illistrated in the appended full-disk Yohkoh x-ray image. A small and potentially mildly geoeffective southern hemisphere coronal hole crossed the central meridian over the last 24 to 36 hours. Although it is still difficult to discern, there appears to be a moderately large coronal hole to the east and north of Region 7640, just now rotating into view. The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Geophysical activity forecast: the geomagnetic field is expected to be mostly quiet. Event probabilities 25 dec-27 dec Class M 60/65/70 Class X 05/10/10 Proton 01/05/05 PCAF Green Geomagnetic activity probabilities 25 dec-27 dec A. Middle Latitudes Active 10/10/15 Minor Storm 05/05/05 Major-Severe Storm 01/01/01 B. High Latitudes Active 10/10/15 Minor Storm 05/05/10 Major-Severe Storm 01/01/01 STD: HF propagation conditions have not changed over the last 24 hours. High and polar latitude regions continued to observe occasional periods of minor signal degradation (poor propagation). Middle and low latitudes experienced near-normal propagation. There was a confirmed minor SWF on frequencies as high as approximately 10 to 12 MHz at about 18:15 UTC. No changes are expected over the next 72 hours. SWF activity will remain quite possible over daylit paths throughout the next several days. COPIES OF JOINT USAF/NOAA SESC SOLAR GEOPHYSICAL REPORTS ======================================================== REGIONS WITH SUNSPOTS. LOCATIONS VALID AT 24/2400Z DECEMBER ----------------------------------------------------------- NMBR LOCATION LO AREA Z LL NN MAG TYPE 7635 N02W57 276 0000 AXX 00 001 ALPHA 7640 N08E21 198 0510 FKI 21 073 BETA-GAMMA 7641 N04E20 199 0100 HSX 02 001 ALPHA 7642 N11W20 239 0010 BXO 03 002 BETA 7643 S16E69 150 0000 AXX 01 002 ALPHA REGIONS DUE TO RETURN 25 DECEMBER TO 27 DECEMBER NMBR LAT LO 7633 S18 090 LISTING OF SOLAR ENERGETIC EVENTS FOR 24 DECEMBER, 1993 ------------------------------------------------------- A. ENERGETIC EVENTS: BEGIN MAX END RGN LOC XRAY OP 245MHZ 10CM SWEEP 1411 1415 1425 C1.4 120 1450 1507 1516 7640 N08E29 M1.3 1N 1803 1815 1824 7640 N07E20 M1.1 1N POSSIBLE CORONAL MASS EJECTION EVENTS FOR 24 DECEMBER, 1993 ----------------------------------------------------------- BEGIN MAX END LOCATION TYPE SIZE DUR II IV NO EVENTS OBSERVED INFERRED CORONAL HOLES. LOCATIONS VALID AT 24/2400Z --------------------------------------------------- ISOLATED HOLES AND POLAR EXTENSIONS EAST SOUTH WEST NORTH CAR TYPE POL AREA OBSN 55 N23E86 S30E86 N10E38 N28E46 169 ISO NEG 028 10830A SUMMARY OF FLARE EVENTS FOR THE PREVIOUS UTC DAY ------------------------------------------------ Date Begin Max End Xray Op Region Locn 2695 MHz 8800 MHz 15.4 GHz ------ ---- ---- ---- ---- -- ------ ------ --------- --------- --------- 23 Dec: 0008 0012 0014 C1.4 SF 7640 N07E42 0018 0021 0024 C1.1 SF 7640 N07E41 0143 0149 0151 B6.2 0235 0238 0240 B6.0 0255 0300 0304 B5.5 SF 7640 N07E39 0425 0429 0431 B5.0 0526 0531 0533 C4.4 SF 7640 N07E38 75 330 310 0556 0603 0619 B8.8 0733 0743 0749 C1.0 0805 0813 0816 B9.0 0840 0841 0850 SF 7640 N06E42 0856 0904 0907 C2.9 SF 7640 N07E37 32 96 66 0950 0954 0956 C1.2 SF 7640 N07E37 1136 1139 1143 B4.3 1144 1150 1157 B6.9 1232 1236 1239 C2.9 1241 1245 1251 C1.9 SF 7640 N07E37 1305 1306 1317 SF 7640 N04E37 1437 1444 1454 C2.0 SF 7640 N05E34 1615 1623 1633 C2.9 SF 7640 N03E43 B2031 U2031 2033 SF 7640 N05E36 2254 2320 2352 C3.1 SF 7640 N06E31 150 REGION FLARE STATISTICS FOR THE PREVIOUS UTC DAY ------------------------------------------------ C M X S 1 2 3 4 Total (%) -- -- -- -- -- -- -- -- --- ------ Region 7640: 9 0 0 13 0 0 0 0 013 (59.1) Uncorrellated: 2 0 0 0 0 0 0 0 009 (40.9) Total Events: 022 optical and x-ray. EVENTS WITH SWEEPS AND/OR OPTICAL PHENOMENA FOR THE LAST UTC DAY ---------------------------------------------------------------- Date Begin Max End Xray Op Region Locn Sweeps/Optical Observations ------ ---- ---- ---- ---- -- ------ ------ --------------------------- 23 Dec: 0018 0021 0024 C1.1 SF 7640 N07E41 III 0255 0300 0304 B5.5 SF 7640 N07E39 III 0526 0531 0533 C4.4 SF 7640 N07E38 III NOTES: All times are in Universal Time (UT). Characters preceding begin, max, and end times are defined as: B = Before, U = Uncertain, A = After. All times associated with x-ray flares (ex. flares which produce associated x-ray bursts) refer to the begin, max, and end times of the x-rays. Flares which are not associated with x-ray signatures use the optical observations to determine the begin, max, and end times. Acronyms used to identify sweeps and optical phenomena include: II = Type II Sweep Frequency Event III = Type III Sweep IV = Type IV Sweep V = Type V Sweep Continuum = Continuum Radio Event Loop = Loop Prominence System, Spray = Limb Spray, Surge = Bright Limb Surge, EPL = Eruptive Prominence on the Limb. SPECIAL INSERT: CURRENT X-RAY EMISSIONS FROM THE JAPANESE YOHKOH SPACECRAFT =========================================================================== 24 December 1993, 05:40 UTC North ..,,::::::::::::::::,,....... . ... ............,,,:::::::::::::::::::::,,,,:::::,,,,,.... ....,,,,,,....,,,,,::::::,,,,,,,,,:,:,,,,,:::;;;:::,,,.... .....,,,,,,......,,,,,:::::::::::,,,,,,,,,,,,,,,,,,::::::,,,.... .....,,,,:::,,,,,....,,::::,::::::::::::,::::,,,:,,,,,,,,::;;::,,,.... . ...,,:::::::::::::,,,,,:::::::::;:::::::::::::::,,,::,,,,,,::;;:::,,,..... ..,,,::;;;;::;;-----;:,,::::;;;;;-;;:::::::::::::::,,,,,,,,,,:,:;;;;;:,,.,.. ...,,::;;;;;;;;+++++|||+-;;;::;;------;;;;;;;;;::::::::,,,,,,,,,,,,;++-;::,,,, ...,,::;;;::;;;;!11111111!||||+-;--++||+--;;-;;;:::::::::::,,,,::,,,,;|+-;;:::: .,,::;---;:,::;;!33222223321!111!+---+++||+----;;;;:;;;;;;;;:::::,,,,:;|+-;;;:: .,::;---;;::::;+2444*44##*42!11222!;;-+-++++++++----;;;::;;;;:;;;;:::::+|+--;:: ,::;;----;::::-|!23#@@@@@*32222222!-;;-------------;;::;;;;;;;;--;;;::::|++-;:: ,:;;-+++--;;;;-|124**##@@@4322211!+;;--------;;::::::;--------|||++;::::-|+-;:: :;;--++++-;;;;-!3334*43221!!!!!|||-;;;;;;;;;;::,,,:::;;;;;;-+!242|+;:::,:|+-;;: :;--+|||+-:::;;|!11111!!|||+|||+-;;::::::::::::,,,::::::::::-!1!!1+;:,,,,+--;:: ;;-+|!!!|-::::;---+++||+|+++--;;::::::,,,,,:,:,,:,:::::,:,,:;-----;;,..,:--;::: ;--+|!11!+;::;-;-++------;;;;:::::,,,,,,::,,,,,,,,,,,,,,,,,,,::::,,...,,;|-;::, :;;-+!22!|21-++++!1|-;;;;;::::,:,,,,,,::::,,....... ..,,,,,,,::,,.....,:;-;::,, :;--|!232|!1----+||+-;;;;::::::,,,,,::::::,::,... .......,...,,....,,,:;;:,,.. ;;-+||!1!+-;;;;;;;;;;;;;;:::,,:::,:::::::,,,.. ........:.,,..,,...,,;:,,.... ;;-+++|||+;:::::;;;;;;;;::::,,,,,::::::,,,,,,.......,.....,,,,,...,.,,:::,..... :;;---+++++;;-;;;;;;;;;:::,,,,,::,,,,,,,.,................,.,.,,,.,,:;::,...... ::;;;----+++-;;;;;;;;::::,,,,,:::,,,,..,............,.......,...,,,:::,,,...... ,:::;;;----++-;;;::::::,,,::,::,,,,,,......,.................,:,,:;::,,,... ,,,:::;;;;------;:::::::::::::,,,,,,,,,.........,......,....,,,,,::,,,... .,,,,::::;;;;;;---;;::::::::::,:,:,,....,................,.,,,,,.... ..,,,,,,:::::;;;------;;::::,,,,:,,.. ..... .....,,,,,::::;;;;-------;:,. ... , ....,,.,,,,,:::;;;;;;;;;:::::,,.. ........,,,,,,,,,,,,,,,,,,,,... . ............... . ... South KEY: East and west limbs are to the left and right respectively. Emission strength, from minimum to maximum are coded in the following way: [space] . , : ; - + | ! 1 2 3 4 * # @ Units used are arbitrary, for illustrative purposes. Get "showasc.zip" from "pub/solar/Software" at the anonymous FTP site: ftp.uleth.ca (IP # 142.66.3.29) to view these images on VGA screens. ** End of Daily Report ** ------------------------------ Date: Wed, 22 Dec 1993 09:13:05 From: library.ucla.edu!europa.eng.gtefsd.com!news.umbc.edu!eff!news.kei.com!news.oc.com!utacfd.uta.edu!rwsys!ocitor!FredGate@network.ucsd.edu Subject: HDN Releases To: info-hams@ucsd.edu The following files were processed Wednesday 12-22-93: HAMNEWS [ HAM: Bulletins and Newsletters ] ---------------------------------------------------------------------- ARLB117.LZH ( 687 bytes) ARRL Bulletin 12/20/93 RTDX1217.LZH ( 2323 bytes) RTTY DX Bulletin 12/17/93 ---------------------------------------------------------------------- 3010 bytes in 2 file(s) HAMPACK [ HAM: Packet Communications programs ] ---------------------------------------------------------------------- 140XPCOM.ZIP ( 623973 bytes) V1.4 Packet program W/enhanced features by KF7XP HAMCOM.ZIP ( 76121 bytes) Packet program for pk232 w/voice synthesizer output by AE6G TFPCX210.ZIP ( 153233 bytes) TFPCX v2.1 - The Firmware PC Extented by DG0FT Resident AX.25 -Controller for PC and BayCom Modem USCC-Board, KISS, with WA8DED Host mode Interface ---------------------------------------------------------------------- 853327 bytes in 3 file(s) HAMSAT [ HAM: Satellite tracking and finding programs ] ---------------------------------------------------------------------- AMSAT351.LZH ( 4775 bytes) AMSAT Bulletin # 351 12/18/93 ARLK053.LZH ( 1925 bytes) ARRL Keps 12/118/93 OBS351.LZH ( 4083 bytes) Amsat Orbital Elements # 351 12/17/93 SPC1220.LZH ( 2825 bytes) SPACE Bulletin 12/20/93 ---------------------------------------------------------------------- 13608 bytes in 4 file(s) Total of 869945 bytes in 9 file(s) Files are available via Anonymous-FTP from ftp.fidonet.org IP NET address 140.98.2.1 Directories are: pub/fidonet/ham/hamnews (Bulletins) /hamant (Antennas) /hamsat (Sat. prg/Amsat Bulletins) /hampack (Packet) /hamelec (Formulas) /hamtrain (Training Material) /hamlog (Logging Programs) /hamcomm (APLink/JvFax/Rtty/etc) /hammods (Equip modification) /hamswl (SWBC Skeds/Frequencies) /hamscan (Scanner Frequencies) /hamutil (Operating aids/utils) /hamsrc (Source code to programs) /hamdemo (Demos of new ham software) /hamnos (TCP/IP and NOS related software) Files may be downloaded via land-line at (214) 226-1181 or (214) 226-1182. 1.2 to 16.8K, 23 hours a day . When ask for Full Name, enter: Guest;guest <return> lee - wa5eha Ham Distribution Net * Origin: Ham Distribution Net Coordinator / Node 1 (1:124/7009) ------------------------------ Date: Sat, 25 Dec 1993 00:07:54 GMT From: swrinde!cs.utexas.edu!math.ohio-state.edu!darwin.sura.net!perot.mtsu.edu!raider!theporch!jackatak!martinbw@network.ucsd.edu Subject: Repeater database? To: info-hams@ucsd.edu mkb@cs.cmu.edu (Mike Blackwell) writes: > > Is a database of (US) repeaters available (for free or licensable)? > Something like what's used to generate the ARRL repeater directory > is what I'm interested in - presumably it's in some electronic form > already. Any leads greatly appreciated. > > Mike Blackwell -- ke3ig -- mkb@cs.cmu.edu > > I have asked for this info before without a response. I am also interested in this information. I still buy the repeater directory but would like to also have an electronic eddition to make a custom sheet of repeaters for a trip. 73 de Bruce/KQ4TV ************************************************************************* * Bruce W. Martin Internet: martinbw@jackatak.raider.net * * 4558 Brooke Valley Dr. AOL: Dragon16 * * Hermitage TN 37076-2650 HAM Call: KQ4TV * * Voice: (615) 872-9942 Work: (615) 244-2022 * * FAX/MODEM: (615) 885-4182 * ************************************************************************* ------------------------------ Date: Thu, 23 Dec 1993 18:08:02 MST From: library.ucla.edu!news.mic.ucla.edu!unixg.ubc.ca!nntp.cs.ubc.ca!alberta!adec23!ve6mgs!usenet@network.ucsd.edu Subject: Weekly Solar Terrestrial Forecast & Review for 23 December To: info-hams@ucsd.edu --- SOLAR TERRESTRIAL FORECAST AND REVIEW --- December 24, 1993 to January 02, 1994 Report Released by Solar Terrestrial Dispatch P.O. Box 357, Stirling, Alberta, Canada T0K 2E0 Accessible BBS System: (403) 756-3008 --------- SOLAR AND GEOPHYSICAL ACTIVITY FORECASTS AT A GLANCE ---------------------------------------------------- |10.7 cm|HF Propagation +/- CON|SID AU.BKSR DX| Mag| Aurora | |SolrFlx|LO MI HI PO SWF %MUF %|ENH LO MI HI LO MI HI %|K Ap|LO MI HI| --|-------|-----------------------|-------------------------|----|--------| 24| 107 | G G F F 40 -10 70| 35 NA NA NA 00 05 15 30|2 10|NV NV LO| 25| 110 | G G F F 40 -10 70| 35 NA NA NA 00 05 15 30|2 07|NV NV LO| 26| 112 | G G F F 50 -10 70| 40 NA NA NA 01 10 20 30|2 07|NV NV LO| 27| 115 | G G F F 50 -10 70| 40 NA NA NA 01 10 20 30|2 10|NV NV LO| 28| 115 | G G P F 50 -10 65| 40 NA NA NA 02 15 25 30|3 15|NV NV MO| 29| 118 | G G VP P 50 -25 65| 40 NA NA NA 03 20 35 25|4 25|NV LO MO| 30| 120 | G G P P 50 -20 65| 40 NA NA NA 02 15 30 25|4 20|NV LO MO| 31| 120 | G G P P 50 -15 65| 40 NA NA NA 02 10 25 30|3 12|NV NV MO| |-------------------------- Happy New Year -----------------------------| 01| 120 | G G F F 50 -10 65| 40 NA NA NA 02 05 15 30|3 10|NV NV LO| 02| 115 | G G F F 40 -10 65| 30 NA NA NA 02 05 15 30|2 08|NV NV LO| PEAK PLANETARY 10-DAY GEOMAGNETIC ACTIVITY OUTLOOK (24 DEC - 02 JAN) ________________________________________________________________________ | EXTREMELY SEVERE | | | | | | | | | | | HIGH | | VERY SEVERE STORM | | | | | | | | | | | HIGH | | SEVERE STORM | | | | | | | | | | | MODERATE | | MAJOR STORM | | | | | | | | | | | LOW - MOD. | | MINOR STORM | | | | | | | | | | | LOW | | VERY ACTIVE | | | | | |** | * | | | | NONE | | ACTIVE | | | | | * |***|***| * | | | NONE | | UNSETTLED |** |** |** |** |***|***|***|***|***|** | NONE | | QUIET |***|***|***|***|***|***|***|***|***|***| NONE | | VERY QUIET |***|***|***|***|***|***|***|***|***|***| NONE | |-------------------|---|---|---|---|---|---|---|---|---|---|------------| | Geomagnetic Field |Fri|Sat|Sun|Mon|Tue|Wed|Thu|Fri|Sat|Sun| Anomaly | | Conditions | Given in 8-hour UT intervals | Intensity | |________________________________________________________________________| CONFIDENCE LEVEL: 70% NOTES: Predicted geomagnetic activity is based heavily on recurrent phenomena. Transient energetic solar events cannot be predicted reliably over periods in excess of several days. Hence, there may be some deviations from the predictions due to the unpredictable transient solar component. 60-DAY GRAPHICAL ANALYSIS OF GEOMAGNETIC ACTIVITY ____________________________________________________________ 77 | J | 73 | J | 69 | J | 65 | J | 62 | J | 58 | J | 54 | J | 50 | J J | 46 | J J | 42 | J J | 39 | M J M J | 35 | M J MM J | 31 | M J MM J | 27 | A M JAA MM J | 23 | A M JAA MM J | 19 | A M JAA A AMM J | 15 | AAMA JAAA AA AMM AJ AA | 12 | AAMA JAAAU AA AMM AJ AAU U | 8 |UAAMAU U UJAAAUUU UUUU AAU U U AMMUU AJ U UAAUUUUU| 4 |UAAMAUQUUQUJAAAUUUQQUUUUQAAUQQQQQUQQUQAMMUUQAJQUUUQQUAAUUUUU| 0 |UAAMAUQUUQUJAAAUUUQQUUUUQAAUQQQQQUQQUQAMMUUQAJQUUUQQUAAUUUUU| ------------------------------------------------------------ Chart Start Date: Day #297 NOTES: This graph is determined by plotting the greater of either the planetary A-index or the Boulder A-index. Graph lines are labelled according to the severity of the activity which occurred on each day. The left- hand column represents the associated A-Index for that day. Q = Quiet, U = Unsettled, A = Active, M = Minor Storm, J = Major Storm, and S = Severe Storm. CUMULATIVE GRAPHICAL CHART OF THE 10.7 CM SOLAR RADIO FLUX ---------------------------------------------------------- ____________________________________________________________ 110 | | 109 | * | 108 | * | 107 | * * | 106 | * * * | 105 | * ** ** | 104 | ***** ** | 103 | * ***** *** | 102 | * * ***** *** | 101 | * ** ********* | 100 | ****** ** ********* *| 099 | ****** *** ********* *| 098 | ****** *** ********** *| 097 | * *********** ********** *| 096 | *** *********** *********** *| 095 | **** *********** *********** *| 094 | ***** ************* ************ *| 093 | ****** ************** ************** **| 092 |* * ******* ************** ************** **| 091 |* *********** *************** *************** ***| 090 |* ************* ******************************* ***| 089 |* * ********************************************* ***| 088 |* * ************************************************ ***| 087 |**************************************************** ****| 086 |**************************************************** ****| 085 |****************************************************** *****| 084 |************************************************************| 083 |************************************************************| ------------------------------------------------------------ Chart Start: Day #297 GRAPHICAL ANALYSIS OF 90-DAY AVERAGE SOLAR FLUX ----------------------------------------------- ____________________________________________________________ 099 | | 098 | **********| 097 | ****************| 096 | *******************| 095 | ***********************| 094 |********* ***** ***********************************| 093 |************************************************************| 092 |************************************************************| ------------------------------------------------------------ Chart Start: Day #297 NOTES: The 10.7 cm solar radio flux is plotted from data reported by the Penticton Radio Observatory (formerly the ARO from Ottawa). High solar flux levels denote higher levels of activity and a greater number of sunspot groups on the Sun. The 90-day mean solar flux graph is charted from the 90-day mean of the 10.7 cm solar radio flux. CUMULATIVE GRAPHICAL CHART OF SUNSPOT NUMBERS --------------------------------------------- ____________________________________________________________ 105 | | 101 | * | 097 | ** ** * | 093 | ** ** ** | 089 | *** ***** | 085 | ********* | 081 | ********** | 077 | * * *********** | 073 | ** * ************ | 069 | * **** ************ | 065 | *** **** ************ | 061 |**** ***** ************ *| 057 |**** * ******* ************** *| 053 |**** ********* *************** * *| 049 |**** ************************* * * *| 045 |***** * ************************** ** ***| 041 |***** * **** *************************** ** ***| 037 |****** * **** ** **************************** ** ***| 033 |****** ** **** ** ***************************** * ** ***| 029 |********* **** ** ****************************** * *** ***| 025 |********** ******** ****************************** * *******| 021 |********** ******** ****************************************| 017 |******************* ****************************************| 013 |************************************************************| ------------------------------------------------------------ Chart Start: Day #297 NOTES: The graphical chart of sunspot numbers is created from the daily sunspot number counts as reported by the SESC. HF RADIO SIGNAL PROPAGATION PREDICTIONS (24 DEC - 02 JAN) High Latitude Paths ________________________________________________________ | EXTREMELY GOOD | | | | | | | | | | | | VERY GOOD | | | | | | | | | | | CONFIDENCE | GOOD | | | | | | | | | | | LEVEL | FAIR | **| **| **| **| * | | | * | * | **| ------- | POOR |* |* |* |* |* *| **|***|* *|* *|* | 65% | VERY POOR | | | | | |* | | | | | | EXTREMELY POOR | | | | | | | | | | | |----------------|---|---|---|---|---|---|---|---|---|---| | PROPAGATION |Fri|Sat|Sun|Mon|Tue|Wed|Thu|Fri|Sat|Sun| | QUALITY | Given in 8 Local-Hour Intervals | -------------------------------------------------------- Middle Latitude Paths ________________________________________________________ | EXTREMELY GOOD | | | | | | | | | | | | VERY GOOD | | | | | | | | | | | CONFIDENCE | GOOD |***|***|***|***|***| **| **|***|***|***| LEVEL | FAIR | | | | | |* |* | | | | ------- | POOR | | | | | | | | | | | 65% | VERY POOR | | | | | | | | | | | | EXTREMELY POOR | | | | | | | | | | | |----------------|---|---|---|---|---|---|---|---|---|---| | PROPAGATION |Fri|Sat|Sun|Mon|Tue|Wed|Thu|Fri|Sat|Sun| | QUALITY | Given in 8 Local-Hour Intervals | -------------------------------------------------------- Low Latitude Paths ________________________________________________________ | EXTREMELY GOOD | | | | | | | | | | | | VERY GOOD | | | | | | | | | | | CONFIDENCE | GOOD |***|***|***|***|***|***|***|***|***|***| LEVEL | FAIR | | | | | | | | | | | ------- | POOR | | | | | | | | | | | 70% | VERY POOR | | | | | | | | | | | | EXTREMELY POOR | | | | | | | | | | | |----------------|---|---|---|---|---|---|---|---|---|---| | PROPAGATION |Fri|Sat|Sun|Mon|Tue|Wed|Thu|Fri|Sat|Sun| | QUALITY | Given in 8 Local-Hour Intervals | -------------------------------------------------------- NOTES: NORTHERN HEMISPHERE SOUTHERN HEMISPHERE High latitudes >= 55 deg. N. | High latitudes >= 55 deg. S. Middle latitudes >= 40 < 55 deg. N. | Middle latitudes >= 30 < 55 deg. S. Low latitudes < 40 deg. N. | Low latitudes < 30 deg. S. POTENTIAL VHF DX PROPAGATION PREDICTIONS (24 DEC - 02 JAN) INCLUDES SID AND AURORAL BACKSCATTER ENHANCEMENT PREDICTIONS HIGH LATITUDES __________________________________________________ ___________________ | FORECAST | Given in 8 hour local time intervals | |SWF/SID ENHANCEMENT| |CONFIDENCE|Fri|Sat|Sun|Mon|Tue|Wed|Thu|Fri|Sat|Sun| |F|S|S|M|T|W|T|F|S|S| |__________|___|___|___|___|___|___|___|___|___|___| |-|-|-|-|-|-|-|-|-|-| | 0% |***|***|***|***|***|***|***|***|***|***| 0%|*|*|*|*|*|*|*|*|*|*| | 20% |***|***|***|***|***|***|***|***|***|***| 20%|*|*|*|*|*|*|*|*|*|*| | 40% |***|***|***|***|***|***|***|***|***|***| 40%| | | | | | | | | | | | 60% | * | * | * | * | * | * | * | * | * | * | 60%| | | | | | | | | | | | 80% | | | | | | | | | | | 80%| | | | | | | | | | | | 100% | | | | | | | | | | |100%| | | | | | | | | | | |==========|===|===|===|===|===|===|===|===|===|===| |-------------------| | 100% | | | | | | | | | | |100%| | | | | | | | | | | | 80% | | | | | | | | | | | 80%| | | | | | | | | | | | 60% | | | | | | | | | | | 60%| | | | | | | | | | | | 40% | * | * | * | * | * | * | * | * | * | * | 40%| | | | | | | | | | | | 20% |***|***|***|***|***|***|***|***|***|***| 20%| | | | | |*|*| | | | | 0% |***|***|***|***|***|***|***|***|***|***| 0%|*|*|*|*|*|*|*|*|*|*| |----------|---|---|---|---|---|---|---|---|---|---| |-|-|-|-|-|-|-|-|-|-| |CHANCE OF |Fri|Sat|Sun|Mon|Tue|Wed|Thu|Fri|Sat|Sun| |F|S|S|M|T|W|T|F|S|S| | VHF DX | Given in 8 hour local time intervals | |AURORAL BACKSCATTER| |__________|_______________________________________| |___________________| MIDDLE LATITUDES __________________________________________________ ___________________ | FORECAST | Given in 8 hour local time intervals | |SWF/SID ENHANCEMENT| |CONFIDENCE|Fri|Sat|Sun|Mon|Tue|Wed|Thu|Fri|Sat|Sun| |F|S|S|M|T|W|T|F|S|S| |__________|___|___|___|___|___|___|___|___|___|___| |-|-|-|-|-|-|-|-|-|-| | 0% |***|***|***|***|***|***|***|***|***|***| 0%|*|*|*|*|*|*|*|*|*|*| | 20% |***|***|***|***|***|***|***|***|***|***| 20%|*|*|*|*|*|*|*|*|*|*| | 40% |***|***|***|***|***|***|***|***|***|***| 40%|*|*|*|*|*|*|*|*|*|*| | 60% |***|***|***|***|***|***|***|***|***|***| 60%| | | | | | | | | | | | 80% | | | | | | | | | | | 80%| | | | | | | | | | | | 100% | | | | | | | | | | |100%| | | | | | | | | | | |==========|===|===|===|===|===|===|===|===|===|===| |-------------------| | 100% | | | | | | | | | | |100%| | | | | | | | | | | | 80% | | | | | | | | | | | 80%| | | | | | | | | | | | 60% | | | | | | | | | | | 60%| | | | | | | | | | | | 40% | **| **| **| **| **| * | * | * | **| **| 40%| | | | | | | | | | | | 20% |***|***|***|***|***|***|***|***|***|***| 20%| | | | | | | | | | | | 0% |***|***|***|***|***|***|***|***|***|***| 0%|*|*|*|*|*|*|*|*|*|*| |----------|---|---|---|---|---|---|---|---|---|---| |-|-|-|-|-|-|-|-|-|-| |CHANCE OF |Fri|Sat|Sun|Mon|Tue|Wed|Thu|Fri|Sat|Sun| |F|S|S|M|T|W|T|F|S|S| | VHF DX | Given in 8 hour local time intervals | |AURORAL BACKSCATTER| |__________|_______________________________________| |___________________| LOW LATITUDES __________________________________________________ ___________________ | FORECAST | Given in 8 hour local time intervals | |SWF/SID ENHANCEMENT| |CONFIDENCE|Fri|Sat|Sun|Mon|Tue|Wed|Thu|Fri|Sat|Sun| |F|S|S|M|T|W|T|F|S|S| |__________|___|___|___|___|___|___|___|___|___|___| |-|-|-|-|-|-|-|-|-|-| | 0% |***|***|***|***|***|***|***|***|***|***| 0%|*|*|*|*|*|*|*|*|*|*| | 20% |***|***|***|***|***|***|***|***|***|***| 20%|*|*|*|*|*|*|*|*|*|*| | 40% |***|***|***|***|***|***|***|***|***|***| 40%| | | | | | | | | | | | 60% |***|***|***|***|***|***|***|***|***|***| 60%| | | | | | | | | | | | 80% | | | | | | | | | | | 80%| | | | | | | | | | | | 100% | | | | | | | | | | |100%| | | | | | | | | | | |==========|===|===|===|===|===|===|===|===|===|===| |-------------------| | 100% | | | | | | | | | | |100%| | | | | | | | | | | | 80% | | | | | | | | | | | 80%| | | | | | | | | | | | 60% | * | * | * | * | * | * | * | * | * | * | 60%| | | | | | | | | | | | 40% |***|***|***|***|***|***|***|***|***|***| 40%| | | | | | | | | | | | 20% |***|***|***|***|***|***|***|***|***|***| 20%| | | | | | | | | | | | 0% |***|***|***|***|***|***|***|***|***|***| 0%|*|*|*|*|*|*|*|*|*|*| |----------|---|---|---|---|---|---|---|---|---|---| |-|-|-|-|-|-|-|-|-|-| |CHANCE OF |Fri|Sat|Sun|Mon|Tue|Wed|Thu|Fri|Sat|Sun| |F|S|S|M|T|W|T|F|S|S| | VHF DX | Given in 8 hour local time intervals | |AURORAL BACKSCATTER| |__________|_______________________________________| |___________________| NOTES: These VHF DX prediction charts are defined for the 30 MHz to 220 MHz bands. They are based primarily on phenomena which can affect VHF DX propagation globally. They should be used only as a guide to potential DX conditions on VHF bands. Latitudinal boundaries are the same as those for the HF predictions charts. AURORAL ACTIVITY PREDICTIONS (24 DEC - 02 JAN) High Latitude Locations ________________________________________________________ | EXTREMELY HIGH | | | | | | | | | | | CONFIDENCE | VERY HIGH | | | | | | | | | | | LEVEL | HIGH | | | | | | | | | | | ------- | MODERATE | | | | | * | * | | | | | 70% | LOW | * | * | * |***|***|***|***| * | * | * | | NOT VISIBLE |***|***|***|***|***|***|***|***|***|***| |----------------|---|---|---|---|---|---|---|---|---|---| | AURORAL |Fri|Sat|Sun|Mon|Tue|Wed|Thu|Fri|Sat|Sun| | INTENSITY | Eve.Twilight/Midnight/Morn.Twilight | -------------------------------------------------------- Middle Latitude Locations ________________________________________________________ | EXTREMELY HIGH | | | | | | | | | | | CONFIDENCE | VERY HIGH | | | | | | | | | | | LEVEL | HIGH | | | | | | | | | | | ------- | MODERATE | | | | | | | | | | | 65% | LOW | | | | | * | * | | | | | | NOT VISIBLE |***|***|***|***|***|***|***|***|***|***| |----------------|---|---|---|---|---|---|---|---|---|---| | AURORAL |Fri|Sat|Sun|Mon|Tue|Wed|Thu|Fri|Sat|Sun| | INTENSITY | Eve.Twilight/Midnight/Morn.Twilight | -------------------------------------------------------- Low Latitude Locations ________________________________________________________ | EXTREMELY HIGH | | | | | | | | | | | CONFIDENCE | VERY HIGH | | | | | | | | | | | LEVEL | HIGH | | | | | | | | | | | ------- | MODERATE | | | | | | | | | | | 75% | LOW | | | | | | | | | | | | NOT VISIBLE |***|***|***|***|***|***|***|***|***|***| |----------------|---|---|---|---|---|---|---|---|---|---| | AURORAL |Fri|Sat|Sun|Mon|Tue|Wed|Thu|Fri|Sat|Sun| | INTENSITY | Eve.Twilight/Midnight/Morn.Twilight | -------------------------------------------------------- NOTE: Version 2.00b of our Professional Dynamic Auroral Oval Simulation Software Package is now available. This professional software is particularly valuable to radio communicators, aurora photographers, educators, and astronomers. For more information regarding this software, contact: "Oler@Rho.Uleth.CA", or "COler@Solar.Stanford.Edu". For more information regarding these charts, send a request for the document, "Understanding Solar Terrestrial Reports" to: "Oler@Rho.Uleth.Ca" or to: "COler@Solar.Stanford.Edu". This document, as well as others and related data/forecasts exist on the STD BBS at: (403) 756-3008. ** End of Report ** ------------------------------ End of Info-Hams Digest V93 #1508 ****************************** ******************************