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1994-11-13
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27KB
Date: Sat, 13 Aug 94 01:28:45 PDT
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 V94 #908
To: Info-Hams
Info-Hams Digest Sat, 13 Aug 94 Volume 94 : Issue 908
Today's Topics:
ARLP033 Propagation de KT7H
Bearcat 101
CHU Digital Transmission Format?
Daily Summary of Solar Geophysical Activity for 11 August
Interference to X-10 home automation?
Mobile radio in Acura Integra?
NEED! Technics Manual/Circuit RS-B48R
Qs on no code FCC license and Hardware
RF hazards
TNC construction article
VE8KM 6M beacon
VK2WI Weekly News, 7th August, 1994
W2NSD
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: Fri, 12 Aug 1994 18:41:33 MDT
From: ihnp4.ucsd.edu!dog.ee.lbl.gov!overload.lbl.gov!agate!howland.reston.ans.net!usc!nic-nac.CSU.net!charnel.ecst.csuchico.edu!psgrain!nntp.cs.ubc.ca!alberta!ve6mgs!usenet@network.ucsd.edu
Subject: ARLP033 Propagation de KT7H
To: info-hams@ucsd.edu
SB PROP @ ARL $ARLP033
ARLP033 Propagation de KT7H
ZCZC AP47
QST de W1AW
Propagation Forecast Bulletin 33 ARLP033
>From Tad Cook, KT7H
Seattle, WA August 12, 1994
To all radio amateurs
SB PROP ARL ARLP033
ARLP033 Propagation de KT7H
Solar activity is still low. Don't expect much improvement over the
next few years. We can expect a slight improvement in the short
term over the solar flux values in the mid seventies that we have
had lately. Around August 21 through 24 the flux is expected to
climb up to around 90.
Recently geomagnetic disturbances have been low, but currently we
are experiencing slightly disturbed conditions from a recurring
coronal hole. This may continue for a few more days.
Sunspot Numbers from August 4 through 10 were 21, 27, 29, 18, 18, 18
and 33, with a mean of 23.4. 10.7 cm flux was 75.2, 75.7, 75.3,
75.8, 73.8, 73.5 and 77.6, with a mean of 75.3.
The path projection for this week is from the center of the United
States to Central Europe.
80 meters should be open from 0200z to 0430z, and 40 meters from
0030z to 0530z. 30 meters looks good from 0500z to 0700z, and again
from 2230z to 0130z. 20 meters should be open most days from 1830z
to 2330z, with the best time around 2130z or 2200z. The bands above
20 meters do not look good at this time.
NNNN
/EX
------------------------------
Date: 8 Aug 1994 01:44:04 GMT
From: ankh.iia.org!ralph.vnet.net!raykale@uunet.uu.net
Subject: Bearcat 101
To: info-hams@ucsd.edu
Robert E Langley (relangl0@sacam.OREN.ORTN.EDU) wrote:
: : This radio is about twenty years old or more. It has 18 channels and an
: : LED light for each channel along with a three position switch under
: each light. In the bottom right are two switches for programming.
: : Does anyone remember this radio and how to program it?
: Thanks
: relangl0@sacam.oren.ortn.edu
Bob,
Is this a xtal operated radio?
Ray
------------------------------
Date: 12 Aug 1994 20:50:07 GMT
From: newsgate.watson.ibm.com!watnews.watson.ibm.com!usenet@uunet.uu.net
Subject: CHU Digital Transmission Format?
To: info-hams@ucsd.edu
In <CuEI0F.F1o@cs.dal.ca>, aa770@cfn.cs.dal.ca (Robert Harpelle) writes:
>Robert G. Schaffrath (RGS@gfimda.UUCP) wrote:
>: I read here recently that CHU in Canada digitally broadcasts the time between
>: the 30 and 40 second marks. Does anyone on here know the format of the data? I
>: recalled that the encoding is Bell 103 (300 baud) so I tried hooking up an old
------------------------------
Date: Fri, 12 Aug 1994 02:31:42 MDT
From: ihnp4.ucsd.edu!library.ucla.edu!csulb.edu!nic-nac.CSU.net!charnel.ecst.csuchico.edu!yeshua.marcam.com!zip.eecs.umich.edu!newsxfer.itd.umich.edu!nntp.cs.ubc.ca!alberta!ve6mgs!usenet@@.
Subject: Daily Summary of Solar Geophysical Activity for 11 August
To: info-hams@ucsd.edu
/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\
DAILY SUMMARY OF SOLAR GEOPHYSICAL ACTIVITY
11 AUGUST, 1994
/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\
(Based In-Part On SESC Observational Data)
SOLAR AND GEOPHYSICAL ACTIVITY INDICES FOR 11 AUGUST, 1994
----------------------------------------------------------
!!BEGIN!! (1.0) S.T.D. Solar Geophysical Data Broadcast for DAY 223, 08/11/94
10.7 FLUX=076.7 90-AVG=079 SSN=037 BKI=4433 3323 BAI=017
BGND-XRAY=A3.0 FLU1=5.2E+05 FLU10=1.4E+04 PKI=3333 3333 PAI=016
BOU-DEV=046,048,026,028,038,035,011,021 DEV-AVG=031 NT SWF=00:000
XRAY-MAX= B1.2 @ 0123UT XRAY-MIN= A2.5 @ 1033UT XRAY-AVG= A4.3
NEUTN-MAX= +001% @ 1300UT NEUTN-MIN= -003% @ 2110UT NEUTN-AVG= -0.7%
PCA-MAX= +0.3DB @ 1520UT PCA-MIN= -0.1DB @ 2340UT PCA-AVG= +0.0DB
BOUTF-MAX=55232NT @ 1223UT BOUTF-MIN=55191NT @ 1701UT BOUTF-AVG=55216NT
GOES7-MAX=P:+000NT@ 0000UT GOES7-MIN=N:+000NT@ 0000UT G7-AVG=+066,+000,+000
GOES6-MAX=P:+125NT@ 1947UT GOES6-MIN=N:-031NT@ 0023UT G6-AVG=+094,+031,-014
FLUXFCST=STD:077,077,077;SESC:077,077,077 BAI/PAI-FCST=020,015,015/020,015,015
KFCST=3335 4323 4343 2132 27DAY-AP=017,026 27DAY-KP=4332 3334 5435 4333
WARNINGS=
ALERTS=
!!END-DATA!!
NOTE: The Effective Sunspot Number for 10 AUG 94 was 26.7.
The Full Kp Indices for 10 AUG 94 are: 3- 2- 3+ 2- 4- 4o 4o 3-
The 3-Hr Ap Indices for 10 AUG 94 are: 11 7 18 7 25 27 29 11
Greater than 2 MeV Electron Fluence for 11 AUG is: 4.6E+06
SYNOPSIS OF ACTIVITY
--------------------
Solar activity continued very low. Region 7762 (N04W51)
showed trailer decay. A small H-class spot rotated around the
east limb and was numbered as new Region 7764 (S05E68).
Solar activity forecast: solar activity should continue
at the very low level. There is a slight probability of a
C-class flare from either Region 7762 or 7764.
The geomagnetic field was mostly unsettled to active. Some
high latitude sites experienced brief periods of minor storming
in the 1200-1500Z reporting period. Energetic electron fluxes
began to increase near 1300Z and reached moderate levels at the
end of the period.
Geophysical activity forecast: the geomagnetic field
should be unsettled to active on 12 Aug. Mostly unsettled
conditions are forecast for 13-14 Aug but isolated active
intervals are likely during that time. Energetic electron
fluxes at geosynchronous orbit could reach high levels on
12 Aug.
Event probabilities 12 aug-14 aug
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF Green
Geomagnetic activity probabilities 12 aug-14 aug
A. Middle Latitudes
Active 40/35/30
Minor Storm 20/15/10
Major-Severe Storm 10/05/01
B. High Latitudes
Active 45/40/35
Minor Storm 20/20/15
Major-Severe Storm 10/10/05
HF propagation conditions were unsettled during the first
half of the UTC day. Transauroral night-sector circuits
experienced periods of minor signal degradation, but most other
regions were near-normal. By the end of the UTC day, most
regions, including night-sector transauroral circuits were
near-normal. Slight signal degradation can still be
periodically expected over the night-sector high-latitude
regions over the next 24 to 48 hours. Most other regions
should continue to see near-normal propagation.
COPIES OF JOINT USAF/NOAA SESC SOLAR GEOPHYSICAL REPORTS
========================================================
REGIONS WITH SUNSPOTS. LOCATIONS VALID AT 11/2400Z AUGUST
---------------------------------------------------------
NMBR LOCATION LO AREA Z LL NN MAG TYPE
7762 N04W52 114 0100 CSO 06 005 BETA
7763 S12W31 093 0000 AXX 01 001 ALPHA
7764 S05E67 355 0060 HSX 02 001 ALPHA
REGIONS DUE TO RETURN 12 AUGUST TO 14 AUGUST
NMBR LAT LO
NONE
LISTING OF SOLAR ENERGETIC EVENTS FOR 11 AUGUST, 1994
-----------------------------------------------------
BEGIN MAX END RGN LOC XRAY OP 245MHZ 10CM SWEEP SWF
NO EVENTS OBSERVED
POSSIBLE CORONAL MASS EJECTION EVENTS FOR 11 AUGUST, 1994
---------------------------------------------------------
ISOLATED HOLES AND POLAR EXTENSIONS
EAST SOUTH WEST NORTH CAR TYPE POL AREA OBSN
NO DATA AVAILABLE FOR ANALYSIS
SUMMARY OF FLARE EVENTS FOR THE PREVIOUS UTC DAY
------------------------------------------------
Date Begin Max End Xray Op Region Locn 2695 MHz 8800 MHz 15.4 GHz
------ ---- ---- ---- ---- -- ------ ------ --------- --------- ---------
10 Aug: 1214 1224 1239 B1.5
2140 2144 2147 B1.1
REGION FLARE STATISTICS FOR THE PREVIOUS UTC DAY
------------------------------------------------
C M X S 1 2 3 4 Total (%)
-- -- -- -- -- -- -- -- --- ------
Uncorrellated: 0 0 0 0 0 0 0 0 002 (100.0)
Total Events: 002 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
------ ---- ---- ---- ---- -- ------ ------ ---------------------------
NO EVENTS OBSERVED.
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.
** End of Daily Report **
------------------------------
Date: Fri, 12 Aug 1994 17:07:37 GMT
From: ihnp4.ucsd.edu!dog.ee.lbl.gov!overload.lbl.gov!agate!howland.reston.ans.net!vixen.cso.uiuc.edu!usenet.ucs.indiana.edu!indyvax.iupui.edu!jsissom.dmed.iupui.edu!JAY@network.ucsd.edu
Subject: Interference to X-10 home automation?
To: info-hams@ucsd.edu
I haven't had any X-10 problems with 2M or 440 transmissions, but when my
laser printer prints, a light in the next bedroom turns on. I haven't figured
out why yet.
Jay
KA9OKT
>I suspect your friend may have other problems causing the X-10
to trigger,>like high RF levels do to antenna problems. I suspect he may also
be>having RFI problems with other devices in his house.
>I run up to a KW on 40 through 10 and have not had a problem with RF
>triggering the X-10s. Touch lamps are another story. Those darn things
>tolerate very little RF. I have had some success in keeping RF out of
>the lamps by wrapping the power cord in a toroid core (Radio Shack #273-104).
>Mike Suhar WB8GXB
>mds@meaddata.com
------------------------------
Date: Thu, 11 Aug 1994 00:58:48 GMT
From: ihnp4.ucsd.edu!swrinde!sdd.hp.com!col.hp.com!news.dtc.hp.com!hpscit.sc.hp.com!icon!greg@network.ucsd.edu
Subject: Mobile radio in Acura Integra?
To: info-hams@ucsd.edu
Well, this general topic seems to be the rage right now, so I'll ask my $.02.
I am planning on installing a mobile rig in a '94 Acura Integra GS-R. The
plan is to use a Kenwood 733, mounted under the driver seat, with the remote
display on the dash below the radio. Heavy wires (12ga?) go direct to the
battery, though I haven't found a good route yet. Each has a fuse, and the
positive goes through a relay tied to the ignition so that the radio goes off
when the engine is turned off, maybe with an override switch. I know that
Gary and others tell me to drill the hole, but I just can't do that, so for
an antenna I plan to use a Larsen dual-band glass mount on the side window
on the driver side. Mount the antenna as high as possible in the window,
yet still have the top of the antenna below the garage door - probably puts
the glass mounting thingy about in the middle of the window. Oh, and I probably
need to have the radio itself grounded where it's mounted, I expect to one of
the bolts on the seat's mounting rails.
I know this plan has compromises: antenna on the side of the car is not as
good as the middle (height restriction), on-the-glass antenna not as good
as through-the-metal, etc.
BUT - is there anything glaring that I have forgotten? I didn't see any
mention of warranty problems, and the dealer didn't know of any either,
although I didn't ask *everyone* about it, or have them sign anything.
I have read reports of problems of ignition noise, so perhaps I would need
to do some bypassing and/or ferrite-ing of the power wires. My fingers are
crossed, however, since the reports were for the 89-90 cars which were known
for having "igniter" problems.
Did I miss anything?
Thanks,
Greg KD6KGW
------------------------------
Date: 12 Aug 94 19:00:18 GMT
From: ihnp4.ucsd.edu!library.ucla.edu!csulb.edu!nic-nac.CSU.net!usc!howland.reston.ans.net!EU.net!Germany.EU.net!nntp.gmd.de!dearn!barilvm!vms.huji.ac.il!gorski@network.ucsd.edu
Subject: NEED! Technics Manual/Circuit RS-B48R
To: info-hams@ucsd.edu
The following is being sent at the request of Avi 4X6UA.
++++++++++++++++
I need a circuit diagram or preferably a service manual for a TECHNICS
model RS-B48R tape deck or similar. The manufacturer no longer holds this
information. I will be happy to defray any costs for photocopying, mailing,
etc.,. Please reply to the sender of this message, and include an address
to which I can mail a check for your expenses.
Thanks very much.
Avi Esterson, 4X6UA
+++++++++++++++
Any answers can be sent directly to him via the call-book or I will be
happy to relay any messages to him.
Thanks for any help anyone can give him.
73's and Shalom from Jerusalem
------------------------------
Date: Thu, 11 Aug 1994 14:17:59 -0700
From: ihnp4.ucsd.edu!agate!howland.reston.ans.net!swrinde!elroy.jpl.nasa.gov!lll-winken.llnl.gov!apple.com!goofy-2.apple.com!user@network.ucsd.edu
Subject: Qs on no code FCC license and Hardware
To: info-hams@ucsd.edu
I know this question has probably been ask a hundred times before but I┼am
new to amateur radio, and internet, and I┼want to know exactly what
frequencies you can operate on with the no code license. Such as 2m,
220mhz, 440mhz 6m, etc..? Also, what brand(s) of handheld and desktop
radios are the popular ones. I want something that is going to be reliable
and have user friendly features. One more thing, I need recommendations on
amateur radio and satellite magazines.
Thanks in advance.
------------------------------
Date: Fri, 12 Aug 1994 20:18:02 GMT
From: ihnp4.ucsd.edu!news.cerf.net!gopher.sdsc.edu!news.tc.cornell.edu!travelers.mail.cornell.edu!news.kei.com!world!news.bu.edu!gw1.att.com!nntpa!not-for-mail@network.ucsd.edu
Subject: RF hazards
To: info-hams@ucsd.edu
jfilner (jfilner@reed.edu) wrote:
: twp77@isuvax.iastate.edu writes:
: effects of RF. The speaker on the reciever at least is going to
Did you mean magnetic waves at audio frequencies produced by the
voice coil?
------------------------------
Date: Sat, 13 Aug 94 01:45:18 CST
From: dog.ee.lbl.gov!overload.lbl.gov!agate!howland.reston.ans.net!cs.utexas.edu!convex!news.duke.edu!news-feed-1.peachnet.edu!umn.edu!newsdist.tc.umn.edu!msus1.msus.edu!msus1@ihnp4.ucsd.edu
Subject: TNC construction article
To: info-hams@ucsd.edu
Does anybody know of a construction article for a "general purpose" TNC?
These are my reguirements:
1) Standard serial connection. (I have 4 different computers and would like
to be able to connect to all).
2) An internal processor of some type to minimize the overhead on the
computer.
If these are too strict, please let me know.
Thanks.
Bill Soranno -- KB0NKX
7 Fairfax
Winona, MN 55987
507/452-3789
------------------------------
Date: Thu, 11 Aug 1994 14:49:21 -0800
From: news.sprintlink.net!news.world.net!news.teleport.com!ip-cb.teleport.com!user@uunet.uu.net
Subject: VE8KM 6M beacon
To: info-hams@ucsd.edu
As many 6M ops know, the evening of 13 July was a good openning for US and
VE 6m stations. Here in CN85 I noticed a signal around 50.004 beaming 30
degrees at 0515Z (14 July) which I thought was a European TV signal. It
was a steady carrier, with some warble, running about S-5. About 0600Z
finally caught the id, VE8KM (DP79.) This beacon id's once every 5
minutes with " de VE8KM." This beacon was up to S-7 and did not start to
go into the noise until past 0700Z. Myself and KE7CX gave a few calls
towards Europe on 50.110 after 0500Z. I would be interested to hear if
any European 6M ops have heard this beacon this summer. TNX.
de Dave, N7DB (CN85)
--
Dave Bernhardt dbcntcas@teleport.com
------------------------------
Date: 13 Aug 1994 17:51:03 +1000
From: ihnp4.ucsd.edu!dog.ee.lbl.gov!overload.lbl.gov!agate!msuinfo!harbinger.cc.monash.edu.au!yarrina.connect.com.au!warrane.connect.com.au!kralizec.zeta.org.au!not-for-mail@network.ucsd.edu
Subject: VK2WI Weekly News, 7th August, 1994
To: info-hams@ucsd.edu
Dave VK2KFU wrote (quoting Mike Corbin VK2PFQ):
> I inform you of these things so that you can be aware of the sort
> of rubbish the "Council" is forced to put up with.
I'm glad that Uncle Mike has finally woken up to Harrison & Co., and
is starting to speak out. Perhaps now, the mushrooms out in the
country areas will start to realise what's been going on for the
last year or so.
> ...There is a
> light at the end of the tunnel,...
The light shining out of Roger Harrison's ass, I expect (though I
hope not)
> ...which leads me to what was stated
in the letter from the Divisional Barrister.
:
:
> (i) Provide for a fresh election for all Council positions. (that's
> pretty straight forward)
Just what theConcerned Amateurs group was seeking after certain people
cheated their way onto "Council" in April (thereby causing all this
legal mess.) No names of course, because that would be defamatory :-)
>(ii) Resolve that the newly elected Council NOT be required to retire
> until the Annual General Meeting in 1996.
Fine, as long as none of the above-mentioned people get in again.
Maybe then we can get back to the hobby, and those shortwave listeners
(with callsigns) who've caused this mess will find some other way
to occupy themselves..
73 de Richard VK2SKY
------------------------------
Date: Thu, 11 Aug 1994 09:41:49
From: ucsnews!newshub.sdsu.edu!nic-nac.CSU.net!charnel.ecst.csuchico.edu!yeshua.marcam.com!insosf1.infonet.net!news.i-link.com!news.sprintlink.net!indirect.com!s146.phxslip.indirect.@ihnp4.ucsd.edu
Subject: W2NSD
To: info-hams@ucsd.edu
Just a quick reminder that Wayne Green, W2NSD, will be the special
guest on the Ham Radio & More show this Sunday, 8/14/94. Wayne
will discuss his background, his opinions, and more. The show can be
heard on the Talk America Network in over 20 cities and via satellite on
Spacenet 3, Transponder 9, 6.8 audio. It airs live at 6:00pm EST. Call
602-241-1510 for more information.
If you cannot hear the show, but want to ask Wayne a question, call our
listener call-in line at 1-800-298-talk around 6:00pm EST and you can be
put on hold to hear the show until it's time to ask your question of Wayne.
He'll also be on the local show the following hour at 1-800-293-kfnn.
73, Len, KB7LPW
------------------------------
Date: (null)
From: (null)
Time and Frequency Station CHU (Canada)
Information provided by Nick Sayer (mrapple@quack.sac.ca.us)
CHU is a radio station in Canada that broadcasts time of day information
sort of like WWV. CHU transmits on 3330 kHz, 7335 kHz, and 14670 kHz
using AM compatable single-sideband full carrier modulation. Between 31
and 39 seconds (inclusive) past the minute, CHU transmits a computer
readable timecode. This timecode includes time of day UTC, day of year
(1-366), Gregorian year, leap second warning, DUT (the difference
between UTC and UT1, which is an astronomical timescale. The difference
is an integral number of tenths of a second between -.9 and +.9. If the
difference exceeds .7, they schedule a leap second), and a Canadian
daylight time indicator.
The datastream is in the form of an AFSK datastream. The frequencies are
compatable with the Bell 103 standard: 2225 Hz mark and 2025 Hz space.
The carrier is active between 10 and 510 msec past the second. Each byte
of data is encoded as one start bit, 8 data bits and two stop bits.
There are ten bytes in each packet, and the last stop bit ends at
precisely 500 msec past the second. ( 1 start bit + 8 data bits + 2 stop
bits ) 10 characters = 110 bits. Each bit takes 1/300 of a second (300
baud). So the whole code takes 366.66.. msec. 500-366.66... = 133.33...
msec. So graphically, each second looks like this:
000 050 100 150 200 250 300 350 400 450 500 550
| | | | |
^ ^ ^ ^ ^
1 2 3 4 5
1 - Ticking noise.
2 - 2225 Hz mark tone for 123.333 msec to allow modems to set up
3 - Data stream
4 - 2225 Hz mark tone for 10 msec to avoid false overrun of the stop
bits
5 - silence until the end of the second.
The datastream itself consists of ten bytes. There are two possible
formats at the moment: One for second 31 and the other for seconds 32
through 39. Each format has 5 bytes of data, then 5 bytes of redundancy.
The "A" format redundancy bytes are exactly the same as the data bytes.
The "B" format redundancy bytes are exactly inverted (one's complement,
NOT, XOR 0xff, etc) from the data bytes. This is how one can tell what
sort of frame was received.
Once the data is received and the redundancy bytes are checked, the next
thing to do is to swap the least and most significant nibbles in each
byte. After doing all of this, the frames look like this:
A frame: 6d dd hh mm ss
ddd is the day of the year. hh:mm:ss is the time UTC. 6 is a constant.
Each nibble is a BCD digit.
B frame: xd yy yy tt ab
d is the absolute value of DUT in tenths of a second. yyyy is the
gregorian year, tt is the difference between TAI and UTC, a is a flag
indicating canadian daylight time (contents of this nibble are
undocumented at the moment), b is a serial number (this nibble
increments whenever the B frame is changed), and x is a bitwise field:
8 4 2 1
| | | |
| | | +--- The sign of DUT (0=+).
| | +------ Leap second warning. One second will be added.
| +--------- Leap second warning. One second will be subtracted.
+------------ Even parity bit for this nibble.
A sample A frame as received from the modem might look like this:
36 56 21 51 53 36 56 21 51 53
Note that these numbers are in hex. This translates to the 365th day of
the year (Dec 31, or Dec 30 in a leap year), 12:15:35 UTC.
A sample B frame as received from the modem might look like this:
19 91 39 72 00 e6 6e c6 8d ff
This translates to a DUT of -.1, year 1993, TAI-UTC=27, serial number 0
and no canadian daylight time.
------------------------------
Date: 11 Aug 1994 01:26:10 GMT
From: ihnp4.ucsd.edu!swrinde!gatech!newsxfer.itd.umich.edu!zip.eecs.umich.edu!yeshua.marcam.com!news.kei.com!ssd.intel.com!chnews!scorpion.ch.intel.com!cmoore@network.ucsd.edu
To: info-hams@ucsd.edu
References <1994Aug10.103830.1@aspen.uml.edu>, <32bm8a$iu2@news.csus.edu>, <32bot3$45r@agate.berkeley.edu>.in
Subject : Re: Which code learning method? Why?
In article <32bot3$45r@agate.berkeley.edu>,
Ken A. Nishimura <kennish@kabuki.EECS.Berkeley.EDU> wrote:
>
>If you learn code Farnsworth, you'll have a easier time upgrading.
Hi Ken, I have a stupid question. Does anybody actually send Farnsworth-
sounding code on the air? I've never heard it on the air and am wondering
why learn sounds in a way that will not be encountered in operation?
73, Cecil, KG7BK, OOTC (Not speaking for Intel)
--
Intel, Corp.
5000 W. Chandler Blvd.
Chandler, AZ 85226
------------------------------
End of Info-Hams Digest V94 #908
******************************