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An aggregate of Ham Radio related news.
  • Holiday SSTV Experiment from the International Space Station

    ARISS will be conducting an SSTV experiment from the International Space Station (ISS) beginning December 25th and running through January 5th.

    Officially titled Expedition 72 - ARISS Series 23 SSTV Experiment, interested listeners can receive SSTV images in PD120 mode from the ISS on 145.800 MHz. There will be 12 different images in the series coming from callsign RS0ISS. Received images can be uploaded to the ARISS SSTV gallery at https://ariss-usa.org/ARISS_SSTV/.

    Source: ARISS

  • RandomGram Amateur Radio CW Event

    RandomGram, A unique CW contest, takes place December 20th. The contest is unique in that participants send random groups of characters designed to test the accuracy of exchanged information. Transmitting isn't required! Listeners may earn points by submitting groups of characters heard sent to other participants.

    The event begins December 20th at 22:00 UTC and runs for two hours.

    Source: RandomGram

  • Saudi Sat SO-50 Event 22 in Progress

    To celebrate the 22nd anniversary of SO-50, the Saudi Amateur Radio Society (SARS) is organizing a global competition, the Saudi Sat SO-50 Event 22. The event will take place from December 13, 2024, at 00:00 UTC to December 22, 2024, at 23:59 UTC, inviting amateur radio operators to make contacts (QSOs) via the satellite during the competition period.

    See the announcement for details on obtaining certificates from this event.

    Source: AMSAT

N4UN Amateur Radio
TABEL-6 Flight Successful 9-01-08 PDF Print E-mail
Written by Administrator   
Wednesday, 03 September 2008 10:11

Tue Sep 2, 2008 7:41 am (PDT)

TABEL-6 was successfully launched at 10:45 AM CDT from 36 13.990N 086
28.220W.
The 7 pound combined payload and 8.5 pounds of nozzle lift gave a
fairly slow 600 FPM ascent.
Landing was at 2:16 PM CDT in the vicinity of 36 17.48910N 086
18.55955W, just north of Lebanon, TN.
All parts of the payload were recovered. The addition of the
experimental 26" drogue chute attached to the balloon worked well,
with the balloon partially wrapped around the drogue chute risers but
not enough to keep it from inflating and keeping the balloon away from
the main parachute.
Full mission results and links to photos and videos will be available
on the http://www.nt4bg.net website soon.


Bruce

Last Updated on Wednesday, 03 September 2008 10:33
 
BASE 26 Flight: July 10, 2008 PDF Print E-mail
Written by Administrator   
Sunday, 13 July 2008 12:07
 BASE 26 was launched from the roof of the Julian Center (Lat: 39.64 deg N Long: -86.86 W)on the DePauw campus at 12:30 UTC today.  Maximum altitude of 97,000 feet at 14:19 UTC.  Average ascent rate of 880 ft/min. Balloon traveled a serpentine path of 78 miles and landing 43 miles at a heading of 106 degrees from Greencastle just southwest of Franklin, IN.  Landing time was 15:02 UTC.  We had an excellent visual following of the descent from 7000 feet above sea level. Landing was in a corn field near Youngs Creek (Lat: 39 deg 28.29 min and Long: -86 deg 5.11 min).  Thanks to the floods of one month ago, the recovery was simplified by walking through the formerly flooded portions of the field.  Some of the corn was just about head high, but not yet tasseled.

 Data analysis is underway.

 See some of you in Liberty for Superlaunch.

 Howard
 
BASE 25 Flight : June 30, 2008 PDF Print E-mail
Written by Administrator   
Friday, 04 July 2008 10:32

BASE 25 Flight: 2008 June 30

Launch: Northmont Schools, Crawfordsville, IN 14:55 UTC

Ascent Rate: average of 1100 ft/min

Burst Altitude: 97,800 feet Google Earth .kml file

Landing Time: 17:09 UTC

Landing Site: west of Greencastle in Putnam County

Experiments flown:

Relative Photometric Measurements of Absorption Lines of Carbon Dioxide, Water Vapor, and Ozone

Polarization of Skylight - powered by a solar cell

Flight was launched 5 minutes early in strong northerly surface winds. Payload was recovered by the resident in his raspberry patch.

 
BASE 25 was successfully completed today.  Launch at 14:55 UTC.  Surface winds were between 20 and 30 miles per hour. Average ascent rate of 1100 feet/min.  Maximum altitude of 97,800 feet.  Landing at 17:09 UTC.  Recovered by the resident filling his outdoor swimming pool.  Landing site was in a raspberry patch (berries not yet ripe).  Great circle distance of 32 miles at a heading of 184 degrees from the Northmont School launch site.

Data analysis has begun and additional information should be on the website (www.depauw.edu/acad/physics/base) within the next 24 hours.

Howard

Last Updated on Friday, 04 July 2008 10:56
 
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ARRL News

American Radio Relay League | Ham Radio Association and Resources
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.
  • The K7RA Solar Update

    Excellent HF conditions greeted hams in the ARRL 10-Meter contest
    last weekend. Recent indicators show a sudden shift to two digit
    daily sunspot numbers from three, and although there is nothing
    significant about 100, it makes one notice.

    All daily sunspot numbers this week were 97 or less.

    Perhaps this indicates a move off of solar maximum, or to a future
    with a second maximum.

    Solar activity was way...

  • The K7RA Solar Update

    Average daily sunspot number plummeted to 104.4.

    Weekly Commentary on the Sun, the Magnetosphere, and the Earth's Ionosphere for December 12, 2024 from OK1HH:

    "The high solar activity in October this year suggests that this may have been the peak of an 11-year cycle.  This is not to say that solar activity will not continue to rise.  On the contrary, it may well be that the first maximum of the...

  • ARRL Teachers Institute on Wireless Technology Now Accepting Applications for 2025 Cohorts

    The ARRL Teachers Institute on Wireless Technology (TI) continues to grow. Fresh off a highly successful YouTube telethon that raised more than $41,000 for the program, some of next year’s dates have been announced. Applications are now open.

    The program is growing, and educators will have the opportunity to attend sessions around the country. “We love having the teachers here at ARRL Headquarte...

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