Friday, May 25, 2012
Internet Doomsday; July 9, 2012
Unknown to most of them, their problem began when international hackers ran an online advertising scam to take control of infected computers around the world. In a highly unusual response, the FBI set up a safety net months ago using government computers to prevent Internet disruptions for those infected users. But that system will be shut down July 9 -- killing connections for those people.
The FBI has run an impressive campaign for months, encouraging people to visit a website that will inform them whether they're infected and explain how to fix the problem. After July 9, infected users won't be able to connect to the Internet.
MI QRP Memorial Day CW Sprint
If you're not a hard core contester, come and join in the fun anyway if for nothing else think of the skill development value. All members and visitors from around the world are welcome and encouraged to join in.
For more info;
The MI-QRP Club, WQ8RP
http://www.qsl.net/miqrpclub/contest.html
HORYU-2 Satellite
Yaesu FT1D digital FM handheld.
One of the most eagerly awaited products at Dayton Hamvention was the new Yaesu FT1D digital FM handheld.
It has, for an Amateur Radio rig, a number of innovations:
- A microphone that uses a mini-USB plug and has a built-in camera for low resolution (320x240) pictures,
- An 80 character group short messaging facility
- 9600 bps data transfer
- Micro-SD card slot
- E-GPS facility
Although the optonal extra microphone has a camera there appears to be no way to display the pictures on the radio which some may see as reducing it's usefulness.
The use of 9600 bps with 12.5 kHz channel spacing (is it 10 kHz in Japan?) was a surprise. Some had expected it to support 5 or 6.25 kHz channel spacing with a resultant data rate of 4800 bps (digital speech using an AMBE vocoder only requires a 3600 bps data rate).
The modulation used is what Yaesu describes as C4FM otherwise known as 4 level FSK or 4-FSK and is the same as that used for Digital PMR-446 equipment. 4-FSK has advantages over other types of digital modulation such as GMSK.
Both ICOM and Kenwood have been producing 4-FSK equipment for the PMR market since 2007 so in some ways it's surprising that Yaesu beat them both in releasing an amateur version of 4-FSK.
As yet Yaesu hasn't announced any mobiles, base stations or repeaters so it appears that FT1D's can only talk to other FT1D's in digital mode.
After Dayton some questions remain:
- Does it have APRS? The website of at least one amateur radio dealer had been saying the rig did APRS but the brochure makes no mention of it only refering to E-GPS
- Which Vocoder does it use? The AMBE seems the obvious choice but the brochure doesn't say
- What will it cost? Yaesu currently sell the VXD-10 high power digital handheld to the leisure market for 63,000 yen ($796) hopefully the FT1D will be cheaper!
http://tinyurl.com/VXD10-Handheld
- When will the FT1D be available? Well one Japanese retailer indicates that it could be another six months, see
http://tinyurl.com/CQCQDE-Shop
The FT1DR/E brochure can be seen at
http://www.radioworld.ca/product_brochures/amateur/
yaesu_brochures/ft1d_brochure_front.pdf
http://www.radioworld.ca/product_brochures/amateur/
yaesu_brochures/ft1d_brochure_back.pdf
N9XLC Blog on FT1D
http://n9xlc.blogspot.co.uk/2012/05/yeasu-ft-1d-redux.html
2005 Icom and Kenwood demo 'Very Narrowband Digital Communications Technology'
http://www.southgatearc.org/news/apr2005/
icom_kenwood_demo.htm
Thursday, May 24, 2012
QRP in the Park
We will be firing up the grills and putting our amateur radio skills into action as we kick off our first QRP IN THE PARK for 2012! If you ever wanted to work low power portable on CW, SSB phone, or the digital modes with HF, UHF, VHF bands; we invite you stop by and operate with us. All operators are encouraged to operated from battery for this event. No generators will be provided.
Where? HELDER PARK
3751 104th Avenue
Holland, Michigan
When? SATURDAY MAY 26TH – 3PM TO DUSK
Note: This event is weather permitting and will cancel if severe
weather is expected for the area. Please monitor this reflector and 147.06 K8DAA
repeater the evening of the event for any changes of times or event cancel.
See You There!
Jeff KB8QAP
Holland Amateur Radio Club
source
milliwatt transmitters hidden within the park. You are more than invited
to find them. There is no competition with this hunt, just the fun of
finding these little boxes.
Bring your own equipment, or there will be gear there to be loaned out
for you to hunt within the park.
IRA Fox Hunt; West Michigan
Independant Repeater Association Hamfest
Fox Hunt
Saturday, June 2, 2012
1:00 pm to 3:00 pm
Our fox for the day,
Ole Tom, K8TB, says that NOBODY will find him this year.
...we will see, ...we will see!
Click Here for Fox Hunt Info.
Tuesday, May 22, 2012
2012 Annual IRA Hamfest
Saturday, June 2, 2012 8:00 AM until about 1:00 PM
Hudsonville Fairgrounds, 5235 Park Avenue
Hudsonville, MI 49426
Click Here for 2012 Hamfest Brochure
Friday, May 18, 2012
YAESU FTDX3000 HF/50 MHz 100 Watt Transceiver
The market has been waiting for a reasonably priced transceiver that takes a major performance leap forward – the FT DX 3000 is that feature filled compact radio package.
Technical info PDF File
Link
Thursday, May 10, 2012
Vanity Callsign Fee to Increase .80 ¢
The FCC has released a Notice of Proposed Rule making that, among other things, would raise the cost of obtaining a vanity callsign to $15.00 for a ten year license term. The current cost is $14.20 which in essence means an increase of only 80 ¢ if the rule making is approved. (FCC)
Wednesday, May 9, 2012
BSA Announce "Interpreter Strip" for Morse Code
The Boy Scouts of America have just announced a new
"Interpreter Strip" for Morse Code. An "Interpreter Strip"
on the uniform means that the Scout or adult leader is able
to communicate in a particular language.
--
Those older Scouts and former Scouts among you may remember
the Boy Scout requirements that said a Scout had to learn
Morse Code or signal flags to send and receive a message.
And, even though that requirement has disappeared and Morse
Code is no longer mandatory to get any amateur radio license
in the United States, the BSA is reviving Morse Code as a
"language" worth learning.
You can probably credit Jim Wilson, K5ND, for getting this
one from concept to reality.
He's the BSA's "Jamboree on the Air" organizer and the
volunteer chairman for the next K2BSA operation at the 2013
National Boy Scouts Jamboree at the Summit in West Virigina.
Wilson works at BSA headquarters in Texas and is a big
promoter of amateur radio in Scouting.
So much so, Wilson says he organized a national Radio
Scouting advisory committee last year to get stronger
support in the amateur and Scouting community for JOTA.
Earlier this year, Wilson says a member of that committee
made a suggestion about getting some additional Scouting
recognition for amateur radio.
Wilson says there were some ideas that eventually evolved
into exploring the "interpreter" strip worn on the Scout
uniform to show a Scout has some ability to speak a certain
language.
Wilson admits he came up with the idea for "Morse" on the
strip - but in the letters of the language - dah-dah, dah-
dah-dah, di-dah-dit, dit-dit-dit, dit."
Wilson says he quickly moved the idea over to the BSA's
national awards committee where it got a favorable reception
and approval within months.
So how does a boy earn it?
Wilson says there are three requirements, the first....
"It's carrying on a 5-minute conversation in Morse Code at a
speed of at least 5 words per minute," Wilson explains.
"And, then the second one, copying correctly a 2-minute
message sent in Morse Code at a minimum of 5-words-per-
minute.
"And, copying of course means writing the message down as
it's received. And, then, three, sending a 25-word written
document in Morse Code at a minimum of 5 words per minute."
Wilson says Scouts can be certified by their Scoutmaster or
maybe even a ham who's an adult Scout leader.
Wilson says the idea is to further cement the bonds of
brotherhood between Scouting and ham radio operators. And,
of course, Wilson is....
"Eager to increase participation in amateur radio to provide
an opportunity for Scouts to get involved in a fun hobby, a
hobby that promotes communicating with lots of Scouts and
others around the country and around the world," Wilson
says. "And, it's science, it's technology, it's engineering,
it's math - the stem items that are of enormous interest
right now and frankly have been in Boy Scouting for quite
some time."
Articles of Interest
Amateur Radio Operators Train For Emergencies:
Amateur Radio Operators and Weather Spotting:
Monster Sunspot Threatens To Unleash Powerful Solar Flares
BA's New Police Radio System Blocks Public Scanner Access
FCC Seeks Higher Vanity Call Sign Fee
Valley Group Honors Young CERT Member
Ham Radio Operators Appreciated As A 'Treasure Of Oswego County'
Tuesday, May 8, 2012
Senate Approves Two New FCC Commissioners
Senate Approves Two New FCC Commissioners, Commission to Be at Full Strength
Wednesday, May 2, 2012
Michigan Summer Family Outing
ARRL Michigan Section Presents the 14th Annual
Michigan Summer Family Outing
July 5-8, 2012
Woodland Conference Center and Campground - Hale, MI
Includes a tape measure antenna building project and a 4-transmitter fox hunt
Click Here for project website and schedule
Click Here for Family Outing Brochure
Monday, April 30, 2012
7O6T Yemen DXpedition
80 CW 3.504 MHz SSB 3.780 MHz RTTY 0000
40 CW 7.004 MHz SSB 7.065/7.180 MHz RTTY 7.035 MHz
30 CW 10.104 MHz RTTY 10.140 MHz
20 CW 14.024 MHz SSB 14.145 MHz RTTY 14.080 MHz
17 CW 18.074 MHz SSB 18.145 MHz RTTY 18.100 MHz
15 CW 21.024 MHz SSB 21.295 MHz RTTY 21.080 MHz
12 CW 24.894 MHz SSB 24.945 MHz RTTY 24.920 MHz
10 CW 28.024 MHz SSB 28.495 MHz RTTY 28.080 MHz
Thanks to The Daily DX and the K8CX Ham Gallery for some information
Friday, April 27, 2012
US Part 97 Not Affected by Part 90 Narrowbanding
A lot of mis-information is going around in amateur radio FM and repeater circles regarding an upcoming FCC mandate on narrow-banding communications in the 150 to 512 MHz spectrum is finally being debunked. Ham radio is not affected by this change. ---- Much of the mis-information regarding narrowband on amateur radio FM appears to be coming from hams who have purchased various low cost Part 90 radios built in China. These radios are capable of narrowband operation on the 2 meter and 70 centimeter ham bands in addition to Part 90 frequencies. The manuals that come with these radios are written with Part 90 users in mind and much of the material has no meaning to Part 97 Amateur Service operations. However, some hams do not realize this and that's likely the way the erroneous rumors that ham radio FM and repeater operations at 70 centimeters and above would have to narrowband got started. To make it clear, ham radio is not affected in any way by this FCC edict and your ham gear is not going to become obsolete. The switch to 12.5 KHz from the current 25 KHz channel spacing only affects operations in the FCC Part 90 regulated services. There is no narrow band mandate by the FCC for Part 97 ham radio operations. Hams are free to voluntarily switch to narrowband operations if they so desire, but the Amateur Part 97 Service as a whole is not obligated to make any change.
HOW TO READ PROPAGATION NUMBERS
The A index [ LOW is GOOD ]
- 1 to 6 is BEST
- 7 to 9 is OK
- 11 or more is BAD
Represents the overall geomagnetic condition of the ionosphere ("Ap" if averaged from the Kp-Index) (an average of the eight 3-hour K-Indices) ('A' referring to amplitude) over a given 24 hour period, ranging (linearly) typically from 1-100 but theoretically up to 400.
A lower A-Index generally suggests better propagation on the 10, 12, 15, 17, & 20 Meter Bands; a low & steady Ap-Index generally suggest good propagation on the 30, 40, 60, 80, & 160 Meter Bands.
SFI index [ HIGH is GOOD ]
- 70 NOT GOOD
- 80 GOOD
- 90 BETTER
- 100+ BEST
The measure of total radio emissions from the sun at 10.7cm (2800 MHz), on a scale of 60 (no sunspots) to 300, generally corresponding to the sunspot level, but being too low in energy to cause ionization, not related to the ionization level of the Ionosphere.
Higher Solar Flux generally suggests better propagation on the 10, 12, 15, 17, & 20 Meter Bands; Solar Flux rarely affects the 30, 40, 60, 80, & 160 Meter Bands.
K index [ LOW is GOOD ]
- 0 or 1 is BEST
- 2 is OK
- 3 or more is BAD
- 5 is VERY VERY BAD
The overall geomagnetic condition of the ionosphere ("Kp" if averaged over the planet) over the past 3 hours, measured by 13 magnetometers between 46 & 63 degrees of latitude, and ranging quasi-logarithmically from 0-9. Designed to detect solar particle radiation by its magnetic effect. A higher K-index generally means worse HF conditions.
A lower K-Index generally suggests better propagation on the 10, 12, 15, 17, & 20 Meter Bands; a low & steady Kp-Index generally suggest good propagation on the 30, 40, 60, 80, & 160 Meter Bands.
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