IZØKBA/B 10 meter beacon
|Mode||CW (A1A) - 10wpm|
|QTH||Castel Madama (RM)|
|Status||OFF Jan 2016|
In the 10 and 6 meter band, you can listen to several amateur beacons from around the world. The beacons are useful for the study of propagation, that is useful to understand if they are received, which is open to the propagation area of the beacon and can easily send and receive signals from that area.
Almost always, the beacons transmit in CW indicative of the radio amateur who runs followed by / B; then as the case there are some who do radiate your locator, your website, etc. To not have airtime too long we will just a few words.
I decided in the summer of 2010 to realize a beacon for the band of 10 meters (band that I like very much), so I began reading the necessary
First time need to contact the international coordinator to reach an agreement on the frequency, in agreement I took 28222KHz, "two two two" easy-to-remember and nice to see the displays.
Then I went to find my old antenna I used a few times in CB band, a CTE Skylab, a groundplan I remembered you could tune in 10Mt. I hoisted the antenna and made various tests of agreement, result ROS 1: 1 precise to 28222KHz, in order to have maximum efficiency in transmission.
I started to build the keyer, or the CW keyer to be connected to the radio, the little robot who "beats on the" automatically 24 hours a 24, the choice fell sull'indistruttible and simple project by Vinicio IK0WRB . The robot keyer is a device that has the task of converting the various words of the message in Morse code and manipulate the transmitter. This work is performed by a microprocessor, a 16F84 PIC produced by Microchip, it has a memory in which is written the message over the program that converts the letters in lines and points. I chose the keyer is full-featured predictable, that is, has an LED to indicate the current activity, an AF output to listen to what is being sent and the virtual key consisting of a BC108 transistor that acts as a switch.
At this point it was necessary only the transmitter, after some tests made with the projects based on the oscillator with the 74HC240, I decided to take an old shack, a Lafayette Hurricane, CB Radio with all mode and 240 channels covering the portion of the beacon the band of 10 meters and with its 4W not need to amplification circuits (4W is a perfect power for a beacon).
I started the beacon and I was immediately struck by the first spot on the cluster of listeners in Europe, after I saw my work appear in several lists, official and amateur. I received today several QSL print and email from all over Europe, Asia, the Americas, and many spots on cluster. Some listeners have also made a movie of the radio while receiving and uploaded to YouTube.
A great site, managed by Andre DL8WX keeps a list of all the beacons with the technical data, constantly updated.
If you listened to the beacon signal leaves your report here and realize a video and upload it on YouTube.