Now available: the new generation of the "NCDXF/IARU Beacon Monitor MK II (KT-013)". This time expanded with additional LED displays. The KT-013 can now serve as a convenient UTC clock for any amateur radio station. The right-hand display provides supplementary functions — from a seconds counter and calendar, to a band frequency indicator, active beacon number, as well as information about sunrise and sunset (useful for assessing propagation), or the length of day and night.
CW shortwave beacon stations are precisely synchronized across 18 fixed locations worldwide. Each station transmits a 10-second sequence every three minutes. It begins by sending its call sign, followed by four one-second signals at power levels of 100 W, 10 W, 1 W, and 100 mW, respectively. After each transmission, the station shifts to a higher frequency band. These beacons operate on five fixed frequencies: 14.100 MHz, 18.110 MHz, 21.150 MHz, 24.930 MHz, and 28.200 MHz. The entire cycle then repeats.
To effectively determine which station is being received at any given moment while listening to the band, a useful tool is the KT-013 kit from KRAIT Technologies. The system features a built-in GPS module which, after proper synchronization (indicated by the SYNC LED), identifies which station (beacon) is currently transmitting. This is shown by one of eighteen red LEDs arranged on an elegant world map panel. Additionally, the device includes a list of stations along with their locations, making it easier to identify the received signal.
The CTRL button allows you to switch between five frequencies. The currently selected frequency is indicated on green displays. The FN button allows you to change the active function or to enable automatic function change.
The system includes the functionality of an RTC (Real-Time Clock) module. In the event of a loss of GPS signal, it switches to internal timing, allowing the KT-013 system to continue operating in areas without GPS coverage or where access to GPS satellites is limited.
The unit features a power switch that allows you to turn off the system easily without disconnecting the power cable or removing the battery
The system can be powered with a voltage between 7.0 and 18 VDC, drawing 130 mA at 9 VDC.
The described kit is an updated version of the MFJ-890 Atomic DX Beacon Monitor, offered at a much lower price. Using a GPS receiver (instead of DCF or similar systems) enables much easier synchronization—in practice, the system is ready for operation in under a minute.
Included:
- pre-programmed microcontroller (firmware is not an open source)
- set of additional components (THT components, GPS module)
- professionally manufactured double-sided PCB with solder mask and silkscreen
- professional finished front panel with metallization
- set of mechanical parts (screws, pins, spacers)
- five wooden parts for housing assembly (to be glued together by the user)
- printed assembly instructions
Note #1: The shipping cost listed is the maximum price. In many countries, the actual shipping cost is lower. Please contact me to confirm the exact shipping prive before purchasing.
Note #2: a fully assembled version is available in a separate auction.
More information is available online.
The full datasheet is available on eBay.
Watch the YouTube video to see the system in action.
Shipping time: up to 3 business days.
I do not provide a receipt or invoice.