Contents
What mode is WSPR?
MEPT-JT
WSPR was first released in April 2008. It uses a transmission mode called MEPT-JT. MEPT stands for Manned Experimental Propagation Transmitter and the JT represents the initials of Joe Taylor himself which also appear in his callsign.
What does WSPR look like on waterfall?
The TX Frequency is the frequency the WSPR signal is being transmitted on. This is the frequency listed on the Activity page of WSPRnet.org. WSPR transmissions show up as bright yellow and orange lines in the waterfall.
How do I set up WSPR?
Start WSPR and select Station parameters from the Setup menu. Enter your callsign and 6-digit grid locator, select audio input and output devices, and select your transmitter power in dBm. (See Appendix A for a Watts-to-dBm conversion table.)
What is FT8 digital mode?
Unlike JT65 or JT9, transmit and receive cycles in FT8 each last about 15 seconds. Like JT65, FT8 requires accurate time synchronization. An auto-sequencing feature offers the option to respond automatically to the first decoded reply to your CQ.
What is wspr2?
Description. WSPR implements a protocol designed for probing potential propagation paths with low-power transmissions. Normal transmissions carry a station’s callsign, Maidenhead grid locator, and transmitter power in dBm. WSPR 2 is showing its age but is still perfectly usable.
What is a whisper beacon?
A WSPR (pronounced ‘whisper’) beacon is a low power radio transmitter operating on amateur bands from 2m to 160m or approximately 144MHz to 1.8MHz respectively. These audio tones are then input to an amateur radio rig set to the appropriate band frequency.
What is digital mode?
Most amateur digital modes are transmitted by inserting audio into the microphone input of a radio and using an analog scheme, such as amplitude modulation (AM), frequency modulation (FM), or single-sideband modulation (SSB).
Where do I find the WSPR transceiver frequency?
Select an operating band from the Band menu. The default WSPR frequency will appear in the Dial frequency box. For example, you should see 10.138700 MHz for the 30 m band. Set your transceiver to this frequency in USB mode, or a USB-based data mode. If you have enabled CAT control, frequency setting should occur automatically.
What kind of callsigns can I use in WSPR?
Compound callsigns such as PJ4/K1ABC, W7/VE3DEF, and WA2XYZ/37 are permitted but should be used only when necessary. Double-compound callsigns such as PJ4/K1ABC/P are not supported. SWLs should provide a unique identifier (up to 8 characters) in place of a callsign.
How often does WSPR use two minute time slots?
WSPR uses two-minute time slots for transmitting and receiving. The slider labeled Tx fraction sets the average proportion of time allocated for transmitting. The default setting of 20% is a good compromise under most conditions: it means that you will transmit approximately once every ten minutes and receive the rest of the time.
What’s the default T / are sequence for WSPR?
The default setting of 20% is a good compromise under most conditions: it means that you will transmit approximately once every ten minutes and receive the rest of the time. The exact T/R sequence will be randomized so as to maximize your chances of receiving other WSPR stations.