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WSPR 
Operational WSPR 

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.  The program can decode signals with S/N as low as -28 dB in a 2500 Hz bandwidth.  Stations with internet access can automatically upload their reception reports to a central database called WSPRnet, which includes a mapping facility.  To see a live version of the map pictured at top right, click here.
http://physics.princeton.edu/pulsar/K1JT/wspr.html

  

Propagation data:

 

Various WSPR data charts for a variety of bands and studies.

 

630m Band (472kHz)

WSPR 630m band activity data recorded for 3 x 24 hour period from the 18~21/06/2018: Monitoring comparative signal of VK3HP, VK3XHM, VK4YB and VK5FQ WSPR_630m 20180621
WSPR 630m band activity data recorded for 4 x 24 hour period from the 21~24/08/2017: Comparing a new PA0RDT active antennas with earlier modified design PA0RDT active antennas. WSPR_630m_20170824
WSPR 630m band activity data recorded for 5 x 24 hour period from the 27/06/2017: WSPR_630m_20170701
WSPR 630m band activity data recorded for 9 x 24 hour periods  16-25/04/2017: WSPR_630m_20170416-25
WSPR 630m band activity data recorded for a 24 hour period on the 10/03/2017: WSPR_630m_20170310a

 

160m Band (1.8MHz) 

WSPR 160m band activity data recorded for a 4 x 24 hour periods 26-30/06/2018:      Compare the Multi-band dipole antenna with the same antenna configured as a  'T" Antenna. Transmit and receive modes. WSPR_160m 20180630
WSPR 160m band activity data recorded for a 4 x 24 hour periods 17-20/09/2017:      Compare the Multi-band dipole antenna with the same antenna configured as a  'T" Antenna. Transmit mode only WSPR_160m 20170920
WSPR 160m band activity data recorded for a 2 x 24 hour periods 03-05/09/2017:  WSPR_160m 20170906
WSPR 160m band activity data recorded for a 2 x 24 hour periods 03-04/05/2017:  WSPR_160m 20170504B
WSPR 160m band activity data recorded for a 4 x 24 hour periods 01-04/05/2017:   Comparing the compact active antenna with the main station antenna. WSPR_160m 20170504A

 

80m Band (3.5MHz)

WSPR 80m band activity data recorded for a 5 x 24 hour period of 25/09/17 ~ 29/09/17: Compare the Multi-band dipole antenna with the same antenna configured as a  'T" Antenna and configured as an  'L" Antenna for operations on the 80m amateur band. WSPR_80m 20170929
WSPR 80m band activity data recorded for a 5 x 24 hour period of 28/08/17 ~ 01/09/17: WSPR_80m 20170907

WSPR 80m band activity data recorded for a 2 x 24 hour period on the 22~23/05/2017:  

Investigating short range skip zone on the 80m band.

WSPR_80m 20170522
WSPR 80m band activity data recorded for a 24 hour period on the 22/03/2017: WSPR_80m_20170322a

 

60m Band (5.2MHz)

WSPR 60m band activity data recorded for a 3 x 24 hour period on the 5-6/05/2017:  WSPR_60m 20170506A

 

40m Band (7MHz)

WSPR 40m band activity data recorded for 3 x 24 hour periods ending the 20/10/2017:  

Comparing the L antenna with the main station antenna.

WSPR_40m 20171020

WSPR 40m band activity data recorded for 8 x 24 hour periods ending the 05/08/2017:  

Comparing the 40m sloper antenna with the main station antenna.

WSPR_40m 20170805

WSPR 40m band activity data recorded for 4 x  24 hour period ending the 17/07/2017: 

Comparing the 40m sloper antenna with the main station antenna.

WSPR_40m 20170717
WSPR 40m band activity data recorded for a 24 hour period on the 19/03/2017: WSPR_40m_20170319
WSPR 40m band activity data recorded for a 24 hour period on the 24/02/2017: WSPR_40m_20170224

 

30m Band (10MHz) 

WSPR 30m band activity data recorded for 3 x 24 hour periods from 22/10/17 ~ 25/10/17: Comparing the Multi-band dipole antenna with the 40m Sloper Antenna and the Multi-band dipole antenna configured as an  'L" Antenna for operations on the 30m amateur band. WSPR_30m 20171025
WSPR 30m band activity data recorded for a 24 hour period on the 28/03/2017: WSPR_30m 20170329

 

20m Band (14MHz)

WSPR 20m band activity data recorded from 29/10/2017 to 31/10/2017. Comparing the Multi-band dipole antenna with the Multi-band dipole antenna configured as an  'L" Antenna for operations on the 20m amateur band WSPR_20m 20171031
WSPR 20m band activity data recorded for a 24 hour period on the 08/03/2017:  WSPR_20m_20170308

 

17m Band (18MHz)

WSPR 17m band activity data recorded for 3 x 24 hour periods from 02/11/17 ~ 04/11/17: Comparing the Multi-band dipole antenna with the 40m Sloper Antenna and the Multi-band dipole antenna configured as an  'L" Antenna for operations on the 17m amateur band. WSPR_17m 20171103
WSPR 17m band activity data recorded for a 24 hour period on the 27/03/2017: WSPR_17m_20170327

 

15m Band (21MHz)

WSPR 15m band activity data recorded for 3 x 24 hour periods from 06/11/17 ~ 09/11/17: Comparing the Multi-band dipole antenna, the 40m Sloper Antenna and the Multi-band dipole antenna configured as an  'L" Antenna for operations on the 15m amateur band. WSPR_15m 20171103

 

12m Band (21MHz)

WSPR 12m band activity data recorded for 4 x 24 hour periods from 12/11/17 ~ 16/11/17: Comparing the Multi-band dipole antenna, the 40m Sloper Antenna the 10m Sloper Antenna and the Multi-band dipole antenna configured as an  'L" Antenna for operations on the 12m amateur band. WSPR_12m 20171116

 

10m Band (28MHz)

WSPR 10m band activity data recorded for 5 x 24 hour periods from 05/12/18 ~ 10/12/18 WSPR_10m 20181208
WSPR 10m band activity data recorded for 4 x 24 hour periods from 19/11/17 ~ 23/11/17: Comparing the Multi-band dipole antenna, the 40m Sloper Antenna and the 10m Sloper Antennas for operations on the 10m amateur band. WSPR_10m 20171123

 

6m Band (50MHz)

WSPR 6m band activity data recorded for 4 x 24 hour periods from 05/11/19 and 09/11/19:  WSPR_6m 20191109

 

2m Band (144MHz)

WSPR 2m band activity data recorded for 7 x 24 hour periods from 25/05/19 and 02/06/19:  WSPR_2m 20190602
WSPR 2m band activity data recorded for 2 x 24 hour periods from 09/07/18 and 10/07/18:  WSPR_2m 20180710
WSPR 2m band activity data recorded for 2 x 24 hour periods from 23/03/18 and 04/04/18:  WSPR_2m 20180404

 

 

Step by step guide for exporting WSPRnet data to Microsoft Excel for charting. WSPR CHARTS

It is essential to maintain an accurate computer clock for long duration WSPR monitoring and the Dimension 4 clock sync application is ideal for the task: http://www.thinkman.com/dimension4/

 

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Page last revised 11 November 2019  
 

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