The Weak Signal Propagation Reporter Network is a group of amateur radio operators using K1JT's MEPT_JT digital mode to probe radio frequency propagation conditions using very low power (QRP/QRPp) transmissions. The software is open source, and the data collected are available to the public through this site.

Hello All
Myself and others will be txing WSPR on 630 meters tonight and almost every night.
Set your dial to 474.2 khz Upper side band.
You must have Experimental license to transmit .
You can rx and upload spots .
We appreciate all rx stations
You will be surprised what you can hear on an 80 meter dipole.

73 Ken WG2XXM / K5DNL

So far in the last few weeks I have achieved very predictable results on the 20M band, however I have turned my attention to the 6M band and have had some success with my signal being received in Germany twice within 1 week.
So lets see how it goes, I shall persist with 6M for as long as practicably possible and hope for some exciting new spots.

Had an unexpected spot from VK6XT on 20m late this afternoon:

2014-12-27 23:26 KB9AMG 14.097140 -22 0 EN52tx 5 VK6XT OF86td 17546 286

other stations heard by VK6XT at the same time:

2014-12-27 23:26 K4COD 14.097164 0 0 EM73sc 2 VK6XT OF86td 17969 262
2014-12-27 23:26 K4RCG 14.097148 -16 0 FM08xl 2 VK6XT OF86td 18520 285
2014-12-27 23:26 KE7TYT 14.097112 -23 0 DN40bv 5 VK6XT OF86td 15631 264
2014-12-27 23:26 HB9CZF 14.097079 -23 0 JN47ch 1 VK6XT OF86td 14081 103
2014-12-27 23:26 VE3PLE 14.097022 -12 1 FN25bg 5 VK6XT OF86td 18302 313

I must say up front I'm am a tinkerer when it comes to radio. I've never owned a rig and one of my biggest radio achievements was a crystal radio. I got my license years back after the shock of finding out a AM transmitter I made could be picked up several miles away. At that point I thought it was time to get a better understanding of what I was doing.

Still running FT897. Approx. 5Watts to Hustler ground mtd 5btv vs 100' Doublet crammed into a small city lot. Trying to see how these antennas perform under less than ideal conditions. Should be exciting! OR maybe depr
Ha Ha...........

I just did a test on 10 meters with FT-817ND and horizontally mounted Dipole for EU Wide coverage from KP25.
I cycled through from 0.5 up through 5 watts, with some strange (but good) results. I also did it all with Android OS!
The Dipole is mounted horizontally in hopes of getting Europe wide coverage. The side benefit would be to block the high power stations and freebanders from the east, who are killing 10 meters for me.

As usual I made a video out of that.

There have been a lot of new WSPR users welcomed into the group the past year. It occurred to me that many may not be aware that there is a version of WSPR that allows coordinated band hopping. The software is not featured on K1JT's webpage but is discussed in the forum. Here is the link to the discussion of the most recent version, WSPR 2.21

Frequency hopping is most interesting when there are a number of active users operating in the coordinated mode. Give it a try!

Hello everyone
I just uploaded a video to YouTube about the Android app called "WSPR beacon". The app is an incredibly powerful tool as it enables radio operators to take WSPR with them out in the field with minimal gear and equipment requirements. No more laptops, extra batteries, or the tons of gear normally required to activate.
This setup uses teh following gear
- Yeasu FT-817ND
- Wolphilink audio Interface
- Galaxy Tab or Galaxy S4
- WSPR Beacon app for Android

after a busy day.... are on air on 30 meter.... ts 570 5 watt and fd4 by fritzel beaming est/west..... good luck and happy sunday for tomorrow...

Sorry to spam this here, but I've not been able to make direct contact.
Once or twice each day your 630m transmission is faulty. Here's an example:

Seems to be on 100% TX and 0dBm on 80m this evening.

Maybe time to read the manual?

hello i'm in3izq ... i return on wspr after many...
are active with ts2000 and vertical antenna on 30 meter with 5 watt.
good luck and good dx from italy de in3izq danilo bye

I noted in the day that Rick (VK6XT) was very active to the USA for 2 hours after its sunset (11:16z) with 45 dx spots in the wspr database. He was spotted by 6 NA stations at the same time (12:10z).
It was unlikely to imagine a similar event for Europe at Rick sunrise (20:53z). To the best of my knowledge there is no precedent.
Rick is firstly spotted by John (G8DYK) at 18:52z then PA1RZ, OZ7IT, F5OIH, F59706, G3WPD, ON7KO, G4BOO and the latest OH8ALT/P at 21:06Z for a total of 61 dx spots.

In Japan, 6m band plan will be changed from January 5.
Narrow band data communication will be OK between 50.2 and 51.0MHz.

I have been pondering on the subject of wspr for a little while now and still not completely up to date with the various 'How To's',
I will no doubt rely heavily on the great volume of experience and understanding of the members in this group. I apologise in andvance if I apprear ignorant to much but I am returning to this hobby after quite a time of absence.

If anyone is interested in using the QRP Labs low pass filter relay board with WsprryPi then I've forked the code here to support it:

Example band hopping command line:

./wspr -s -o -r -l12345 M0XDK IO92 10 80m 40m 30m 20m 12m

Hi, the new version WSPR-AXE-CW is a standalone beacon kit (or we can assemble for a fee) for either the 30M, 20M, or 10M band (monoband). It features easy assembly and no programming on the user's part (comes with a changeable chip for call, grid square). The output power is 1W on the lower HF bands and 0.5W on 10M. It is high efficiency and low current draw. Here is the link to the preliminary construction manual:

I am always amazed by the diversity of the propagation on 160m and sometimes concentration in a small area.
This morning at sunrise, it was "K9 only" for a short opening of 18 minutes with at the end my 20th NA stations of my season (K9YWO):
2014-12-08 07:32 K9AN 1.838170 -24 0 EN50wc 2 F59706 JN07th 6849 50
2014-12-08 07:20 K9PAW 1.838190 -28 0 EN61ar 1 F59706 JN07th 6723 51
2014-12-08 07:14 K9YWO 1.838181 -26 0 EN61fn 1 F59706 JN07th 6708 51


I have just started transmitting again on 630m. However, when I was searching the database I couldn't find some spots from just over a week ago. I posted (as WR6J) this spot:

2014-11-29 05:32 WH2XNA 0.475710 -26 0 CM97 0.01 N6KOG CM97gs 49 312