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.

Please note 80m frequency change to 3.5686 MHz (USB)

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Please note, the WSPRNet site has been updated to reflect the change to the 80m WSPR frequency which is now 3.568600 MHz USB.

Thank you to K1JT and G4ZFQ for pointing this out.

73 Gary W1GJM

[From Admins] Map issue -- a fix of sorts

The issue with the Google Maps is related to the change Google made on July 16th, 2018 that severely curtails the free API limits. WSPRNet will be transitioning to an alternative mapping solution as soon as possible.

In the interim I have added a new field to the User Profile form for storing your own Google Maps API Key, if you want to get back to the way things were. You can get your own API Key by following the link below and I would strongly encourage you to read the Q&A down the page.

After watching wspr for some time now, it seems to be developing its own kind of intelligence between stations. I wonder that the community of wspr is a sort of "hive" mind that is fully aware of the other stations, and is even connected with the RF physics of Earth to promote the communication channels that it wants.

Because the human owners of the stations are largely out of the picture, other than the rote setting up of the equipment, it is left to the emf physics to determine who is heard by whom, and then it begins a sort of machine language between the stations.

Okay I have been writing and sort of occasionally glancing at the wspr results. Have had it on 80 meters through the night as usual. At the moment 80 looks active. 2-3-4 spots on my signal per transmission. I am showing trending up with stns that i hear. 5 decodes between my 20% packets. So that looks good to me.

I will occasionally submit heard spots now. I have an IC-9100 and want to see what I can hear on 20m and other bands.

Okay I think I posted the date wrong in that last blog post. Not March yet. See? I could use an editor. An editor with a shredder.

I have been keeping to the same schedule lately mostly 80 meters at night and I switch to 40 during the day. And occasionally I will make little forays into 30, 20 (mostly 20), and today I tried 15 meters for a while and got zero results. Then dropped down to 17 meters and I got one receive report on my signal! Hooray I was thrilled over that. I don't know where they were. I don't care where they were. I had a spot! Hooray! In my situation it is a victory let me tell you.

На данный момент у меня работает маяк в режиме WSPR-2 на основе
ARDUINO .Мощность поднял до P=1VAT ANTENA -длинный провод с крыши 5 этажа вниз на дерево длиной 65 метров.

Stated with SKY-SDR

DO8FZ using a Homemade Ultimate 3s.

2x13m Trap Dipole Antenne for 80m Band.

10+15m IMAX 2000 Vertikal Antenna

Hi all.
I just released an expansion card to my WSPR-TX_LP1 transmitter.
It expands the transmitter with four switched low pass filters.
With this combo the transmitter forms a standalone WSPR transmitter with on-board GPS that can do band hopping on four or more bands.
It is possible the lowest cost multiband WSPR transmitter available today. And it's Arduino based with open source.
I hope you find it interesting.

I wonder if it is possible to design a wspr qso mode that allows multiple stations to handle the communications, as in this sketch?

I have been watching 40 meters mostly on wspr mode. 40 can be really excellent at times. I jump to other bands once in a whole to compare. But always seem to come back to 40 meters.

Currently I am using a KiWi SDR for the WSPR project. I am trying to have a minimum of 3 decodes running 24/7 on the long wire antenna.
I am rotating trough the bands, VLF up to 10 Meters.

The API fix works fine. Google says when you enable billing, you get $200 free usage every month for Maps, Routes, or Places. Based on the millions of users using our APIs today, most of them can continue to use Google Maps Platform for free with this credit. Probably won't cost anyone a cent.

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