Simple wspr receiver. I currently manufacture and sell three different WSPR transmitters. The WSPR beacon consists of a custom PCB with ATMega328 microcontroller, GPS module, single transistor amplifier, and Si5351 with TCXO. WSPR messages are successfully transmitted and decoded using a locally positioned SDR receiver, but I really dislike breadboard connections when using ready-made modules. These greatly simplified making a simple receiver for these modes on popular bands. For some time I have been interested in the all-in-one type WSPR transmitter. HF (0-30 MHz) The latest development of PA3GSB is a radio card plugged into a raspberry pi (2 or 3) , a so called rpi-hat, forming an amateur radio. WSPR stands for “Weak Signal Propagation Reporter. While you can transmit digital modes from your main transceiver connected to a computer, a dedicated low current draw transceiver, transmitter or receiver might be handy to free your main equimpment for other functions. Jan 27, 2017 · Over on YouTube user Veryokay has uploaded a video that shows how he uses the HF direct sampling mode on one of our V3 RTL-SDR's to receive WSPR signals. A fellow blogger Paul PA0K posts his WSPR adventures using the SOTAbeams WSPRlite model. sh. com), or WSPR – TAPR Multi-Band capable but operator must select No special filtering, Fully automatic with built in computer $135 WSPR receivers decode the tiny beacon packets and upload them to a central database, at WSPRNet. net database where the data can be retrieved (almost) in real time. Having looked through his GitHub we've seen that he also has an a similar browser based server tool called WebWSPR for WSPR decoding and visualization (click with WebWSPR link) which was released earlier this year. If you’re interested in WSPR, you can either report “spots” or stations you’re receiving (see my post on SDR WSPR Weak Signal Propagation Reporter WSPR (usually pronounced “whisper”) is a software application that uses the transmission mode MEPT-JT (Manned Experimental Propagation Transmitter – Joe Taylor). Connect a 5V power source to the micro USB connector. 4K views 1 year ago #receiver #wspr Open WSPR product link: https://remoteqth. pdf","path Reviews of HF QRP digital modes equipment Digital modes can go a long way with very little power. php Standalone WSPR receiver based on a design by Ondřej Menčík from the OK1RAJ DevTeam more Jul 28, 2025 · Details of the grabber setup can be found on a separate page: QCX + Raspberry Pi QRSS grabber and WSPR receiver setup. I had some of this equipment laying around, and decided that i would throw a quick pro… A list of the popular Ham Radio Digital modes software and CAT control applications available on the web. It is available for 80, 60, 40, 30, 20 or 17m bands. More than 150 million people use GitHub to discover, fork, and contribute to over 420 million projects. I have not Sep 5, 2024 · # **openWSPR receiver** **Standalone WSPR receiver** based on a design by Ondřej Menčík from the OK1RAJ DevTeam > An inexpensive project based around a partially built $21 SoftRock Lite II receiver and an $8 Si5351A module. To build this project you need the native C/C++ toolchain. What are the WSPR) network of receivers that are located all over the world. org. Hardware Version 1 Hardware Version 2 HF Low Hardware Version 3 The Hardware version can be determined by looking at silver sticker at the bottom of the box. The Ultimate3S QRSS/WSPR Transmitter Kit transmits various QRSS, Hell, Opera, PI4 and WSPR slow-signal modes on any LF, MF, HF or VHF band (all amateur bands from 2200m to 2m or 222MHz). The unit I purchased was the Zachtek WSPR Desktop transmitter. Uses SNTP for transmit time-sync - danak6jq/ESP32-WSPR Dec 5, 2024 · QRP Labs offer a few kits which can beacon or transmit WSPR, and the kit I chose to build was the Ultimate3S. The project brings together various community contributions into an easy-to-install package tailored for the Raspberry Pi Zero, although it is also tested on the Raspberry Pi 3 & 4. More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects. Although they are well suited for experiments they Jun 24, 2016 · Simple WSPR-receiver Of course you can leave your main rig running 24×7 to participate in this WSPR-challenge. Instead of tying up your expensive transceiver, you will use this extremely low power device that can be powered directly from the USB port of your computer. Frequencies SoftRock Lite II receiver and Si5351A transmitter. The WSPR-RX V2 is a direct conversion single side band receiver that receives any frequency in the shortwave bands. Modulation is by narrow-band FSK. com/openWSPR. Mar 21, 2013 · Just a low pass filter and an antenna are required in addition to the Raspberry Pi and the software. 50 73's Nov90 GOOF PROOF REGENERATIVE RECEIVER $4. org, where anyone can literally ‘see’ the propagation paths that are currently open. Otherwise most familiar WSPR features are present and working well. The SDRplay RSP1B is an Enhanced Version of the popular RSP1A powerful wideband full featured 14-bit SDR which covers the RF spectrum from 1kHz to 2GHz. If no sticker exist the receiver is a Version 1 type. For those inclined, it would be fairlt simple to change to say a TFT colour display, to make text larger and 'pretty' and add some more details of the WSPR "progress" or state. They run the same firmware and they use the same PC configuration software. 99 (Other models will work) Memory Card for Raspberry Pi, Keyboard, Monitor, Mouse, USB Power for setup, usb cable, hdmi cable, case (Or get a kit http://amzn. dat. This is a nice touch and Instead of your browser, you can use a USB drive to configure your receiver. The code is available here The Readme file at Github says the following: Makes a very simple WSPR beacon from your RasberryPi by connecting GPIO port to Antanna (and LPF), operates on LF, MF, HF and VHF bands from 0 to 250 MHz. An example data file containing my own measurements of WWV and CHU is also included as the file fcal. This unit is no longer available and when I did a web search I found very few units on the market. The transceiver provides single band operation between 630 and 10 meters. Nov 30, 2023 · A simple WSPR beacon with GPS time reference Several days ago I tested a WSPR beacon which operates on 40 meter shortwave band. WSPR is an amateur radio digital HF mode designed to be decodable even if the signal is transmitted with very low power WISPY is a simple DSB beacon transmitter for 10m WSPR. In MEPT transmissions, the radio becomes a beacon that transmits for just under 2 minutes, transmitting callsign, locator and power information. Dec 19, 2018 · Minimal WSPR transmit with Arduino and Si5351 Intrigued by the ZachTek pocket WSPR transmitter Peter, VK3YE, has reviewed, I wondered if I could get a simple beacon going using just an Arduino, an Si5351 clock generator and (you'll be pleased to hear) a low pass filter. 293M -c VE2VAX -l FN35JO -a 1 -p 45 receiver, teachers, students and short-wave listeners (SWLs) routinely report receptions. This set up allows users to create an extremely low cost and permanent RX WSPR monitor. Useful if you're building simple direct conversion receivers or small transmitters for th Complete stand-alone WSPR2 transmitter using ESP32 + Si5351 modules. I did just that for a few days to see where I would end up in the WSPR-challenge. The RSP1B comes in a Ruggedized Black Painted Steel Case and has Significantly Improved Noise Performance. With the arrival of the GPS module(s) I have had it successfully working and WSPR receiver with no display A SDR receiver designed for WSPR use with the WSJT-X program for use with an earlier low speed PC. TXT. A simple walk through guide showing the novice SWL (Shortwave Listener) on how to receive WSPR and FT8 transmissions. Weak Signal Propagation Reporter is a digital radio protocol for probing potential propagation paths. This receiver performs really really well. The Argo screenshots below are in CW mode and QRSS mode on 30m. Thank you to Ihar Yatsevich for writing in and sharing with us his open-source WSPR beacon project. You connect through a Low-Pass Filter to remove harmonics and then to an appropriate antenna. Apr 15, 2021 · WSPR transmissions need to be carefully synchronized to start at the top of every even-numbered minute, so many of these projects include elaborations such as a GPS receiver or an NTP client to To begin with I thought I would build something really simple and decided on a low power transmitter for WSPR (Weak Signal Propagation Reporter). 5- On my setup with a simple wire antenna, I use this parameter : . The video describes and contains the circuit of this three transistor receiver. The result is a very simple, portable WSPR beacon that can be heard all over the world. To enable uploads, the CALL and GRID variables should be specified in decode-wspr. This is site is devoted to Homebrew Radio Construction Projects inclucding SSB Transceivers and features Arduino Microcontroller applications Introduction If you are interested in the mysteries of propagation then WSPR is the tool at your disposal. Reviews For: QRP Labs Ultimate3 QRSS/WSPR kit Category: Ham Radio Kits eMail Subscription Registered users are allowed to subscribe to specific review topics and receive eMail notifications when new reviews are posted. In this article, I will try to conve WSPR-zero provides the components for a cost-effective and ultra-portable Raspberry Pi Zero solution for transmitting and receiving WSPR signals. These receivers report the estimated signal-to-noise ratio of received beacon signals to the WSPR. The WSPR-RX V1 is a direct conversion receiver that receives on one fixed frequency on a Ham band. In the paper we analyze the metho , estimate its accuracy and discuss advantages and Reviews For: Zachtek WSPR Desktop Transmitter Category: QRP Radios (5 watts or less) eMail Subscription Registered users are allowed to subscribe to specific review topics and receive eMail notifications when new reviews are posted. Continue reading → Tagged amateur radio, Arduino, electronics, ham radio, homebrew, maker, QRP, WSPR Sep 30 2021 44 Comments Arduino, homebrew Jan 27, 2023 · While small, it's not anticipated that one needs to constantly monitor the WSPR Tx, but is a nice guide where you can see current status at a glance. Compatible with the original Raspberry Pi, the Raspberry Pi 2/3, and the Pi Zero. Antenna is fixed on the wall and is easy to tune. Internally it uses a PLL controlled local oscillator (LO) that can be tuned to any frequency from 8kHz to 150MHz. WSPR) network of receivers that are located all over the world. This time synchronization ensures that the start and end of each SPOT is synchronized with the transmitters and receivers. 00 ARRL QRP CLASSICS THE NEOPHYTE 40 METER RECEIVER USING NE602'S (QST 12/88) $5. The program is designed for sending and receiving low-power transmissions to test propagation paths on the MF and HF bands. ” WSPR is designed for sending and receiving low-power transmissions to test propagation paths on the LF, MF, HF, VHF and UHF bands. . The receiver requires a local oscillator (LO) input at 4x the receive frequency. GitHub is where people build software. 8V 5A Switched Mode power supply {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"README. Looking for recommendations on either a kit or built WSPR transmitter. Mar 6, 2022 · ESP WSPR – A Simple and Inexpensive WSPR Transmitter Implemented with ESP8266 and SI5351In my article “ A Whisper Adventure… ”, I tried to tell you about my adventure with WSPR and how I put the ESP_WSPR transmitter together, programmed it, and tried it. It has a single filter 200 Hz wide centred on 1500 Hz. Oct 5, 2019 · 2019年10月28日月曜日 【回路】Simple WSPR Receiver 【簡単にできるWSPR受信機】 【あなたもできるWSPR受信機】 WSPR受信機は、簡単に言ってしまえばSSB受信機そのものです。 WSPR-zero is an open-source hardware and software project designed to enhance your experience with the Raspberry Pi Zero by turning it into a powerful radio transmitter capable of sending and receiving WSPR signals. WSPR receivers are located around the globe, and are continuously listening for WSPR transmissions which they relay to the Internet, providing an easy-to-use backbone for balloon data. 50 ARRL WSPR beacons tranmit on a 200Hz wide band, so your airspya nd upconverter must have a very well calibrated frequency, or man could use the -p option to shift frequency. 060 crystal, available from many sources, in an oscillator-doubler circuit feeding a diode single balanced mixer and small low cost PA. In the paper we analyze the metho , estimate its accuracy and discuss advantages and Aug 24, 2016 · First receiver built and operational, by Phil G4JVF The first reported receiver kit constructed and optional was built by Phil G4JVF. It comes with a choice of SDRunoTM WSPR-RX exists in three hardware versions, click the appropriate link to read the documentation. About Wsprry Pi WsprryPi creates a very simple WSPR beacon on your Raspberry Pi by generating a Pulse-Width Modulation (PWM) square-wave signal through a General-Purpose Input/Output (GPIO) pin on a Raspberry Pi. The firmware is open source and the electrical schema is available on all transmitters to give you the greatest ability to experiment, expand, modify and play around. !!!!!! 2017-04-21 Do note that some users have been reporting lockups with recent OS versions. Since the entire project is open source, receivers can be easily reprogrammed to receive signals other than WSPR. This project is crafted to be accessible for enthusiasts of all technical levels, from beginners to advanced users. Jun 15, 2016 · You are ready to use a simple raspberry pi an a sheap RTL-SDR Dongles (RTL2832U). No need to tie up one of your big expensive radio's for a WSPR monitoring station. Receivers work well in this situation because they allow monitoring the entire WSPR band at one time without tuning for individual stations. To operate the WSPR-RX V2 do the following: Connect it to a computer: Connect the "Audio Out" from the receiver to a line-in or microphone input on a computer using an appropriate audio cable. Aimed at SDRuno / SDRplay this guide Configuring WSPR receiver By default, the uploads to wsprnet. comKits QMX+ 160-6m multi-mode transceiver QMX multi-band transceiver kit QCX-mini 5W CW transceiver kit QCX+ 5W CW transceiver kit QDX Digital Transceiver QDX-M 5W Digital Transceiver Ultimate3/3S QRSS/WSPR kit U4B - Balloon tracker 50W Amp for QCX Ultimate relay-switched LPF kit GPS receiver kit QLG2 GPS receiver kit QLG3 10W HF Linear PA Low Pass Filter Band Pass Filter Si5351A Sep 30, 2017 · WSPR provides a great transport for data when balloon tracking, as distances of 1000km+ are easily spanned with merely 20mW of power or less. The data from WSPR reception can be used to determine how good or bad HF propagation is It’s preferred that you run your transceiver (or receiver) without using any built-in filters so even a simple DCR (direct conversion receiver) will suffice because it’s the WSPR program that does all the work with razor-sharp 1. 50 73's Feb88 MICRO-20 RECEIVER $5. 5 Hz wide software filters! Jan 24, 2024 · There is a library by Roman Piksaykin, called pico hf oscillator and it's used in a simple WSPR transmitter available here. If you are not familiar with the WSPR digital mode, watch David Casler’s video on WSPR. Jun 14, 2024 · Because timing is everything in the WSPR protocol, the beacon also sports a GPS receiver, ensuring that signals are sent only and exactly on the even-numbered minutes. /rtlsdr_wsprd -f 50. It is controlled by the WSJT-X that will tune it to the WSPR frequency for any given band you would like to monitor. I know a few amateurs who took Remco’s design of a really simple WSPR-receiver and build it their selves. This low cost option is perfect for a dedicated WSPR reporting station. To experience this fascinating tool, all you need is an SSB transceiver, simple antenna, a computer, internet access and an optional sound card interface to connect the transceiver to your computer. org are disabled and all the decoded data are accumulated in /dev/shm/ALL_WSPR. There are good instructions around for getting this going on a Raspberry Pi, but I did run in to a few issues getting it going on my Apple Silicon Mac. Software is now open source and is developed by a small team. Operation. Works The WSPR network is made up of thousands of individual (mostly amateur operated) receivers scattered all over the world, with a single purpose - to relay received messages into an online database. WSPR (pronounced 'Whisper') is short for Weak Signal Propagation Reporting, and is a HF ham mode typically run on very low power levels such as 1W. to/2nQQW4O) Raspberry Pi QRP TX Shield for WSPR on 20 Meters RTL-SDR Hardware WSPR, which stands for Weak Signal Propagation Reporter, is a program used to test the propagation paths of RF signals between amateur radio operators using a narrowband digital transmission protocol called MEPT_JT on the HF and MF frequency bands. It operates on LF, MF, HF, and VHF bands from 0 to 250 MHz. RaspberryPi WSPR Node: I wanted to make a WSPRnet (Weak Signal Propegation Reporter) Transmitter to get my feet wet in the WSPRnet game and start seeing how far I can transmit a beacon. First make sure it is formatted to FAT32 and then place a config. When connected to computer that runs a WSPR software it will form a system for trouble free WSPR reception on a single band. Nov 23, 2009 · A simple command-line program fcal is included with your WSPR installation. It consists of a QCX and QrssPiG running on a Raspberry Pi connected to a simple vertical antenna. 20M WSPR Beacon +Receiver + Raspberry Pi3 Simple WSPR Pi Setup Started: 4/8/17 Supplies: Raspberry Pi 3 $39. WSPR implements a protocol designed for probing potential propagation paths with low-power transmissions. Reviews For: Zachtek WSPR Desktop Transmitter Category: QRP Radios (5 watts or less) eMail Subscription Registered users are allowed to subscribe to specific review topics and receive eMail notifications when new reviews are posted. Dec 21, 2018 · Here is list of commands how to install and configure a standalone wspr receiver on Raspberry Pi using an RTL-SDR V3 dongle for wspr reception and reporting. But Amateur Radio operators usually find that using a SoftRock Lite II receiver and Si5351A transmitter. Running this since a year on the roof with great success! Aug 3, 2017 · The "QCX" is a 5W, single-band, high performance CW transceiver kit with WSPR beacon, and built-in alignment/test equipment. Oct 19, 2025 · Amateur - 🔧 Poor Man’s HF SSB Receiver — A Brilliant Low-Cost Radio Project by ANTRAK If you’ve ever dreamed of tuning into the world of HF radio signals without spending a fortune on fancy equipment — this project is for you! The “Poor Man’s HF SSB Receiver”, published by the Ankara Telsiz ve Radyo Amatörleri Kulübü Derneği (ANTRAK), is a shining example of how simplicity Sep 19, 2022 · These receivers report the estimated signal-to-noise ratio of received beacon signals to the WSPR. WSPR (Weak Signal Propagation Reporter) Stand Alone Beacon: Hello community - Dave here (radio callsign G7IYK), I have very pleased to publish details of my latest project which is a WSPR or Weak Signal Propagation Reporter beacon. md","contentType":"file"},{"name":"Si5351A_WSPR_XCVR. Connect an HF antenna to the SMA connector marked "Antenna Input". 50 73's Nov90 THE SMOKE DETECTOR RECEIVER $4. md","path":"README. I had managed to devise it completely on the Raspberry Pi Pico … Reviewing 7 and 14 MHz digital mode crystals for FT8, JS8 and WSPR. Aug 24, 2016 · First receiver built and operational, by Phil G4JVF The first reported receiver kit constructed and optional was built by Phil G4JVF. In the paper we analyze the metho , estimate its accuracy and discuss advantages and The system consists of the following blocks: 1) QLG1 GPS receiver kit from QRP Labs 2) QRP Labs Ultimate3S QRSS/WSPR TX kit (including relay-switched LPF kit and 6 LPF kits for 6 band operation 3) Simple RF Power meter project 4) 13. Jan 2, 2014 · Happy New Year!Christmas is thankfully behind us so I can get back to what I enjoy doing once I have reorganised my workshop. May 19, 2023 · qrp-labs. 25 ARRL QRP CLASSICS BAND-IMAGING CW RECEIVER 5 BD SET (HB CH30) $20. As you know I am currently developing a potential High Altitude Balloon (HAB) project and have been experimenting with the Arduino microprocessor platform and have constructed a basic prototype. txt file with the desired settings in the root directory: Just connect an antenna, internet and a DC power supply and you're ready to go! With this tiny receiver you can decode and relay WSPR messages to WSPRnet. Learn how to receive WSPR with RTL-SDR. However, it appears that no band filters are built into this, so you I've been thinking about buying/making a WSPR transmitter to test antenna propagation. That actually ended up being really easy with the exception of having to build a low pass filter to remove harmonics from the transmitter output in order to stay within the regulations. Click the picture below to enlarge the current grab, or check out QRSS Plus for the grabs of the last 8 hours. Sep 25, 2024 · New WSPR transmitter. He also did a similar socket for C1/C2 as Mike G8NXD (above). Sep 27, 2023 · After testing out reception of WSPR beacons using my HF rig and WSJT-X software, I decided I wanted to run the receiver overnight or continuously for long periods of time. Contribute to W3PM/A-Simple-WSPR-Transmitter-Receiver development by creating an account on GitHub. Excludes calls starting with Q and 0, typically used for balloon telemetry WSPR receivers can decode signals below the noise floor down to SNR levels of -28dB, but I have seen even lower This is 10 to 15 dB below the audibility threshold ! WSPR Receiver | ZachTek, openWSPR receiver (remoteqth. All the configuration files and scripts can be found in the apps/sdr_transceiver_wspr directory on the SD card. Three transmitters - one software. An inexpensive project based around a partially built $21 SoftRock Lite II receiver and an $8 Si5351A module. WSPR-X does not presently do “band hopping” and does not support I/Q audio for use with direct conversion receivers and transceivers. And equipment can be simple to build with various kits available. All it needs is a computer and an antenna to provide excellent communications receiver functionality. Dec 16, 2023 · New WSPR receiver from RemoteQTH RemoteQTH is a small company in the Czech Republic and they have just announced the release of a new receiver for WSPR. WALLOOP is an indoor Magloop Antenna intended for use with receivers, transmitters, WSPR devices atc. Pr 249 7. The idea was to use a low cost 14. 6 days ago · Raspberry Pi WSPR beacon How to build a simple WSPR beacon using the Raspberry Pi for the transmitter Radioberry by PA3GSB Radioberry Radio hat for raspberry pi. 00 73's Apr91 SIMPLE SUPERX RECEIVER $5. Raspberry Pi bareback LF/MF/HF/VHF WSPR transmitter Makes a very simple WSPR beacon from your RasberryPi by connecting GPIO port to Antenna (and LPF), operates on LF, MF, HF and VHF bands from 0 to 250 MHz. I can hear people saying "that sounds great", but what the dickens is a WSPR… What's a cheap, simple way to have an unattended WSPR receiver/gateway? Seems an SDR dongle (RTL v4?) and a cheap, dedicated windows PC ($100) might be the easiest option? HF digital mode crystals from W6OUT (and a simple 7 MHz FT8/JS8/WSPR receiver) This came about when I was sent some custom-made WSPR, JS8 and FT8 crystals by Matthew W6OUT. Phil uses a modified old Ultimate3 kit as VFO. SUDDEN Rx G3RJV $6. The WSPR reception map is an afternoon of 40m WSPR reception. They find it instructive and exciting since they can then view real-time results on the WSPRnet world map. This could be generated by the QRP Labs Ultimate3S QRSS/WSPR kit, the VFO/Signal Generator kit, or ProgRock kit. SoftRock Lite II receiver and Si5351A transmitter. You should not use Wsprry Pi Aug 13, 2019 · A few days ago we posted about WebSDR software for QO-100. When connected to computer that runs a WSPR software it will form a system for trouble free WSPR reception on a one or more bands. Low-Cost WSPR with Raspberry Pi and SDR Mar 7, 2022 · Each WSPR transmitter and receiver starts transmitting at the beginning of the even-numbered minute and finishes transmitting after 110 seconds. Jan 8, 2019 · Thank you to Zoltan for submitting his scripts for installing the rtlsdr-wsprd WSPR decoder onto a Raspberry Pi, and showing us how to configure it for an RTL-SDR V3 dongle running in direct sampling mode. This post will serve to document my experience with this kit in particular. dds ezyxrro 0kn281 ulcjlvn u0mf atb8 omxlw1 njp b1 6gcv7x