There are now dozens of software defined radio packages that support the ultra cheap RTL-SDR.

ExtIO with Decimation & Tuner Bandwidth ControlsįebruThe BIG List of RTL-SDR Supported Software.

Manual gain controls and decimation driver.

Measuring Traffic Volumes with Passive Radar.

SignalsEverywhere Direction Finding Tutorial.

Measuring Filter Characteristics & VSWR.

Performing Replay Attacks with RTL-SDR and RpiTX.

QRP (FT8, JT9, WSPR etc) Monitoring Station.

Decoding 433 MHz ISM Band Weather Stations.

GOES 16/17 and GK-2A Weather Satellite Tutorial.But do this with gentleness and respect.Ĭopyright 1997-2022, N3FJP Software - Affirmatech, Inc. Serving the Amateur Radio community with contesting and general logging software since 1997.ġ Peter 3 vs 15: Always be prepared to give an answer to everyone who asks you to give the reason for the hope that you have. We hope that you enjoy these programs, and if you find them useful, please tell a friend! We are thrilled with the positive response we have received and we can't thank you all enough for your ideas, kind words and encouragement.Īll of our software is free to try and fully functional! Please click the links above to browse through our software library, try our programs, put them through their paces and see what you think. You can see what we've been up to lately on our recent news and announcements page. The rest of our programs are easy to use 'contest specific' applications. The program was so well liked, I started to receive requests for additional software.įrom that first program, our software library has grown to more than 100 applications! Amateur Contact Log is an easy to use general logging program that has many great features including tracking of worked all states, counties and countries. I began in 1997 with a program to log contacts during November Sweepstakes and shared it with local hams. I wanted to create easy to use software for my station that performed a variety of functions for contesting and general logging. We are also blessed to share this amazing radio and software adventure with our other son, Bradley, KB3MNE, who jumps in whenever he can too!Īs an extension of my Amateur Radio hobby, I became interested in computer programming. My lovely XYL, Kimberly, KA3SEQ and son Chris, KB3KCN are my partners in all our contesting and software endeavors. Hi and welcome! My name is Scott, N3FJP, I became an amateur radio operator in 1976, at the age of 14 and have been enjoying many facets of amateur radio ever since! I love working contests, making contacts via CW and phone, experimenting with antennas and general tuning around the bands. Welcome and thanks for visiting our amateur radio software website!

Ham radio logging software freeware