HamSCIence Telecon for 8 Jan 2026: Barry Johnson, W4WB, on WSPR Spectral Width
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Gary Mikitin, AF8A
Jan 2, 2026, 5:12:11 PM (9 days ago) Jan 2
to HamSCI
The 2026 HamSCI Speaker Series kicks off its calendar year on Thursday, January 8th with a look at WSPR spectral width.
Our presenter will be Dr. R. Barry Johnson W4WB. He will be speaking on a paper he co-authored along with Gene Marcus, W3PM titled “A Modest Study of WSPR-2 Spectral Width”. The topic arose from a question originally posed by frequent HamSCI contributor Gwyn Griffith G3ZIL which was, “What is the minimum obtainable spectral width of WSPR-2 signals?” To answer this seemingly simple question was anything but simple as will become evident in the discussion comprising this presentation.
Dr. Johnson is Senior Research Professor at the Institute of Physics Publishing Series Editor “Emerging Technologies in Optics and Photonics” at the Department of Physics, Mathematics, and Chemistry and Department of Electrical Engineering and Computer Science at Alabama A&M University. A ham for over 60 years, DX has always been a favorite aspect of his operating activities using almost all modes other than TV, with CW and SSB still rating the highest.
Dr. Johnson’s research interests include optical engineering, lens design, automated target recognition, human tracking systems, sensor systems, infrared, electro-optics, hyperspectral data processing, algorithm development, advanced materials for thermoelectric devices, and 3D systems.
The program will be on Thursday, January 8th at 4PM Eastern (2100 UTC).
The Zoom link to the presentation can be found here:
https://scranton.zoom.us/j/286316405?pwd=QWdwMlFPbDlYeXg5ZDg1dmYzeFdCUT09
Meeting ID: 286 316 405, Passcode: hamsci
Our presenter will be Dr. R. Barry Johnson W4WB. He will be speaking on a paper he co-authored along with Gene Marcus, W3PM titled “A Modest Study of WSPR-2 Spectral Width”. The topic arose from a question originally posed by frequent HamSCI contributor Gwyn Griffith G3ZIL which was, “What is the minimum obtainable spectral width of WSPR-2 signals?” To answer this seemingly simple question was anything but simple as will become evident in the discussion comprising this presentation.
Dr. Johnson is Senior Research Professor at the Institute of Physics Publishing Series Editor “Emerging Technologies in Optics and Photonics” at the Department of Physics, Mathematics, and Chemistry and Department of Electrical Engineering and Computer Science at Alabama A&M University. A ham for over 60 years, DX has always been a favorite aspect of his operating activities using almost all modes other than TV, with CW and SSB still rating the highest.
Dr. Johnson’s research interests include optical engineering, lens design, automated target recognition, human tracking systems, sensor systems, infrared, electro-optics, hyperspectral data processing, algorithm development, advanced materials for thermoelectric devices, and 3D systems.
The program will be on Thursday, January 8th at 4PM Eastern (2100 UTC).
The Zoom link to the presentation can be found here:
https://scranton.zoom.us/j/286316405?pwd=QWdwMlFPbDlYeXg5ZDg1dmYzeFdCUT09
Meeting ID: 286 316 405, Passcode: hamsci
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