Steve Johnston's Papers, Presentations, and Articles


Broadcast Engineering

Quality Alligator Clip Leads



Tracking Radio Noise



RadioWorld: Noise Inquiry Spurs Recommendations



RadioWorld: Emergency Alert Text Messages via Radio



NAB Paper: Emergency Alert Text Messages via Radio



IEEE Paper: The Growing Problem of Ambient Radio Noise



Radio World: When VU Meters Are Not to be Trusted



NAB Paper: Wisconsin Public Radio Program Associated Data Project



The Right to Repair



Modification of Dixon Newsmixer



NAB Paper: Indoor Noise Conditions in the FM Broadcast Band - Paper



Indoor Noise Conditions in the FM Broadcast Band - PowerPoint



PCB Management in Broadcast Facilities



Utility Line Driver Design



BMX-II Pan-pot Modification



RCA BTF-40E1 Fire Danger



Review of the AudioTX STL-IP



Ham Radio

How to Solder (video)



630 Meters Practical for Hams? (video)



630 Meters Practical for Hams? (article)



Chinese Model 222-1 Receiver



The MorseMeter



The Two-Tube Tuna-Tin Transmitter



The "Secret Dream" Transmitter



Shortwave for a Song: the GRR-5 Receiver



Dual-Purpose Battery Pack for Icom HTs



The Radio Shack DSP-40 Digital Signal Processor



The New Emergency Alert System



The Spitfire Receiver



Modifications to the Sony 2010 Receiver



Independent Sync Outputs for Sony 2010



Record and Retransmit audio on the Kenwood TS-990S



Modification of the AEA DX-Handy Radios



Modification of the Heath HW-16



Modification of the Heath HR-1680



AM Squelch Mod for Yaesu FT-690R



No-Ballast-Tube Mods for the R-390A



Dip-Switch Mod for Icom IC-22S



Improve the D-104 Microphone



Add 30-meter Transmit to the Kenwood TS-180S



Moving Day for the Gates BC-1T



Add a momentary SPOT switch to Heathkit HX-1681



A Special Day - restoring a Galaxy 300





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