Saturday, August 10, 2019

Adobe Flash blocked in Chrome 76

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When you now run version 76 of the Google Chrome browser you will see the message shown in the screen shot excerpt below. Click above to...
Thursday, January 31, 2019

Propagation Maps for 7 MHz

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Using the VOACAP online program , I collected color-coded maps representing the predicted signal power (dB relative to 1 watt) centered on a...
Friday, January 25, 2019

AM broadcast received audio -- local and remote

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Audio quality testing this morning involved reception of WWL-AM (870 kHz) on my Flex-3000 transceiver. I recorded audio samples from two pla...
Thursday, January 24, 2019

Graphs of Maximum Usable Frequency from Ionosonde Data

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In support of a forthcoming article on 40 m propagation during the daily East Coast RV Service Net, data has been collected for two ionosond...
Wednesday, September 19, 2018

Hidden Damage to 450-ohm Balanced Line

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Recently I installed new coax cable from my rig to the outdoor surge protector on the back of my garage, where the balanced feed line termin...
Monday, August 13, 2018

Lightning - Sunday night

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Here's a screen shot of the real time display from LightningMaps.org during a 15-minute period last night. The yellow and orange dots ar...
Monday, August 6, 2018

Joining Google Hangout from shared link

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Here are some notes from my recent testing of joining a group Hangout on an Apple iOS device via shared link. First, install the Google Ha...