wireless
2022
- 2022-01-20 – Modern phone trees
- 2022-01-11 – Qi charging review
2020
- 2020-10-27 – LTE cellular smartwatch RF signal performance
- 2020-04-30 – Tropospheric ducting super-refraction and LTE
- 2020-01-06 – USA 2G cellular shutdown
2018
- 2018-05-03 – NEXTEL is back?
- 2018-01-10 – Radio Mobile Deluxe WINE
2017
- 2017-10-07 – MURS VHF vs. 900 MHz modems
- 2017-09-09 – 9V battery can not charge modern cell phone
- 2017-08-01 – LoRa Wifi Ranging and SX1280 chip
- 2017-07-17 – LTE band 26 is 800 MHz ESMR
- 2017-01-02 – Survey of 4G LTE Ethernet routers
2016
- 2016-05-26 – How Paging Coasters work
2015
- 2015-03-20 – Motorola quad-band portable radio APX8000
2012
- 2012-01-20 – Positive train control in dark territory
2007
- 2007-06-16 – 3G WWAN for mobile workers
- 2007-03-11 – Trunking PTT Latency Part 2
- 2007-01-21 – Diagnose and fix repeater desensitization
2006
- 2006-12-22 – Two-way radio repeater base station performance
2005
- 2005-05-23 – Trunking PTT Latency Part 1
2003
- 2003-11-02 – Radio coverage drive test + audio log
- 2003-09-07 – Nextel 800 MHz Police radio interference
- 2003-03-29 – Cable TV interference to public safety radio
2002
- 2002-07-10 – Field trip to Motorola headquarters
1999
- 1999-06-27 – Low-gain vs. high-gain antennas in urban areas
1998
- 1998-06-20 – Repair 35 Watt 800 MHz EF Johnson Summit radios
- 1998-02-05 – Full duplex 800 MHz SMR telephone
1997
- 1997-09-21 – EF Johnson Challenger 717x/718x microphonic fix
1996
- 1996-11-11 – Trucking companies radio/wireless communications