T3B - Electromagnetic wave properties: wavelength vs frequency, nature and velocity of electromagnetic waves, relationship of wavelength and frequency; Electromagnetic spectrum definitions: UHF, VHF, HF.

52:25

A visit to Bletchley Park, Tommy's continuing Meshtastic Adventures part 2, DIY 50 Amp power supply, and more on Hamsci's MW eclipse studies.

1:15:48

T3A – Radio wave characteristics: how a radio signal travels, fading, multipath, polarization, wavelength vs absorption, Antenna orientation.

1:06:38

Meshtastic, an open source, off-grid, decentralized, mesh network built to run on affordable, low-power devices. An update on the latest scanner technology. More…

1:03:43

restrictions during emergencies, use of phonetics in message handling.

40:30

A review of emergency power sources. W5SLA Winter Field Day activities. Icom’s new small business radio package. A highly effective noise blanker. Canarduino Christmas goodies arrived. More…

1:18:29

T2B – VHF/UHF operating practices: FM repeater, simplex, reverse splits, Access tones: CTCSS, DTMF, DMR operation, Resolving operational problems, Q signals.

59:17

1:26:27

T2A – Station operation: choosing an operating frequency, calling another station, test transmissions; Band plans: calling frequencies, repeater offsets.

52:42

Tommy and Emile visit the W5SLA Slidell Hamfest. Ccradio 3 review. Christmas toys of the past.

1:23:49