I learned from @dlarc that my surprise new Astatic D104 microphone is powered by a 9 volt battery lol. I am happy to let this poor Rayovac retire at 3.6v. Do we think alkaline is the best chemistry here and not say a lithium ion rechargeable?
The attached picture is an excerpt from the AES Ham Radio Catalog Summer 1994 https://archive.org/details/aeshamradiocatal00unse_31/page/44/mode/2up
Want an quick introduction to the Digital Library of Amateur Radio and Communications?
Kay gave a presentation to the Radio Amateur Training Planning and Activities Committee (RATPAC) titled "DLARC – The Free Online Ham Radio Library", an overview of the wide range of Amateur Radio (and other) material available in the Digital Library of Amateur Radio and Communications. https://www.youtube.com/watch?v=egjdrt-ye1E
PSA from ARRL16mm. COLOR OPTICAL SOUNDPUBLIC SERVICE ANNOUNCEMENTEmergency CommunicationsFeaturing Pernell Roberts and Gregory Harrison of Trapper John,...
"Using DLARC, Amateur Radio Operators are Resurrecting Technical Ideas from the Past, Using 21st Century Tech"
A new community archive project offers more than just nostalgia. I hope this is a model for other communities & personal digital archives
#AmateurRadio / #HamRadio picks of the day:
➡️ @cloudlog - Free open source web-based amateur radio logging software
➡️ @ARISS_Intl - Helping students talk to astronauts on International Space Station via amateur radio
➡️ @dlarc - Online library of materials on ham radio & early communications
➡️ @amateurradioinclusivitypledge - Encouraging amateur radio to become more diverse & inclusive
➡️ @M0YNG - Amateur radio enthusiast, runs the mastodon.radio server for ham radio people
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New Ham Radio Outlet catalog just dropped https://www.hamradio.com/catalog.cfm
View historical HRO catalogs, back to 1996, in the DLARC library: https://archive.org/details/ham-radio-outlet-catalogs
K3LOE Mike
Brewster Kahle
FediFollows