~ > cat DefconRfChannels_DC33.txt

Archived Event

Primary Frequencies N1CCK

Simplex 146.580 MHz Off Air

SSTV: 447.800 MHz  |  APRS: 144.39 MHz

ChannelFreqTypeCC/ToneModeOffsetTalkgroup
Ham Radio Village 445.950 Open Hotspot CC1 DMR - TG 9 / 6
Ham Radio Village 431.040 Open Hotspot N293 P25 - TG 478
Ham Radio Village 446.250 FM Repeater 136.5 FM -5 MHz Primary
Ham Radio Village 446.300 FM Repeater 136.5 FM -5 MHz Backup
Ham Radio Village K0HRV-L EchoLink - - - -
ChannelFreqTypeMode
Fox147.420FoxesFM
Fox147.445FoxesFM
Hunt147.470FoxesFM
Hunt147.495FoxesFM
Contest147.545FoxesFM
ChannelFreqTypeCCModeTalkgroup
RF Village 431.200 Open Hotspot CC1 DMR TG 98638
Cryptocurrency Community
FreqTypeMode
145.770-FM
446.150SimplexFM
GMRS 18-FM
Meshtastic

lora — region: us · channel: 31 · preset: short turbo

device — rebroadcast core port only

DEFCONnect / OEu8wB3AItGBvza4YSHh+5a3LlW/dCJ+nWr7SNZMsaE=

HackerComms / 6IzsaoVhx1ETWeWuu0dUWMLqItvYJLbRzwgTAKCfvtY=

NodeChat / TiIdi8MJG+IRnIkS8iUZXRU+MHuGtuzEasOWXp4QndU=

One-Click Meshtastic Join


This page is an archive of the ConHam frequency plan used at DEFCON 33. For the current DEFCON frequency information, head back to the DEFCON 34 page.

The ConHam simplex frequency of 146.580 has been in use at DEFCON since at least DC16, though probably much earlier than that. Standardizing on a single frequency made it much easier to find other hams in a backchannel way, without depending on sketchy WiFi and a crazy game of telephone.

But I thought ham radio was dead? You thought wrong! There's enough people using RF space at cons like DEFCON that the Ham Radio Village decided to start trying to help coordinate into a central place - jumping from 1 standardized frequency to a whole table, including FM repeaters, digital mode hotspots with repurposed commercial (DMR) and home-grown open source (M17) modes, internet backbones, Meshtastic, cat memes, and other shenanigans.

Want to have your information listed here? Open an issue on the ConHam.radio git repo.

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