chobeat@lemmy.ml to Technology@lemmy.worldEnglish · 11 hours agoWhat if the Internet Goes Down? - 15 Jan, 7PM CETlemmy.mlimagemessage-square102fedilinkarrow-up1612arrow-down15cross-posted to: [email protected]
arrow-up1607arrow-down1imageWhat if the Internet Goes Down? - 15 Jan, 7PM CETlemmy.mlchobeat@lemmy.ml to Technology@lemmy.worldEnglish · 11 hours agomessage-square102fedilinkcross-posted to: [email protected]
minus-squarecmnybo@discuss.tchncs.delinkfedilinkEnglisharrow-up2·2 hours agoFor LF and MF, you typically want narrow signals, not spread spectrum. It’s hard to make wide band antennas for such low frequencies and propagation can change a lot in just a few tens of kHz.
For LF and MF, you typically want narrow signals, not spread spectrum. It’s hard to make wide band antennas for such low frequencies and propagation can change a lot in just a few tens of kHz.