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documentation:fm:hertzian_ressources

Hertzian ressources


Emitters

See DIYSchema for transmitter

Alternative transmitters

Pre-built transmitter from 1w to 1kw

Jamming

Radial by r-aw.cc

87-107 MHz FM (UKW) / VHF (UN)stable b/w TV emission DATA input / Antenna out / Ceramic dental / USB powered / 4V-12V block/ send / receive / attack / resist / decay

Interesting Frequencies

Contents

1 Electromagnetic spectrum - general considerations
2 Harvesting frequencies
3 Graz Frequency Fine Selection
4 NATO frequencies

Electromagnetic spectrum - general considerations

Harvesting frequencies

153 MHz : BTP Company in Orléans
123.875 MHz (Atterrissage) / 127.75 MHz (Décollage) : Orly Frequencies in AM (see others)
1090 MHz (untested) : ADSB : metadata of plane. rtl-sdr example
1.57542 GHz (L1 signal) and 1.2276 GHz (L2 signal) [GPS satellites broadcast at the same two frequencies](https://en.wikipedia.org/wiki/Global_Positioning_System#Satellite_frequencies)
900 - 1800 - 2100 MHz : [Les allocations de spectre en France](http://www.arcep.fr/fileadmin/reprise/dossiers/mobile/attributions-frequences-operateurs-metropole-260410.pdf), dans les fréquences GSM et UMTS, aux différents opérateurs 

Graz Frequency Fine Selection

220.103 Mhz : Gra, high-pitched bip (also on 259.216, also on 311.893, 412.418, 435.722, 440.15 and around, 653.680)
250.986 Mhz : Graz, music (also on 392.955, 571.883 - select 500k filter)
331.147 Mhz : Graz, low-pitch bip + noise
16.700 Mhz : Graz unexpected slalom 

NATO frequencies

The List. Mode is USB unless otherwise noted:

dumplog_log_freq.txt

Callsign MARK has been identified as USAF tankers flying out of RAF Mildenhall in support of Kosovo Ops

documentation/fm/hertzian_ressources.txt · Last modified: 2024/01/09 12:04 by pnode