====== Hertzian ressources ======

----
===== Emitters =====

See [[https://p-node.org/works/prototypes/diyschema|DIYSchema]] for transmitter

===== Alternative transmitters =====

[[http://www.exitrip.org/About.html|With a ipod nano 1G]]

=== Pre-built transmitter from 1w to 1kw ===

[[http://www.czhfm.com/index.php?main_page=index&cPath=5&zenid=mj9anp8pghc92a713ekbr0s8n4|The company that produce transmitters (Camel Electronic Equipment Co., Ltd. in china)]] [[http://www.108mhz.com/czh5c-silver-76mhz108mhz-1w6w-fm-transmitter-p-145.html|Maybe cheaper here]]

===== Jamming =====

Radial by [[http://r-aw.cc/radial/|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 ====

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

==== Electromagnetic spectrum - general considerations ====

[[http://zzzinc.net/spectrumatlas/assets/medias/pdf/ATimelineoftheSpectrum.pdf|A timeline of the radiospectrum]] [[http://zzzinc.net/spectrumatlas/assets/medias/pdf/EUA_allochrt.pdf|Frequencies and utilisations in the US]] [[http://www.spectrumatlas.org/|An atlas of the EM spectrum]] seems buggy on linux

{{1024px-EUA_allochrt.png}}

==== Harvesting frequencies ====

<code>
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 
</code>

==== Graz Frequency Fine Selection ====

<code>
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 
</code>

==== 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