Differences

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--- documentation:hertzian_ressources [2023/09/08 22:29] – created pnode
+++ documentation:hertzian_ressources [2024/01/09 12:04] (current) – removed pnode
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-====== 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]]
--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>
-Electromagnetic spectrum - general considerations
-Harvesting frequencies
-Graz Frequency Fine Selection
-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>
-MHz : BTP Company in Orléans
-.875 MHz (Atterrissage) / 127.75 MHz (Décollage) : Orly Frequencies in AM (see others)
-MHz (untested) : ADSB : metadata of plane. rtl-sdr example
-.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)
-- 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>
-.103 Mhz : Gra, high-pitched bip (also on 259.216, also on 311.893, 412.418, 435.722, 440.15 and around, 653.680)
-.986 Mhz : Graz, music (also on 392.955, 571.883 - select 500k filter)
-.147 Mhz : Graz, low-pitch bip + noise
-.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