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Offline 9a5ay

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« Odgovori #15 : 27. Lipanj. 2019, 20:45:45 »
EURAO želi prenijeti zabrinutost globalne radioamaterske zajednice o nedavnom prijedlogu Francuske da razmotri pojas od 144-146 MHz kao primarnu dodjelu zrakoplovnoj mobilnoj usluzi, danas dodijeljenoj amaterskoj službi u primarnoj osnovi, i izražava svoju čvrstu obvezu. raditi tako da se nastavi kao i prije.
Prijedlog:
Odbijte uključiti u dnevni red WRC-23 bilo koju stavku o preraspodjeli frekvencijskog pojasa 144-146 MHz na bilo koju drugu uslugu od amaterske usluge.
Pozadina:
Europska organizacija radioamatera (EURAO), priznati dionik i promatrač CEPT / ECC, zastupa interese radioamatera u Europi i šire. Više od hobija, amaterski radio je dobar način da se ljudima, bez obzira na dob, spol ili nacionalnost, omogući učenje o tehnologiji, održavanje kontakta s drugim kulturama, način razmišljanja, prakticiranje solidarnosti, razvoj osobnih i profesionalnih vještina, zajedničke projekte sa školama, sveučilištima i tvrtkama itd.




Bez sumnje radio-amater je također od velike pomoći u: zemljama u razvoju, komunikacijama u hitnim slučajevima, zdravstvu, obrazovanju itd. Ne odlazeći dalje, neki od članova EURAO-a obavljaju izvanredan posao u tom smislu: s djecom, s autohtonim zajednicama, s migrantima, itd




144-146 MHz je mali segment VHF, poznat kao pojas 2 metra. To je najpopularniji bend među radioamaterima, s mnoštvom korisnika, opreme i infrastrukture širom svijeta: analogni i digitalni repetitori, baloni, svjetionici, sateliti, ISS, mjesečeve komunikacije, mreže za hitne slučajeve, stanice bez nadzora, itd.




U proteklom tjednu EURAO je primio brojne komentare i zabrinutosti mnogih radioamatera, ne samo iz Europe, jer bilo kakve izmjene u ovoj skupini na ITU razini mogu utjecati na sve radioamatere širom svijeta.




Iz tog razloga EURAO smatra da ne razmatra opseg od 144-146 MHz na dnevnom redu WRC-23.








ja








Dame i gospodo




Vrlo smo svjesni potrebe frekvencija profesionalnih operatera i Thalesovog zahtjeva, ali danas je nemoguće predvidjeti podjelu frekvencijskog pojasa 144-146 MHz u području 1, 2 i 3 i
220-225 MHz u području 2. 144-146 MHz dodijeljeno je radio amaterima u isključivom primarnom statusu, 220-225 u sekundarnom statusu. Ove bendove snažno koristi skup radijskih ham na svijetu, 144-146 MHz je jedan od prvih bendova koji su iskorištavali svi radioamateri, uključujući početnike i početnike. Jednostavnost eksploatacije i trošak zapravo smanjuju bend koji je vrlo jednostavan za korištenje.




Mi se tehnički ne bojimo dolaska namjena koje žele Thalesa, ali možemo tvrditi da bez obzira na tehnologiju koju će koristiti, prijenosi Zemlje-zrak i Zrak-Zemlja neće biti pouzdani.




Već više od 10 godina koristimo ove veze Zemlje-zrak i Zemlja-prostor tijekom letova balona u stratosferi i tijekom veza sa svemirskom stanicom ISS, s bilo kojom vrstom senzora koji prenose svoje podatke na tlo u VHF-u, također proslijediti narudžbe senzorima i možemo sa sigurnošću ustvrditi da su ti prijenosi u velikoj mjeri poremećeni drugim VHF emisijama u blizini. Naši prijenosi koji nemaju potrebu da budu pouzdani 100% su napravljeni male snage jer je sjaj na visokoj nadmorskoj visini važan, oni se ograničavaju osim ako 5 letova godišnje u trajanju od 3 sata ujutro po operaciji, tako je kohabitacija moguća jer mi najavite naša iskustva, a radio šunke lako surađuju i ostaju pozorni na te projekte koje radimo sa školama.




U Thalesovom projektu suživot je nemoguć i nezamisliv. Potrebno je znati da koristimo smjerne antene s jakim zaradama, dostižemo više od 2000 Watta PAR, a budući da imamo domet VHF-a koji može ići do 500 km, vidjeti 2000 km tijekom kontakata s ISS-om, nezamislivo je da se prometna radio ham zaustavlja svaki put kad zrakoplov prođe u krugu radio ham. Stoga je nevoljko da moramo odbiti zahtjev Talesovog suživota na radio bendovima, bez obzira na status koji će im biti predložen.




Posavjetujući se s radijskom šunkom i njihovim asocijacijama, od vas tražimo da u dnevni red CMR-23 Thalesovog zahtjeva ne stavljate dijelove bandova koje je VHF dodijelio radio-šunkama.




Unaprijed vam zahvaljujemo što ste spremni razmotriti naš zahtjev.
Molim vas, prihvatite, dame i gospodo, izraz naših istaknutih osjećaja




Za URC, FFBRA i WHRO
Sylvie Delassus.
Marc Chamley ANTA
Uz podršku DR @ F




-
73 de Sylvie F1PSH
www.radioamateurs.urc.asso.fr




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« Odgovori #16 : 01. Srpanj. 2019, 06:40:38 »
Upravo pronašao na Twitter-u

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« Odgovori #17 : 01. Srpanj. 2019, 14:08:19 »
Proposals on an Agenda item for WRC-23
Subject:
Studies on frequency-related matters, including possible additional allocations, for the possible introduction of new non-safety aeronautical mobile applications.
Origin: France
Proposal:
In accordance with Resolution [EUR-B10-2] (WRC-19), to review studies on spectrum needs, coexistence with radiocommunication services and regulatory measures for the possible introduction of new non-safety aeronautical mobile applications:
-   Spectrum needs for new non-safety aeronautical mobile applications for air to air, ground to air and air to ground communications of manned and unmanned aircraft systems.
-   Studies within the bands already allocated on a primary basis to the mobile except aeronautical mobile service above 146 MHz and up to 23 GHz in order to evaluate the possible revision or deletion of the “except aeronautical mobile” restriction. The following bands are proposed to be studied : 162,0375-174,000 MHz, 862-874 MHz and 22-22.21 GHz.
-   Study possible new allocations to the aeronautical mobile service in the bands 144-146 MHz, 5000-5010 MHz and 15.4-15.7 GHz, while ensuring the continued operations and the protection of existing services in those bands and, as appropriate, adjacent bands, and not constraining future development of these services.

Background/reason:
The number of manned and unmanned aircraft equipped with sensors has grown significantly in the past 20 years together with the need of bidirectional low to high data rate communications.
One can mention the following applications: fire surveillance, border surveillance, air quality and environment monitoring, traffic monitoring, disaster monitoring, terrain modelling, imagery (visible, infrared, radar, meteo), video monitoring… Such applications require communications identification, sensor control or synchronization and for access to ground databases.
Consequently the need of non-safety data communications between various types of aeronautical platforms exponentially increases.
At the same time, there is no clear identification of those bands in which non-safety aeronautical mobile applications may be developed with a sufficient level of confidence for long term use by the industry. In addition, the existing mobile allocations which can be used for non-safety aeronautical mobile applications have some limitations due to coexistence with other services in the band. Furthermore the decisions of previous conferences have introduced some restrictions to the use and have imposed constraints on the development of  wideband aeronautical mobile applications within some existing mobile allocations traditionally used by the aeronautical mobile applications.
In consequence an adaptation of the regulatory framework for further visibility, protection and development of wideband non-safety aeronautical mobile applications is required. Use of innovative sharing methods may be considered to ensure the protection of existing services while offering the possibility to have access to new frequency bands. The sharing methods could consider, for example, to take into account the separation linked to the altitude of the aircrafts or power control. In addition, the access may be supported by effective tuning ranges and may be authorized depending on national circumstances and spectrum policies.
Several frequency bands are proposed for investigation within different ranges  in order to meet the various operational requirements for new non-safety aeronautical mobile applications. Implementation of separation distances for such aeronautical systems or pfd limits or others regulatory measures may be envisaged.

Radiocommunication services concerned: MS and AMS

Indication of possible difficulties:
Protection of existing services within the bands and adjacent bands allocated to the mobile except aeronautical mobile service.
Protection of existing services within the bands and adjacent bands proposed for a new allocation to the aeronautical mobile service.

Previous/ongoing studies on the issue: no recent studies for aeronautical mobile applications, other than those for related to safety.

Studies to be carried out by: ITU-R WP5B
   with the participation of:
ITU R Study Groups concerned: SG-4, SG-5, SG-6, SG-7

ITU resource implications, including financial implications (refer to CV126):
This proposed agenda item will be studied within the normal ITU-R procedures and planned budget.

Common regional proposal: Yes   Multicountry proposal: No
Number of countries:








vezano za 23 cm
 CPG      Doc. PTA(19)078
CPG19 PTA-7
Prague, Czech Republic / 17-21 June 2019
   
Date issued:    5 June 2019
Source:    France
Subject:    WRC-23 Agenda Item on the protection of RNSS from amateur emissions in the band 1240-1300 MHz
Group membership required to read? (Y/N)

Summary:
Contributions submitted at the April 2019 meeting of CPG PTA provided measurement results that examined the effect of interference from the amateur service to Galileo receivers in the band 1260-1300 MHz.
In view of :
   the geographical extent of interference cases already met, with amateur stations distant from Galileo receivers by several tens of kilometres, despite very limited Galileo test receiver deployment
   the planned ubiquitous deployment of Galileo receivers using the E6 signal,
   the use of the band by other RNSS systems such as QZSS (Japan) and Compass (China), and Glonass in the band 1240-1260 MHz
France shares the European Commission view that a WRC-23 agenda item is necessary to address the issue to avoid undue burden on administrations that would otherwise have to deal with each interference case individually.
The new agenda item focuses on the review of the usage of the band 1240-1300 MHz by the amateur service and the RNSS, and proposes that technical, regulatory or operational measures are determined and then decided by WRC-23 to ensure protection of RNSS receivers.
Proposal:
CPG PTA is requested to consider the attached proposal, and to take it into account in its work on a European Common Proposal for WRC-19 Agenda Item 10.
Background:
WRC-2000 allocated the band 1260-1300 MHz to RNSS (space-to-Earth), and WRC-03 decided the complete regulatory framework. Today, the RNSS systems: Galileo, Glonass, Compass, and QZSS share the band 1240-1300MHz with amateur radio.
Although Galileo receivers are not yet widely deployed, several cases of interference into Galileo receivers from the Amateur Service have been identified at a number of sites. The interfering amateur stations were located and shutdown, but significantly in one case, the interfering amateur station was 60 km away, and all cases took several hours or even days to be identified.
Galileo is close to full operational capability and the E6 signals will support new services such as the free-to-use Galileo High Accuracy Service and authentication, expected to be used by a variety of applications including autonomous vehicles and Internet of Things (IOT). There is therefore a serious concern that cases of interference by amateur stations will rapidly grow in number, and it is hence necessary that this issue be addressed in a timely manner at WRC-23.
Note that this proposal was discussed recently at the CPG19-8 meeting in Stockholm (20-24 May 2019), which tasked CPG PTA to consider it further, together with other possible contributions on the same subject. In parallel, a new work item on this RNSS-Amateur coexistence issue was recently discussed by WG FM in view of the development of an ECC Decision, and WG SE would be requested to initiate technical work.

Offline 9a5ay

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« Odgovori #18 : 01. Srpanj. 2019, 19:23:52 »
Cak su i ameri protiv otimačine 2m banda
https://youtu.be/lf14OSTzLNQ

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« Odgovori #19 : 13. Srpanj. 2019, 17:49:22 »
European Common Proposals
PROPOSALS FOR THE WORK OF THE CONFERENCE


ADD   EUR/9AXX/4

DRAFT NEW RESOLUTION [EUR-B10-2] (WRC-19)
Studies on frequency-related matters, including possible additional allocations, for the possible introduction of new non-safety aeronautical mobile applications.
The World Radiocommunication Conference (Sharm el-Sheik Egypt, 2019),

   considering
a)   that the number of manned and unmanned aircraft equipped with sensors has grown significantly in the past 20 years;
b)   that the need for bidirectional low to high data rate communications between aeronautical stations and aircraft stations, or between aircraft stations is consequently increasing;
c)   that the considered communication data links implement channel bandwidths from some kHz up to some hundreds of MHz requiring to study frequencies in the VHF range up to 23 GHz.
d)   that these new aeronautical communications are not related to safety of flights;
e)   that there is no clear identification of those bands in which these new aeronautical communication systems may be developed with a sufficient level of confidence for long term investment by industry;
f)   that the decisions of previous conferences have introduced some restrictions to the use and have imposed constraints on the development of these communication systems within several existing mobile allocations traditionally used by the aeronautical mobile applications;
g)   that the existing mobile allocations which can be used by these communication systems have some limitations due to coexistence with other services in the band;
h)   that in Region 1, there are allocations to the mobile except aeronautical mobile service in some frequency bands which are allocated to the mobile service in Regions 2 and 3;
i)   that harmonized worldwide allocation would facilitate the implementation of these new aeronautical communication systems ;
j)   the only frequency ranges beyond 400 MHz, worldwide identified for aeronautical mobile applications other than those with the mobile allocation, those en route (R) or for telemetry are beyond 55 GHz as per N° 5.558;
k)   that an adaptation of the regulatory framework for further visibility, protection and development of non-safety aeronautical mobile applications may be required;

   recognizing
d)   that new allocations for the aeronautical mobile service in the range 144-174 MHz would extend the existing usage in the band 138-144 MHz and would ensure the possibility to  develop systems operating on a wider tuning range providing that the protection of the incumbent services is ensured;

   noting
a)   that the band 144-146 MHz is allocated to the amateur and amateur-satellite on a primary basis in all Regions;

        resolves to invite ITU-R
1   to study spectrum needs for new non-safety aeronautical mobile applications for air to air, ground to air and air to ground communications of manned and unmanned aircraft systems;
2   to study the bands 162,0375-174 MHz, 862-874 MHz and 22-22.21 GHz already allocated on a primary basis to the mobile except aeronautical mobile service, in order to evaluate the possible revision or deletion of the “except aeronautical mobile” restriction;
3   to study possible new allocations to the aeronautical mobile service in the bands 144-146 MHz, 5000-5010 MHz and 15.4-15.7 GHz, while ensuring the continued operation and the protection of existing services in the considered bands and, as appropriate, adjacent bands, and not constraining future development of these services;
4   to review studies in resolve 1 to 3 and elaborate regulatory measures for the possible introduction of new non-safety aeronautical mobile applications;
5   to complete studies in time for WRC 23,
   further resolves to invite WRC-23
to review the results of these studies and take appropriate actions,
   invites administrations
to participate actively in the studies by submitting contributions to ITU-R.



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« Odgovori #20 : 13. Srpanj. 2019, 17:53:57 »
O dva metra zasad ni riječi.

 CPG PTA 7
Prague, 17th - 21st June 2019

Date issued:    4th June 2019
Source:    IARU Region 1
Subject:    RNSS Proposal WRC-19 AI 10
Group membership required to read? (Y/N)



Summary:

CPG meeting # 8 considered a WRC-23 agenda item proposal in document CPG(19)088 (RNSS and Amateur service in 1240-1300 MHz) and tasked PTA to consider the matter further. The proposal invites a review and ITU-R studies "…leading to technical, regulatory and operational recommendations to the Conference, enabling that Conference to decide on effective measures to ensure the protection without undue constraints of RNSS (space-to-Earth) receivers by the amateur and amateur-satellite services".
At its last meeting PT44 in WG-FM also considered reports and preliminary studies (previously presented in PTA) on the susceptibility of RNSS receivers in the band 1240-1300 MHz to interference from the amateur service in the same range. Since the CPG meeting the IARU has continued to express support for a proposal made to WG-FM meeting #94 (FM(19)081-A6) following which WG-FM asked PT44 to continue to work on the topic in conjunction with WG-SE. IARU believes that the preliminary studies presented to CEPT (WG-FM, PTA and FM PT44) already offer good potential for developing opportunities for effective protection of the RNSS receivers.
At this time the IARU believes that WRC action would be premature and requests that it is not supported as a proposal for the WRC-23 agenda.


Proposal:
For now, the IARU believes that WRC action on this topic is premature. The documentation provided to date reports only one interference issue with a specific amateur application experienced at a Galileo control centre rather than in user devices. There is little knowledge about the characteristics of realistic deployment scenarios for user devices, how susceptible they might be to transmissions from other services in the field and how likely they are to experience interference from the Amateur service in the field. Proper account needs to be taken of the operational characteristics of the Amateur service in order to develop sensible and proportionate measures that will facilitate the continued utility of the band for amateur experimentation whilst respecting the primary status of the RNSS service.

The IARU respectfully requests that administrations do not support a WRC AI proposal at this time to allow:
a) Technical and regulatory studies in ECC WG-FM and SE to be finalised that can take into account a more complete understanding of the real likelihood for interference to user RNSS receivers in the field considering the propagation environments and operational characteristics of both services.
b) Time for gaining operational experience in the effectiveness of any regulatory measures that may be developed. 

Background:
The International Amateur Radio Union (IARU) represents the interests of amateur radio experimenters and operators worldwide. Amateur radio provides the possibility for people of all ages, gender and nationalities to gain practical hands on experience through the nationally regulated use of radio spectrum for the study and understanding of terrestrial and space wireless communications.  Indeed many radio amateurs who experienced amateur radio communications in their youth have used the skills gained for their technical and/or scientific careers in later life. (See: https://www.iaru-r1.org/index.php/web-links-sp-999616743).
The international amateur radio community has followed with great interest the successful implementation of European GNSS systems, in particular GALILEO.  The IARU understands and recognises the great opportunities that the system offers to Europe and the World at large. According to recent information one of  Galileo’s next major steps is the active utilisation of the GALILEO E6B/C signal offering dual-frequency accuracies (E1/E6) and a commercial service in the frequency range  1 260-1 300 MHz. This range sits within the global 1 240 – 1 300 MHz Amateur Service allocation in the international Radio Regulations (as well as other services).
This frequency range has been used for many years for technical investigations and experimental use by amateur stations for a range of applications. It is an important band for the Amateur Service as it sits at the boundary between lower frequency UHF and VHF bands for which there is a good supply of commercial equipment and the higher frequency microwave bands that require a greater degree of self-provision and experimentation. It is the technical challenge of this latter requirement that drives the interest and self-training in the use of these frequencies.
As a consequence of the importance of the band for the Amateur Service and the opportunities for coexistence suggested by the technical measurement campaigns reported by the German administration and the European Commission JRC, the IARU has spoken against the WRC-23 agenda item proposals made in the European WRC preparatory process (taking place in CPG PTA).  IARU believes that a WRC agenda item is not the most efficient means to develop the solutions and guidance to solve any coexistence issue between the GNSS and the Amateur Service. In modern times the limited radio spectrum resource has become more apparent as new applications and technologies make use of ever higher frequencies and there has been a growing emphasis on increased spectrum sharing to facilitate opportunities for all spectrum users where possible. The European Commission itself supports this approach in several cases through measures adopted under the Radio Spectrum Decision (Decision No 676/2002/EC of the European Parliament and of the Council of 7 March 2002 on a regulatory framework for radio spectrum policy in the European Community).
IARU is ready and willing to participate and contribute towards the development of appropriate and proportionate measures within the CEPT working groups that can facilitate successful coexistence that build upon the good work reported in the studies mentioned above.


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« Odgovori #21 : 15. Kolovoz. 2019, 17:23:06 »
At its July meeting, the ARRL Board of Directors resolved that “at the appropriate time” ARRL will oppose a proposal by France to include 144 – 146 MHz among spectrum to study for non-safety Aeronautical Mobile Service applications with an eye toward sharing the spectrum with the Amateur Services. The action came as the Board met July 19 – 20 in Windsor, Connecticut for its second meeting of 2019. The Board pointed out that 144 – 146 MHz is allocated globally to the Amateur Service on a primary basis and enjoys widespread use for emergency communication. It also pointed to the investment by radio amateurs of money and effort to build repeaters, beacons, space infrastructure, and propagation research systems that have global reach. The AMSAT and ARISS communities would be severely affected as many spacecraft use 2 meters to facilitate communication, the Board noted.

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« Odgovori #22 : 30. Kolovoz. 2019, 19:06:50 »
The 144 – 146 MHz Amateur Radio segment has been removed from a French proposal to study spectrum additional for Aeronautical Mobile Service (AMS) applications. France had included the band, which comprises the entire 2 meter band in ITU Region 1, for consideration as a European Conference of Telecommunications and Postal Administrations (CEPT) position for World Radiocommunication Conference 2019 (WRC-19). Heading into a just-ended CEPT Conference Preparatory Group (CPG) meeting in Turkey this past week, France was holding firm on the proposal to have AMS share 144 – 146 MHz with Amateur Radio. The CPG meeting considered CEPT ECC positions on this and other issues for WRC-19.

The International Amateur Radio Union (IARU) had called the French proposal for 144 – 146 MHz “unsound” and contended that sharing of the current amateur allocation with AMS radio systems would not be possible “without a significant likelihood of mutual interference.”
« Zadnja izmjena: 31. Kolovoz. 2019, 11:07:07 9A2V »