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Systems below 30 MHz (HF and others)

Results:28 total items.
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Contributions  [ Source: United States of America ]   Documents / Contributions
 
Number 
Received Source Title Questions
[ 150 ]  
 
2007-04-23 United States of America   Working document toward a draft new Recommendation: characteristics of advanced High frequency (HF) systems     N/A  
[ 139 ]  
 
2006-08-24 United States of America   Working document toward preliminary draft new Report - Consideration of sharing conditions in the 4-10 MHz band     N/A  
[ 138 ]  
 
2006-08-24 United States of America   Revised draft CPM text for WRC-07 Agenda Item 1.13     N/A  
[ 133 ]  
 
2006-06-21 United States of America   Revisions to WP 9C/107, Annex 4     N/A  
[ 132 ]  
 
2006-06-21 United States of America   Recommended revisions to or suppression of Questions assigned to Working Party 9C     N/A  
[ 114 ]  
 
2006-03-07 United States of America   Revised draft CPM text for WRC-07 Agenda item 1.13     N/A  
[ 104 ]  
 
2005-11-20 United States of America   Revisions to WP 9C - Annexes 4 and 5 - Working document toward a draft new Recommendation: characteristics of systems in the MF/HF bands     205/9, 147/9  
[ 103 ]  
 
2005-11-20 United States of America   Draft new Recommendation ITU-R F. [HF-Enhanced] - Characteristics of enhanced high frequency (HF) communication systems     158/9  
[ 102 ]  
 
2005-11-20 United States of America   Working document toward a preliminary draft new Recommendation ITU-R F.[HF Advanced Systems] - Characteristics of advanced high frequency (HF) communications systems     N/A  
[ 90 ]  
 
2005-09-13 United States of America   Working document toward CPM text for WRC-07 Agenda item 1.13 - Analysis of sharing conditions in the MF/HF bands     N/A  
[ 86 ]  
 
2005-09-09 United States of America   Draft CPM text for WRC-07 Agenda item 1.13     N/A  
[ 85 ]  
 
2005-09-09 United States of America   Development of CPM text for WRC-07 Agenda item 1.13     N/A  
[ 84 ]  
 
2005-09-08 United States of America   United States fixed and mobile HF requirements     N/A  
[ 70 ]  
 
2005-04-11 United States of America   Working document towards CPM text - Disaster Relief support by high frequency (HF) communications systems     N/A  
[ 69 ]  
 
2005-04-11 United States of America   Working document towards draft CPM text - WRC-07 Agenda item 1.13     WRC-07 (§  
[ 68 ]  
 
2005-04-11 United States of America   Preliminary draft new Recommendation - Characteristics of high frequency (HF) electronic messaging communications systems     158/9  
[ 67 ]  
 
2005-04-11 United States of America   Working document toward a preliminary draft new Recommendation - Characteristics of frequency adaptive communications systems in the MF/HF bands     205/9, 147/9  
[ 66 ]  
 
2005-04-11 United States of America   Working document toward a preliminary draft new Recommendation - Characteristics of high frequency (HF) non-adaptive communication systems in the MF/HF bands     147/9  
[ 60 ]  
(Rev.1) 
2005-03-24 United States of America   Working document toward CPM text, WRC-07 Agenda item 1.13, Resolution 544     N/A  
[ 41 ]  
 
2004-09-15 United States of America   Working document toward a preliminary draft new Recommendation - Characteristics of frequency adaptive communications sytems in the MF/HF bands     205/9, 147/9  
[ 40 ]  
 
2004-09-15 United States of America   Working document toward a preliminary draft new Recommendation and draft element of CPM text - Characteristics of high frequency (HF) electronic messaging communications systems     N/A  
[ 39 ]  
 
2004-09-14 United States of America   Working document toward CPM text - Characterization of United States spectrum usage and typical parameters in the HF fixed bands between 4 MHz and 10 MHz     N/A  
[ 38 ]  
 
2004-09-14 United States of America   Draft Liaison statement to WP 6E (Information copies to WP 8A and WP 8B) - Request for clarification of HFBC schedule planning data/statistics indicating a need for additional spectrum allocations in the band 4-10 MHz     N/A  
[ 37 ]  
 
2004-09-14 United States of America   Situational use of the HF spectrum     N/A  
[ 36 ]  
 
2004-09-14 United States of America   WRC-07 Agenda item 1.13 - Draft CPM text     N/A  
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