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Contributions to WP 3L (1998-2000)

[3L/1] Documents to be considered in the 1998-99 study period
[3L/2,3/4,3J/3,3K/2,3M/4] Questions to be brought to the attention of Study Group 3 and its Working Parties
[3L/3,3J/5,3K/4,3M/6] Radiowave propagation studies for CPM-99
[3L/4,9C/7] Response to liaison statement from WP 9C concerning simulation of HF transmission through an ionospheric channel
[3L/5] Response to liaison statement from Working Party 3L concerning simulation of HF transmissions through an ionospheric channel
[3L/6] Liaison statement from Working Party 3M to Working Party 3L concerning development of Recommendation ITU-R P.531 and establishment of JRG 3L-3M
[3L/7] Draft revision of Recommendation ITU-R P.1147 - Prediction of sky-wave field strength at frequencies between about 150 and 1700 kHz
[3L/8] Further studies of the accuracies of the COST 238(PRIME) regional and of the ITU-R global monthly median maps of foF2 and M(3000)F2
[3L/9] Proposed revision to Recommendation ITU-R P.533
[3L/10] Draft revision of Recommendation ITU-R P.1147 - Prediction of sky-wave field strength at frequencies between about 150 and 1700 KHz
[3L/11] Draft revision of Recommendation ITU-R P.371-7 - Choice of indices for long-term ionospheric predictions
[3L/12] Information Document on ionospheric variability
[3L/13] Question ITU-R 212-1/3 - Ionospheric properties - Information document COST 251 instantaneous mapping procedures
[3L/14] Chairman, Rapporteur Group 3L-RG 1 (Realiability) - Recommendation ITU-R P.842-1 - Computation of reliability and compatibility of HF radio systems
[3L/15] ITU-R HF field strength data
[3L/16] Proposed revision to Recommendation ITU-R P.531-4 - Ionospheric propagation data and prediction methods required for the design of satellite services and systems
[3L/17] Measurement and data bank - Conversion of HF sky-wave field strength to available receiver power
[3L/18] Proposed modification to Recommendation ITU-R P.534-3 - Method for calculating sporadic-E field strength
[3L/19] Report to WP 3L for the period January 1997 - September 1998
[3L/20] An objective evaluation of available LF/MF sky-wave propagation models
[3L/21] Report ITU-R P.2011 - Propagation on frequencies above the basic MUF
[3L/22] New RAL short-term forecasting method
[3L/23,9C/22 Part 1] Systems for wideband HF channel simulations
[3L/23,9C/22 Part 2] Systems for wideband HF channel simulations
[3L/26] Chairman's Report (12-14 October 1998) - Ionospheric propagation
[3L/27] Proposed revision of Recommendation ITU-R P.1147 - Prediction of sky-wave field strentgh at frequencies between about 150 to 1700 kHz
[3L/28] Propagation on frequencies above the basic MUF
[3L/29] Proposed modification of Recommendation ITU-R P.1239 - A probability function to predict the F1 layer occurrence and L condition
[3L/30] Information Document on - Cost 251 instantaneous mapping procedure potential applications
[3L/31] Chairman Rapporteur Group 3L-RG5
[3L/32,3J/48,3K/27,3M/93] Draft revision of Recommendation ITU-R P.341-4
[3L/33] Studies of the accuracies of the COST 251 regional and of the ITU-R global monthly median maps of foF2 and M(3000)F2
[3L/34] Additional modifications to the text of Recommendation ITU-R P.533 (Doc. 3/15)
[3L/35] Information document on the combined impact of MSS interference and ionospheric scintillations on GPS receiver performance
[3L/36] Report for the period October 1998-February 1999) - Prediction method development and computer testing group
[3L/38] Chairman's Report (2-9 March 1999) Ionospheric propagation
[3L/39] Liaison statement to ITU-R Study Group 3 - Ionospheric characteristics required by wide band HF ionospheric channel simulators
[3L/40] Predicting the time delay of HF modes in Recommendation ITU-R P.533
[3L/41] Proposed changes to section 9 of Recommendation ITU-R P.842
[3L/42] Proposed revision of Recommendation ITU-R P.684-1 - Prediction of field strength at frequencies below about 500 kHz
[3L/43] Local field-strength distribution in the LF and MF bands and its influence on the operation of digital broadcasting systems
[3L/44] Frequency dependency of the random deviations that occur from day to day in the ground-wave field strength in the LF-MF range affecting the operation of digital broadcasting systems
[3L/45] Proposed revision of Recommendation ITU-R P.684-1 - Prediction of field strength at frequencies below about 500 kHz
[3L/46, 3M/155, 3J/83, 3K/70] Editorial modifications to P series Recommendations in accordance with Resolution ITU-R 44
[3L/47, 3J/84, 3K/71, 3M/156] Questions identified as suitable for approval by the alternative procedure according to Resolution ITU-R 45
[3L/48] Maximum electron density and peak height of the ionospheric E-layer
[3L/49, 3M/166, 3J/93, 3K/80] Radiowave propagation studies for CPM-02
[3L/50] Incorporation of HF field strength data into the data bank D2MF
[3L/51] Measurement and data bank
[3L/52] Chairman, Rapporteur Group 3L-RG6 (Propagation below about 1.7 MHz)
[3L/53] Proposed changes to Questions concerning ionospheric propagation
[3L/54] Proposed revision to Recommendation ITU-R P.531-5 - Improved procedure for evaluating TEC
[3L/55] Chairman, Rapporteur Group 3L-RG7 (Ionospheric channel simulation) - Status Report
[3L/56] Report for the period March 1999 - July 2000 - Propagation on frequencies above the basic MUF
[3L/57] Development of receiving system for the HF field strength measurement campaign
[3L/58] Report for period 1999-2000
[3l/59] List of documents

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