Slopes (m) for low altitude experiments, foE only ================================================== arcd* dlayer* m<1 means ISR densities are less than Ionosonde densities. A magic_const of 1.0 is assumed unless otherwise stated. VHF slopes (m) for low altitude experiments =========================================== dsnd analysis date modulation calib_ne(foE) magic_const VHF m +/- error ------------------------------------------------------ 29 Mar 2001 dlayer 5.71 ±2.91 1.367 30 Mar 2001 dlayer 16.44 ±0.00 1.367 02 Apr 2001 dlayer 1.73 ±0.00 1.367 11 May 2001 dlayer 0.23 ±0.01 1.367 28 May 2001 dlayer 0.28 ±0.12 1.367 07 Jun 2001 dlayer 0.23 ±0.11 1.367 08 Jun 2001 dlayer 0.22 ±0.25 1.367 09 Jun 2001 dlayer 0.21 ±0.15 1.367 10 Jun 2001 dlayer 0.52 ±0.00 1.367 11 Jun 2001 dlayer 0.19 ±0.01 1.367 12 Jun 2001 dlayer 0.22 ±0.04 1.367 13 Jun 2001 dlayer 0.28 ±0.05 1.367 14 Jun 2001 dlayer 0.36 ±0.09 1.367 15 Jun 2001 dlayer 0.30 ±0.04 1.367 16 Jun 2001 dlayer 0.28 ±0.04 1.367 17 Jun 2001 dlayer 0.29 ±0.02 1.367 19 Jun 2001 dlayer 0.28 ±0.02 1.367 20 Jun 2001 dlayer 0.28 ±0.05 1.367 22 Jun 2001 dlayer 0.27 ±0.05 1.367 23 Jun 2001 dlayer 0.24 ±0.05 1.367 24 Jun 2001 dlayer 0.27 ±0.07 1.367 25 Jun 2001 dlayer 0.27 ±0.02 1.367 25 Sep 2001 dlayer No dynasonde data(?) 05 Nov 2001 dlayer No dynasonde echoes 15 Nov 2001 dlayer 0.30 ±0.02 1.367 16 Nov 2001 dlayer 0.20 ±0.06 1.367 17 Nov 2001 dlayer 0.21 ±0.05 1.367 19 Nov 2001 dlayer 0.23 ±0.04 1.367 23 Nov 2001 dlayer No dynasonde data(?) 26 Nov 2001 dlayer 6.69 ±9.13 1.367 dsnd analysis date modulation calib_ne(foE) magic_const VHF m +/- error ------------------------------------------------------ 19 Feb 2002 dlayer 0.35 ±0.10 1.367 21 Feb 2002 dlayer 0.43 ±0.10 1.367 01 Jul 2002 dlayer 0.16 ±0.13 1.367 02 Jul 2002 dlayer 0.36 ±0.02 1.367 03 Jul 2002 dlayer 0.02 ±0.01 1.367 04 Jul 2002 dlayer 0.01 ±0.00 1.367 05 Jul 2002 dlayer No dynasonde data (?) 06 Jul 2002 dlayer No dynasonde data (?) 07 Jul 2002 dlayer No dynasonde data (?) 08 Jul 2002 dlayer 0.19 ±0.04 1.367 09 Jul 2002 dlayer 0.22 ±0.03 1.367 10 Jul 2002 dlayer 0.23 ±0.02 1.367 11 Jul 2002 dlayer 0.22 ±0.02 1.367 12 Jul 2002 dlayer 0.15 ±0.04 1.367 13 Jul 2002 dlayer 0.21 ±0.03 1.367 14 Jul 2002 dlayer 0.20 ±0.01 1.367 15 Jul 2002 dlayer No dynasonde data (?) 01 Aug 2002 dlayer 0.38 ±0.10 1.367 02 Aug 2002 dlayer 0.23 ±0.06 1.367 dsnd analysis date modulation calib_ne(foE) magic_const VHF m +/- error ------------------------------------------------------ 23 Jan 2003 dlayer 0.14 ±0.01 1.367 24 Jan 2003 dlayer 0.40 ±0.09 1.367 27 Jan 2003 dlayer 0.37 ±0.08 1.367 28 Jan 2003 dlayer 0.29 ±0.08 1.367 05 Mar 2003 dlayer 0.69 ±0.20 1.367 06 Mar 2003 dlayer 0.30 ±0.13 1.367 31 May 2003 arcd 0.84 ±0.10 1.367 foE hand-checked 12 Jun 2003 arcd 0.80 ±0.05 1.367 27 Jun 2003 dlayer 0.45 ±0.04 1.367 30 Jun 2003 arcd 0.59 ±0.07 01 Jul 2003 arcd 0.82 ±0.11 1.367 02 Jul 2003 arcd 1.05 ±0.18 1.367 28 Oct 2003 arcd 0.56 ±0.06 1.367 21 Nov 2003 arcd 0.51 ±0.06 1.367 foE hand-checked dsnd analysis date modulation calib_ne(foE) magic_const VHF m +/- error ------------------------------------------------------ 22 Feb 2004 arcd 0.51 0.08 1.0 (suggest 1.95) 14 Jun 2004 arcd 0.79 ±0.21 1.367 15 Jun 2004 arcd 0.78 ±0.15 1.367 16 Jun 2004 arcd 0.73 ±0.30 1.367 17 Jun 2004 arcd 0.74 ±0.19 1.367 18 Jun 2004 arcd 0.77 ±0.20 1.367 30 Jun 2004 arcd 0.97 ±0.16 1.367 foE, hand-checked 02 Jul 2004 arcd 1.00 ±0.08 1.367 foE, hand-checked 05 Jul 2004 arcd 1.09 ±0.22 1.367 foE, hand-checked 06 Jul 2004 arcd 1.00 ±0.17 1.367 foE, hand-checked 07 Jul 2004 arcd 1.15 ±0.21 1.367 foE, not fEs, hand-checked 08 Jul 2004 arcd 1.04 ±0.15 1.367 foE, not fEs, hand-checked 10 Jul 2004 arcd 0.98 ±0.16 1.367 foE, not fEs, hand-checked 11 Jul 2004 arcd 0.93 ±0.18 1.367 foE, not fEs, hand-checked 12 Jul 2004 arcd 0.95 ±0.18 1.367 foE, not fEs, hand-checked 13 Jul 2004 arcd 1.07 ±0.12 1.367 foE, not fEs, hand-checked 14 Jul 2004 arcd 0.92 ±0.08 1.367 foE, hand-checked 15 Jul 2004 arcd 0.90 ±0.11 1.367 foE, hand-checked 29 Oct 2004 arcd 0.69 ±0.15 1.367 01 Nov 2004 arcd 0.30 ±0.03 1.367 09 Nov 2004 arcd 0.65 ±0.12 1.367 10 Nov 2004 arcd 0.57 ±0.41 1.367 11 Nov 2004 arcd 0.61 ±0.24 1.367 12 Nov 2004 arcd 0.55 ±0.27 1.367 13 Nov 2004 arcd 0.62 ±0.13 1.367 11 Dec 2004 arcd 0.50 ±0.18 1.367 dsnd analysis date modulation calib_ne(foE) magic_const VHF m +/- error ------------------------------------------------------ 10 Jan 2005 arcd 0.51 ±0.05 1.367 12 Jan 2005 arcd 0.84 ±0.22 1.367 13 Jan 2005 arcd 0.73 ±0.17 1.367 14 Jan 2005 arcd 0.70 ±0.08 1.367 17 Jan 2005 arcd Absorption 1.367 18 Jan 2005 arcd Absorption 1.367 21 Jan 2005 arcd Absorption 1.367 01 Jun 2005 arcd 0.81 ±0.14 1.367 01 Jul 2005 arcd 0.74 ±0.18 1.367 foE, not fEs, hand-checked 02 Jul 2005 arcd 0.77 ±0.10 1.367 foE, not fEs, hand-checked 04 Jul 2005 arcd 0.83 ±0.10 1.367 foE, not fEs, hand-checked 05 Jul 2005 arcd 0.92 ±0.07 1.367 foE, not fEs, hand-checked 06 Jul 2005 arcd 1.04 ±0.20 1.367 foE, not fEs, hand-checked 07 Jul 2005 arcd 0.84 ±0.08 1.367 foE, not fEs, hand-checked 08 Jul 2005 arcd 0.85 ±0.07 1.367 foE, not fEs, hand-checked 09 Jul 2005 arcd 1.03 ±0.31 1.367 foE, not fEs, hand-checked 10 Jul 2005 arcd 0.83 ±0.03 1.367 foE, not fEs, hand-checked 09 Oct 2005 arcd 1.05 ±0.32 1.367 foE, not fEs, hand-checked 10 Oct 2005 arcd 1.23 ±0.77 1.367 foE, not fEs, hand-checked 24 Nov 2005 arcd 0.83 ±0.22 1.367 25 Nov 2005 arcd 1.02 ±0.61 1.367 dsnd analysis date modulation calib_ne(foE) magic_const VHF m +/- error ------------------------------------------------------ 30 Jun 2006 arcd 0.85 ±0.15 1.367 01 Jul 2006 arcd 1.01 ±0.07 1.367 foE, not fEs, hand-checked 02 Jul 2006 arcd 1.00 ±0.09 1.367 foE, not fEs, hand-checked 03 Jul 2006 arcd 0.97 ±0.06 1.367 foE, not fEs, hand-checked 04 Jul 2006 arcd 0.97 ±0.05 1.367 foE, not fEs, hand-checked 05 Jul 2006 arcd 0.87 ±0.06 1.367 foE, not fEs, hand-checked 06 Jul 2006 arcd 1.26 ±0.16 1.367 foE, not fEs, hand-checked 28 Jul 2006 arcd 1.12 ±0.21 1.367 foE, not fEs, hand-checked 29 Jul 2006 arcd 1.35 ±0.44 1.367 foE, not fEs, hand-checked 03 Aug 2006 arcd 0.98 ±0.38 1.367 foE, not fEs, hand-checked 04 Aug 2006 arcd 0.85 ±0.34 1.367 foE, not fEs, hand-checked 12 Aug 2006 arcd 0.94 ±0.11 1.367 foE, not fEs, hand-checked 13 Aug 2006 arcd 1.09 ±0.18 1.367 foE, not fEs, hand-checked 06 Sep 2006 arcd 0.68 ±0.1 1.367 foE, auroralE hand-checked 07 Sep 2006 arcd 0.76 ±0.09 1.367 foE, not fEs, hand-checked 08 Sep 2006 arcd 0.83 ±0.09 1.367 foE, not fEs, hand-checked 09 Sep 2006 arcd 0.78 ±0.07 1.367 foE hand-checked 24 Oct 2006 arcd 1.03 ±0.32 1.367 foE, not fEs, hand-checked 23 Nov 2006 arcd 0.68 ±0.24 1.367 24 Nov 2006 arcd 0.97 ±0.12 1.367 27 Nov 2006 arcd 0.57 ±0.18 1.367 28 Nov 2006 arcd 1.25 ±0.49 1.367 dsnd analysis date modulation calib_ne(foE) magic_const VHF m +/- error ------------------------------------------------------ 21 Jun 2007 arcd 1.30 ±0.04 1.367 foE hand-checked (suggest 1.06) 22 Jun 2007 arcd 1.07 ±0.05 1.367 foE hand-checked 25 Jun 2007 arcd 1.43 ±0.09 1.367 foE hand-checked (suggest 0.95) 26 Jun 2007 arcd 1.46 ±0.10 1.367 foE hand-checked (suggest 0.93) 28 Jun 2007 arcd 1.44 ±0.18 1.367 foE hand-checked (suggest 0.95) 10 Jul 2007 arcd 1.01 ±0.21 1.0 foE hand-checked (suggest 1.35) 12 Jul 2007 arcd 1.08 ±0.46 1.367 foE (suggest 1.27) 13 Jul 2007 arcd 1.51 ±0.42 1.367 foE (suggest 0.90) 16 Jul 2007 arcd 1.51 ±0.28 1.367 foE, hand-checked (suggest 0.90) 17 Jul 2007 arcd 0.96 ±0.38 1.367 foE, (suggest 1.42) 18 Jul 2007 arcd 0.76 ±0.15 1.367 foE, (suggest 1.80) 19 Jul 2007 arcd 1.06 ±0.14 1.367 foE, (suggest 1.29) 01 Aug 2007 arcd 0.46 ±0.19 1.367 foE (suggest 3.00) 02 Aug 2007 arcd 1.05 ±0.36 1.367 foE (suggest 1.30) 03 Aug 2007 arcd 0.89 ±0.19 1.367 foE (suggest 1.53) 04 Aug 2007 arcd 0.64 ±0.18 1.367 foE (suggest 2.14) 05 Aug 2007 arcd 0.64 ±0.31 1.367 foE (suggest 2.12) 06 Aug 2007 arcd 1.05 ±0.18 1.367 foE (suggest 1.30) 07 Aug 2007 arcd 1.12 ±0.45 1.367 foE (suggest 1.22) 08 Aug 2007 arcd 1.06 ±0.16 1.367 foE (suggest 1.29) 09 Aug 2007 arcd 1.12 ±0.23 1.367 foE (suggest 1.23) 10 Aug 2007 arcd 1.64 ±0.18 1.367 foE (suggest 0.83) 11 Aug 2007 arcd 1.02 ±0.17 1.367 foE (suggest 1.34) 12 Aug 2007 arcd 1.29 ±0.24 1.367 foE (suggest 1.06) 13 Aug 2007 arcd 1.64 ±0.13 1.367 foE (suggest 0.83) 14 Aug 2007 arcd 1.15 ±0.08 1.367 foE hand-checked (suggest 1.19) 05 Dec 2007 arcd 0.64 ±0.25 1.00 foE (suggest 1.56) 11 Dec 2007 arcd 0.85 ±0.30 1.00 foE (suggest 1.18) 12 Dec 2007 arcd 0.77 ±0.24 1.00 foE (suggest 1.30) 13 Dec 2007 arcd 0.78 ±0.19 1.00 foE (suggest 1.29) dsnd analysis date modulation calib_ne(foE) magic_const VHF m +/- error ------------------------------------------------------ 29 Jan 2008 arcd 0.75 ±0.15 1.0 foE 30 Jan 2008 arcd 0.71 ±0.29 1.0 foE 31 Jan 2008 arcd 0.79 ±0.43 1.0 foE 01 Feb 2008 arcd 1.05 ±0.79 1.0 foE (suggest 0.95) 02 Feb 2008 arcd 0.82 ±0.30 1.0 foE (suggest 1.23) 03 Feb 2008 arcd 0.85 ±0.22 1.0 foE (suggest 1.18) 05 Feb 2008 arcd 0.78 ±0.22 1.0 foE (suggest 1.28) 06 Feb 2008 arcd 0.88 ±0.12 1.0 foE (suggest 1.14) 07 Feb 2008 arcd 1.27 ±0.59 1.0 foE (suggest 0.79) 08 Feb 2008 arcd 0.86 ±0.23 1.0 foE (suggest 1.16) 09 Mar 2008 arcd 0.91 ±0.79 1.0 foE (suggest 1.10) 12 Dec 2008 manda 0.73 ±0.13 1.0 foE dsnd analysis date modulation calib_ne(foE) magic_const VHF m +/- error ------------------------------------------------------ 12 Mar 2009 arcd 0.92 ±0.29 1.0 foE (suggest 1.09) 11 Jun 2009 arcd 1.13 ±0.10 1.0 foE (suggest 0.89) 12 Jun 2009 arcd 1.24 ±0.45 1.0 foE (suggest 0.81) 20 Jul 2009 arcd 1.09 ±0.08 1.0 foE (suggest 0.92) 09 Dec 2009 arcd 0.95 ±0.74 1.0 foE (suggest 1.05) 13 Dec 2009 arcd . ± . 1.0 foE (suggest . ) 14 Dec 2009 arcd 1.10 ±0.56 1.0 foE (suggest 0.91) 15 Dec 2009 arcd 1.05 ±0.77 1.0 foE (suggest 0.95) 16 Dec 2009 arcd 0.75 ±0.39 1.0 foE (suggest 1.32) 17 Dec 2009 arcd 0.83 ±0.57 1.0 foE (suggest 1.20) dsnd analysis date modulation calib_ne(foE) magic_const VHF m +/- error ------------------------------------------------------ 02 Dec 2010 arcd 0.87 ±0.09 1.0 foE (suggest 1.15) 03 Dec 2010 arcd 0.52 ±0.84 1.0 foE (suggest 1.93) 05 Dec 2010 arcd 0.73 ±0.13 1.0 foE (suggest 1.38) 06 Dec 2010 arcd 0.69 ±0.26 1.0 foE (suggest 1.44) 10 Dec 2010 arcd 0.71 ±0.15 1.0 foE (suggest 1.40) 12 Dec 2010 arcd 0.40 ±0.61 1.0 foE (suggest 0.71) 13 Dec 2010 arcd 1.08 ±0.10 1.0 foE (suggest 0.93) 14 Dec 2010 arcd 0.54 ±0.13 1.0 foE (suggest 1.84) 16 Dec 2010 arcd 0.78 ±0.23 1.0 foE (suggest 1.28) 17 Dec 2010 arcd 0.73 ±0.09 1.0 foE (suggest 1.37) 18 Dec 2010 arcd 0.58 ±0.01 1.0 foE (suggest 1.73) dsnd analysis date modulation calib_ne(foE) magic_const VHF m +/- error ------------------------------------------------------ 20 Jun 2013 arcd 1.06 ±0.1 1.0 foE (suggest 0.94) 24 Jun 2013 arcd 0.75 ±0.2 1.0 foE (suggest 1.34) 25 Jun 2013 arcd 0.96 ±0.22 1.0 foE (suggest 1.04) 27 Jun 2013 arcd 0.89 ±0.34 1.0 foE (suggest 1.12) 01 Jul 2013 arcd 0.87 ±0.12 1.0 foE (suggest 1.14) 03 Jul 2013 arcd 1.05 ±0.12 1.0 foE (suggest 0.95) 04 Jul 2013 arcd 1.20 ±0.09 1.0 foE (suggest 0.84)