From 45823b2468645745f706fd467d08b29717942176 Mon Sep 17 00:00:00 2001
From: djk <djk>
Date: Sat, 6 Nov 1999 11:47:22 +0000
Subject: [PATCH] put in long path stuff for show/muf (not convinced it works)

---
 cmd/Commands_en.hlp |  9 ++++++++-
 cmd/show/muf.pl     | 22 +++++++++++++++++++++-
 2 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/cmd/Commands_en.hlp b/cmd/Commands_en.hlp
index 015bc790..aec709dd 100644
--- a/cmd/Commands_en.hlp
+++ b/cmd/Commands_en.hlp
@@ -468,7 +468,7 @@ string to see a selection of files in a filearea eg:-
 
 See also TYPE - to see the contents of a file.
 
-=== 0^SHOW/MUF <prefix> [<hours>]^Show the likely propagation to a prefix
+=== 0^SHOW/MUF <prefix> [<hours>][long]^Show the likely propagation to a prefix
 This command allow you to estimate the likelihood of you contacting
 a station with the prefix you have specified. The output assumes a modest
 power of 20dBW and receiver sensitivity of -123dBm (about 0.15muV/10dB SINAD)
@@ -527,6 +527,13 @@ inputing:-
 will get you the above display, but with the next 24 hours worth of
 propagation data.
 
+  SH/MUF W L 24
+  SH/MUF W 24 Long
+
+Gives you an estimate of the long path propagation characterics. It
+should be noted that the figures will probably not be very useful, nor
+terrible accurate, but it is included for completeness.
+
 === 0^SHOW/PREFIX <callsign>^Interrogate the prefix database 
 This command takes the <callsign> (which can be a full or partial 
 callsign or a prefix), looks up which internal country number 
diff --git a/cmd/show/muf.pl b/cmd/show/muf.pl
index 65cc21b5..5487ea0d 100644
--- a/cmd/show/muf.pl
+++ b/cmd/show/muf.pl
@@ -10,8 +10,18 @@
 #
 
 my ($self, $line) = @_;
-my ($prefix, $hr2) = split /\s+/, $line;
+my @f = split /\s+/, $line;
+
+my $prefix = uc shift @f;
 return (1, $self->msg('e4')) unless $prefix;
+my $lp;
+my $hr2;
+
+while (@f) {
+	my $f = shift @f;
+	$lp++ if $f =~ /^l/;
+	$hr2 = $f if $f =~ /^\d+$/;
+}
 
 $hr2 = 2 if !$hr2 || $hr2 < 2;
 $hr2 = 24 if $hr2 > 24;
@@ -45,6 +55,16 @@ $b1 *= $d2r;
 $b2 *= $d2r;
 $d = ($d / $R);
 
+# handle long path
+if ($lp) {
+	$d = $pi2 - $d;
+	$b1 += $pi;
+	$b1 -= $pi2 if ($b1 >= $pi2);
+	$b2 += $pi;
+	$b2 -= $pi2 if ($b2 >= $pi2);
+}
+
+
 my ($hr1, $day, $month) = (gmtime($main::systime))[2,3,4];
 $month++;
 my $flux = Geomag::sfi;
-- 
2.43.0