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Sherwood_030909
Sherwood
Maximo - EA1DDO Sherwood data
Noise Floor
AGC Thrshld
dB
100kHz Blocking
Sensitivity
LO Noise
Spacing
Front End Selectivity
Filter Ultimate
Dynamic Range Wide Spaced
kHz
Dynamic Range Narrow Spaced
kHz
3 Septiembre 2009
(dBm)
(uV)
(dB)
(uV)
(dBc)
kHz
(dB)
(dB)
(dB)
Elecraft K3
-130
2.1
3
140s
0.33
138
10
B Band Pass
105
104
20
101pf 96qf 95r
2
-138b
0.6b
0.19b
Perseus
-123
0.15
3
125
0.8
147
10
B Band Pass
109f
99
20
99
2
-125b
0.1b
0.6b
Flex 5000A
-123
2
3
123s
1.3
123
10
B Band Pass
98
96
20
96
2
-135b
0.5b
0.3b
Ten-Tec Orion II
-125
2.7
3
130
0.75
126
10
B Band Pass
100f
95f
20
95i
2
-133b
0.65b
0.3b
Ten-Tec Orion
-127
0.8
3
137
0.6
130
10
B Band Pass
100f
96
20
93
2
-135b
0.25b
Flex 3000
-123
2.1
3
116s
1.35
120
10
B Band Pass
90f
90f
20
90f
2
-139b1
0.13b1
0.16b1
Icom R9500
-127
1.1
3
119
0.7
134
10
B Band Pass
80
110f
20
85f
2
-130b
0.25b
0.2b
-135b1
0.16b1
0.11b1
Drake R-4C / CF-600/6
-138
0.7
3
130
0.15
135
10
A- Preselector
130
85
20
84
2
AOR AR-7030
-122
2.2
3
130
0.5
130
10
D Hi/Lo Pass
90
100
20
82
2
-128b
0.22
Icom IC-765
-134
5
3
143
0.26
130
10
B Band Pass
95f
102
20
81f j m
2
-140b
1.7b
Atlas 350-XL
-131
1
11
117
0.2
125
4
C Band Pass
95
81
20
81
2
Kenwood TS-830 YK88
-129
1.5
3
122
0.1
114
2
C Preselector
85f
84
20
81
2
Ten-Tec Omni VII
-130
0.8
3
130
0.45
124
10
B 0.5 Octave
100f
92
20
80
2
-140b
0.2b
0.17b
Icom IC-7800
-126
4.5
3
>135
0.6
130
10
A Trk Presel
100f
102
20
80f
2
-136b
1.2b
0.15b
-139b1
0.6b1
0.10b1
Elecraft K2
-129
10
15
123
0.35
123
10
B Band Pass
80f
98
20
80f
2
s/n:3170
-136g
1.7b
134h
0.2
Ten-Tec Omni VI+
-135
0.7
3
145
0.2
137
20
B Band Pass
80
97
20
80
2
Yaesu 901-DM
-135
1.6
3
124
0.15
109
2
C Preselector
85
87
20
80f
3
Collins R-390A
-137
N.A.
130
0.2
130
2
A+ Trk Presel
85
81
20
79
2
Ten-Tec Corsair
-131a
0.1
14
130
0.2
132
5
C Band Pass
90
93
20
79
3
Icom IC-7600
-130
5.3
3
126
0.43
121
10
B
78f
100
20
78f
2
-138b
2.35b
0.16b
-141b1
1.13b1
0.11b1
Icom IC-720A
-137
1.6
3
138
0.15
117
10
C 0.5 Octave
80
93
50
78
3
Kenwood TS-820S
-137
0.4
3
115
0.2
125
10
C Preselector
80
79
20
78
3
Kenwood TS-850
-128
2.2
3
128
0.45
90
20
77
2
Inrad-400s
-138b
0.5b
0.15b
JRC NRD-515
-138
3.5
4
103
0.1
118
10
C 0.8 Octave
80
95
20
77f
2
Ten-Tec Omni V
-134
1.2
6
135
0.18
134
10
C Band Pass
100
89
20
76
2
Atlas 210/215X
-120a
N.A.
123
0.5
N.A.
C Band Pass
95
76
20
76
2
Icom 756 Pro III
-132
2.3
3
142
0.35
126
10
B 0.5 Octave
80
99
20
75
2
-140b
0.7
0.14
-142b1
0.3
0.11
Icom 756 Pro II
-133
2.1
3
138
0.32
124
10
B 0.5 Octave
80
98
20
75
2
-138b
0.65
0.15
-141b1
0.26
0.11
Drake R-7
-135
1
3
145
0.28
114
10
B 0.5 Octave
85
97
100
75
2
-140b
0.4b
0.15b
Drake TR-7
-134
1.3
3
146
0.5
116
10
B 0.5 Octave
90
99
100
75
2
Heathkit SB-104
-123
N.A.
92
0.5
N.A.
C Band Pass
75
79
20
75
4
Watkins Jhonson
-129
0.11
3
123
0.23
115
10
D Wideband
80
99
20
75
5
HF-1000
-136ab
0.13b
Icom 706MkIIG
-135
1.9
3
126
0.23
127
10
C Octave
80
87
20
74
2
-140b
0.6
0.12
Ten-Tec Omni-B
-136
0.2
25
129
0.15
130
10
C Preselector
80
87
20
74
2
Icom IC-730
-140
1.5
3
135
0.1
118
10
C 0.5 Octave
80
92
50
74
3
Kenwood R-820S
-125
4
3
125
0.35
123
10
C Preselector
75
74
20
74
4
Collins 75-S3B
-146
1.1
15
122
0.1
120
4
B+ Preselector
85
88
20
74
2
Icom IC-781
-127
2
3
0.5
129
10
B 0.5 Octave
90f
94
20
73
2
-138b
0.5b
0.18b
Icom 781 stock
-128
2.4
3
131
0.5
B 0.5 Octave
90
98
20
78
2
-135b
0.7b
0.22b
Icom 781
-126
3.6
3
134
0.54
B 0.5 Octave
90
98
20
72
2
with PIN diodes
-134b
1.15b
0.21b
Kenwood TS-930S
-135
2
3
143
0.15
115
10
B- 0.5 Octave
80f
86
20
73
3
Icom IC-701
-129
5.5
6
130
0.3
125
10
C Band Pass
75
81
50
73
4
Collins 75S-3C
-141
1.3
12
121
0.14
120
4
B+ Preselector
95
85d
20
72
2
JRC NRD-525
-132a
0.9
3
123
0.2
120
10
B Trk Presel
65
95
50
72
5
Yaesu FT-1000MP MkV Field Inrad Roofing Filter
-133b
3.0b
3
135
0.2b
128
10
B 0.5 Octave
90f
89
20
71k
2
Icom 756 Pro
-127
3.5
3
132
0.55
127
10
B 0.5 Octave
90
86
20
71
2
-136b
1.0b
0.21b
-139b1
0.5b1
0.14b1
Drake R-8
-128
0.6
3
130
0.25
115
10
C 0.5 Octave
75f
90
20
71
5
-131ab
0.3
0.18b
85b
Icom IC-R72
-127
3.1
3
129
0.28
122
10
C 0.5 Octave
75
87b
20
71
5
-135a
1.2b
0.11b
Icom R-9000
-131a
0.8
3
129
0.15
128
10
B 0.5 Octave
90
93
20
71
5
Elecraft K2 s/n: 1140
-135
2.6
15
118
0.22
123
10
B Band Pass
80f
95
20
70
2
JRC NRD-535
-135a
0.9
3
114
0.1
117
10
B Trk Presel
70
92
50
70
5
Kenwood TS-830S
-136a
0.9
3
122
0.1
113
2
C Preselector
80
84
20
70
3
Icom IC-761
-131
2
3
145
0.4
129
10
B- 0.5 Octave
90f
87
20
70
2
-139b
0.7b
0.17b
Kenwood TS-870S
-127
1.9
3
137
0.5
121
10
C 0.5 Octave
90f
95
20
69
2
-137b
0.44b
Yaesu FT-1000MP MkV Field
-133b
3.0b
3
135
0.2b
128
10
B 0.5 Octave
90f
88
20
69
2
Yaesu FT-1000 D
-128b1
6.0b1
3
>131
0.3b1
121
10
B 0.5 Octave
90f
90
20
69
2
Lowe HF-150
-126a
0.7
3
126
0.3
113
10
F No Bandpass
75
84
20
69
5
Kenwood TS-430S
-136a
0.6
3
134
0.1
102
10
C 0.5 Octave
70
78
20
69
5
Yaesu FT-1000 MP
-125
3.8
3
>135
0.48
128
10
B 0.5 Octave
90f
97
20
68
2
-134b
1.1b
0.18b
JRC NRD-545
-130a
2
6
127
0.2
118
10
B 0.5 Octave
65
96
100
68
5
Signal/One CX-11A
-122a
0.6
17
109
0.6
119
50
C 0.5 Octave
105
90
50
68
5f
Kenwood TS-180S
-139
0.9
3
115
0.15
120
10
C Preselector
80
70
20
68
3
Drake TR-4C
-124a
1.2
3
105
0.4
130
10
C Preselector
80
74
20
68
2
Icom IC-735
-126
1.5
12
135
0.35
123
10
C 0.5 Octave
90f
83
20
68
2
-133b
0.18b
Icom IC-R75
-123a
3.5
3
119
0.5
109
10
B 0.5 Octave
80
95
50
67
5
-130b
1.3b
0.2b
Drake SW8
-127a
0.9
3
125
0.32
113
10
N.A.
70
92
20
67
5
Racal 6790 GM
-128
0.3
1
145
0.7
130
10
D Broadband
85
95
20
66
2
Lowe HF-235
-126a
0.8
3
129
0.35
117
10
D Octave
80
71
20
66
5
AOR AR3030
-131a
2
10
130
0.16
117
10
C 0.5 Octave
85
90
20
66
5
Yaesu FRG-100
-133a
0.9
3
127
0.13
112
10
C 0.5 Octave
70
99
50
65
5
Kenwood R-5000
-131a
0.4
3
134
0.2
120
10
C 0.5 Octave
80f
86
20
65
5
Palstar R-30
-123
2.6
3
130
0.35
116
10
C Octave
90
88
20
64
5
Yaesu FRG-7700
-130a
1.3
3
123
0.2
100
10
D Octave
65
83
50
64f
5c
Kenwood R-1000
-130a
0.9
3
119
0.2
107
10
D Octave
70
76
20
64f
3c
Heath SB-303
-134
N.A.
104
0.5
N.A.
C Preselector
70
66
20
64
4
Collins KWM-380
-127a
1.1
5
123
0.3
99
10
B 0.5 Octave
70f
94
50
64f
2
Icom IC-751
-127
6.3
3
138
0.4
127
10
B- 0.5 Octave
90f
84
20
64
2
-133b
0.2b
Icom 7000
-129
4.5
3
119
0.45
122
10
C Octave
65
90
20
63
2
-139b
1
0.13
Yaesu FT-2000
-122
5
3
120
1
122
10
B+ Bandpass
80f
81n
20
63n
2
-132b
1.3b
0.3b
+ Trk
90o
61o
-140b1
0.5b1
0.14b1
Kenwood TS-520
-139
N.A.
116
0.15
N.A.
C Preselector
70
63
20
63
3
Yaesu FT-One
-135
1.0
3
130
0.2
99
10
C 0.5 Octave
80f
91
50
63f
2
Collins 75-S3 Wing
-145
1.0
14
105
0.1
N.A.
B Preselector
75
75
20
63
3
JRC NRD-93
-141
1.6
3
128
0.15
133
10
A+ Trk Presel
80
94
20
63
2
Yaesu FT-980
-136
1.8
3
140
0.12
106
10
C 0.5 Octave
62f
96
50
63
2
Icom IC-R70/R-71A
-129
3.1
3
132
0.4
128
10
B- 0.5 Octave
90f
86
20
62
3
-135b
1.4b
0.2b
Grundig Satellite 700
-127a
1.6
3
106
0.3
118
10
N.A.
85
76
20
62
5
KWZ-30
-130
1
3
120
0.8
118
10
d
80
100
20
60
5
Collins 51S1
-134
1
7
117
0.13
146
10
A Trk Presel
100
84e
100
60
5
Icom R-8500
-135a
0.45
3
132
0.11
131
10
B 0.5 Octave
75
81
20
59
5
Yaesu FT-101E
-141
N.A.
102
0.15
N.A.
C Preselector
70
60
20
59
3
Drake R-4C Stock
-139
0.7
3
130
0.15
135
10
A- Preselector
70
85
20
58
2
Yaesu FT-757
-120
1.6
3
130
0.7
109
10
C 0.5 Octave
70f
86
20
56
3
-134b
0.15b
Ten-Tec 340
-123
0.5
3
109
0.4
113
10
B 0.5 Octave
70
93
100
46
5
-133ab
0.13
0.14
Kenwood R-2000
-130a
1.4
3
115
0.15
105
10
D Octave
70
71
20
45
5
Kenwood R-600
-130a
0.8
3
109
0.2
99
10
D Octave
65
68
20
F.L..
5
Yaesu FRG-8800
-132a
0.6
3
122
0.18
N.A.
D Octave
70
87
20
F.L.
5
AOR 5000
-124
0.9
3
118
0.2
103
10
B 0.5 Octave
60
58
50
f
5
-130ab
1.8
0.35