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What are Radio-location Services in the 1.9-2.0 MHz range?
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I'm currently studying for the General Exam and in looking at charts of the new frequency privileges have run across a restriction I would like to have further defined. In the 160 meter band the books all say "1.90 MHz thru 2.0 MHz should be treated as a secondary allocation as we are required to avoid interfering with Radio-location Services in that range."
What are Radio-location Services at 1.90-2.0 MHz?
united-states hf frequency 160m-band
edited 3 hours ago
Kevin Reid AG6YO♦
16.2k33170
asked 3 hours ago
Dave GDave G
806
$endgroup$
add a comment |
$begingroup$
I'm currently studying for the General Exam and in looking at charts of the new frequency privileges have run across a restriction I would like to have further defined. In the 160 meter band the books all say "1.90 MHz thru 2.0 MHz should be treated as a secondary allocation as we are required to avoid interfering with Radio-location Services in that range."
What are Radio-location Services at 1.90-2.0 MHz?
united-states hf frequency 160m-band
edited 3 hours ago
Kevin Reid AG6YO♦
16.2k33170
asked 3 hours ago
Dave GDave G
806
$endgroup$
add a comment |
$begingroup$
I'm currently studying for the General Exam and in looking at charts of the new frequency privileges have run across a restriction I would like to have further defined. In the 160 meter band the books all say "1.90 MHz thru 2.0 MHz should be treated as a secondary allocation as we are required to avoid interfering with Radio-location Services in that range."
What are Radio-location Services at 1.90-2.0 MHz?
united-states hf frequency 160m-band
edited 3 hours ago
Kevin Reid AG6YO♦
16.2k33170
asked 3 hours ago
Dave GDave G
806
$endgroup$
I'm currently studying for the General Exam and in looking at charts of the new frequency privileges have run across a restriction I would like to have further defined. In the 160 meter band the books all say "1.90 MHz thru 2.0 MHz should be treated as a secondary allocation as we are required to avoid interfering with Radio-location Services in that range."
What are Radio-location Services at 1.90-2.0 MHz?
united-states hf frequency 160m-band
united-states hf frequency 160m-band
edited 3 hours ago
Kevin Reid AG6YO♦
16.2k33170
asked 3 hours ago
Dave GDave G
806
edited 3 hours ago
Kevin Reid AG6YO♦
16.2k33170
asked 3 hours ago
Dave GDave G
806
edited 3 hours ago
Kevin Reid AG6YO♦
16.2k33170
edited 3 hours ago
Kevin Reid AG6YO♦
16.2k33170
edited 3 hours ago
Kevin Reid AG6YO♦
16.2k33170
16.2k33170
asked 3 hours ago
Dave GDave G
806
asked 3 hours ago
Dave GDave G
806
asked 3 hours ago
Dave GDave G
806
806
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
$begingroup$
I wish you well with the general test!
The radiolocation services in question are defined in CFR 47 §2.106:
NG92 The band 1900-2000 kHz is also allocated on a primary basis to the maritime mobile service in Regions 2 and 3 and to the radiolocation service in Region 2, and on a secondary basis to the radiolocation service in Region 3. The use of these allocations is restricted to radio buoy operations on the open sea and the Great Lakes. Stations in the amateur, maritime mobile, and radiolocation services in Region 2 shall be protected from harmful interference only to the extent that the offending station does not operate in compliance with the technical rules applicable to the service in which it operates.
answered 3 hours ago
Glenn W9IQGlenn W9IQ
16.2k11146
$endgroup$
1
$begingroup$
Fishnet buoy beacons are a nuisance just above 1.8 MHz, FWIW.
$endgroup$
– Mike Waters♦
3 hours ago
1
$begingroup$
How would one ever know they are interfering with a buoy's transmissions? Do we just avoid transmitting altogether on 1.9 - 2.0 MHz?
$endgroup$
– Dave G
50 mins ago
1
$begingroup$
@DaveG The idea is you listen to your transmit frequency. If you hear a buoy, you change frequencies, If not, feel free to keep using the frequency until such time that you do hear one.
$endgroup$
– Glenn W9IQ
41 mins ago
add a comment |
Your Answer
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1 Answer
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1 Answer
1
active
oldest
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active
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active
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$begingroup$
I wish you well with the general test!
The radiolocation services in question are defined in CFR 47 §2.106:
NG92 The band 1900-2000 kHz is also allocated on a primary basis to the maritime mobile service in Regions 2 and 3 and to the radiolocation service in Region 2, and on a secondary basis to the radiolocation service in Region 3. The use of these allocations is restricted to radio buoy operations on the open sea and the Great Lakes. Stations in the amateur, maritime mobile, and radiolocation services in Region 2 shall be protected from harmful interference only to the extent that the offending station does not operate in compliance with the technical rules applicable to the service in which it operates.
answered 3 hours ago
Glenn W9IQGlenn W9IQ
16.2k11146
$endgroup$
1
$begingroup$
Fishnet buoy beacons are a nuisance just above 1.8 MHz, FWIW.
$endgroup$
– Mike Waters♦
3 hours ago
1
$begingroup$
How would one ever know they are interfering with a buoy's transmissions? Do we just avoid transmitting altogether on 1.9 - 2.0 MHz?
$endgroup$
– Dave G
50 mins ago
1
$begingroup$
@DaveG The idea is you listen to your transmit frequency. If you hear a buoy, you change frequencies, If not, feel free to keep using the frequency until such time that you do hear one.
$endgroup$
– Glenn W9IQ
41 mins ago
add a comment |
$begingroup$
I wish you well with the general test!
The radiolocation services in question are defined in CFR 47 §2.106:
NG92 The band 1900-2000 kHz is also allocated on a primary basis to the maritime mobile service in Regions 2 and 3 and to the radiolocation service in Region 2, and on a secondary basis to the radiolocation service in Region 3. The use of these allocations is restricted to radio buoy operations on the open sea and the Great Lakes. Stations in the amateur, maritime mobile, and radiolocation services in Region 2 shall be protected from harmful interference only to the extent that the offending station does not operate in compliance with the technical rules applicable to the service in which it operates.
answered 3 hours ago
Glenn W9IQGlenn W9IQ
16.2k11146
$endgroup$
1
$begingroup$
Fishnet buoy beacons are a nuisance just above 1.8 MHz, FWIW.
$endgroup$
– Mike Waters♦
3 hours ago
1
$begingroup$
How would one ever know they are interfering with a buoy's transmissions? Do we just avoid transmitting altogether on 1.9 - 2.0 MHz?
$endgroup$
– Dave G
50 mins ago
1
$begingroup$
@DaveG The idea is you listen to your transmit frequency. If you hear a buoy, you change frequencies, If not, feel free to keep using the frequency until such time that you do hear one.
$endgroup$
– Glenn W9IQ
41 mins ago
add a comment |
$begingroup$
I wish you well with the general test!
The radiolocation services in question are defined in CFR 47 §2.106:
NG92 The band 1900-2000 kHz is also allocated on a primary basis to the maritime mobile service in Regions 2 and 3 and to the radiolocation service in Region 2, and on a secondary basis to the radiolocation service in Region 3. The use of these allocations is restricted to radio buoy operations on the open sea and the Great Lakes. Stations in the amateur, maritime mobile, and radiolocation services in Region 2 shall be protected from harmful interference only to the extent that the offending station does not operate in compliance with the technical rules applicable to the service in which it operates.
answered 3 hours ago
Glenn W9IQGlenn W9IQ
16.2k11146
$endgroup$
I wish you well with the general test!
The radiolocation services in question are defined in CFR 47 §2.106:
NG92 The band 1900-2000 kHz is also allocated on a primary basis to the maritime mobile service in Regions 2 and 3 and to the radiolocation service in Region 2, and on a secondary basis to the radiolocation service in Region 3. The use of these allocations is restricted to radio buoy operations on the open sea and the Great Lakes. Stations in the amateur, maritime mobile, and radiolocation services in Region 2 shall be protected from harmful interference only to the extent that the offending station does not operate in compliance with the technical rules applicable to the service in which it operates.
answered 3 hours ago
Glenn W9IQGlenn W9IQ
16.2k11146
edited 2 hours ago
answered 3 hours ago
Glenn W9IQGlenn W9IQ
16.2k11146
answered 3 hours ago
Glenn W9IQGlenn W9IQ
16.2k11146
answered 3 hours ago
Glenn W9IQGlenn W9IQ
16.2k11146
16.2k11146
1
$begingroup$
Fishnet buoy beacons are a nuisance just above 1.8 MHz, FWIW.
$endgroup$
– Mike Waters♦
3 hours ago
1
$begingroup$
How would one ever know they are interfering with a buoy's transmissions? Do we just avoid transmitting altogether on 1.9 - 2.0 MHz?
$endgroup$
– Dave G
50 mins ago
1
$begingroup$
@DaveG The idea is you listen to your transmit frequency. If you hear a buoy, you change frequencies, If not, feel free to keep using the frequency until such time that you do hear one.
$endgroup$
– Glenn W9IQ
41 mins ago
add a comment |
1
$begingroup$
Fishnet buoy beacons are a nuisance just above 1.8 MHz, FWIW.
$endgroup$
– Mike Waters♦
3 hours ago
1
$begingroup$
How would one ever know they are interfering with a buoy's transmissions? Do we just avoid transmitting altogether on 1.9 - 2.0 MHz?
$endgroup$
– Dave G
50 mins ago
1
$begingroup$
@DaveG The idea is you listen to your transmit frequency. If you hear a buoy, you change frequencies, If not, feel free to keep using the frequency until such time that you do hear one.
$endgroup$
– Glenn W9IQ
41 mins ago
1
1
$begingroup$
Fishnet buoy beacons are a nuisance just above 1.8 MHz, FWIW.
$endgroup$
– Mike Waters♦
3 hours ago
$begingroup$
Fishnet buoy beacons are a nuisance just above 1.8 MHz, FWIW.
$endgroup$
– Mike Waters♦
3 hours ago
1
1
$begingroup$
How would one ever know they are interfering with a buoy's transmissions? Do we just avoid transmitting altogether on 1.9 - 2.0 MHz?
$endgroup$
– Dave G
50 mins ago
$begingroup$
How would one ever know they are interfering with a buoy's transmissions? Do we just avoid transmitting altogether on 1.9 - 2.0 MHz?
$endgroup$
– Dave G
50 mins ago
1
1
$begingroup$
@DaveG The idea is you listen to your transmit frequency. If you hear a buoy, you change frequencies, If not, feel free to keep using the frequency until such time that you do hear one.
$endgroup$
– Glenn W9IQ
41 mins ago
$begingroup$
@DaveG The idea is you listen to your transmit frequency. If you hear a buoy, you change frequencies, If not, feel free to keep using the frequency until such time that you do hear one.
$endgroup$
– Glenn W9IQ
41 mins ago
add a comment |
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