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#1
November 14th 08, 08:11 PM
posted to rec.radio.amateur.antenna
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HF Diversity reception ?
Henry Kolesnik wrote:
"What were some other names for the device that RCA called a tone decoder?" CTCSS is often called PL tone (for Private Line, a trademark of Motorola to describe their implementation of Continuous Tone Coded Squelch System). Best regards, Richaard Harrison, KB5WZI |
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#2
November 15th 08, 05:11 AM
posted to rec.radio.amateur.antenna
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HF Diversity reception ?
Richard Harrison wrote:
Henry Kolesnik wrote: "What were some other names for the device that RCA called a tone decoder?" CTCSS is often called PL tone (for Private Line, a trademark of Motorola to describe their implementation of Continuous Tone Coded Squelch System). Best regards, Richaard Harrison, KB5WZI Continuous Tone Coded Subaudible Squelch |
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#3
November 15th 08, 05:44 PM
posted to rec.radio.amateur.antenna
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HF Diversity reception ?
Hey Guys
I made an error when I called the RCA device that selects the best Rx a Tone Decoder, it's called a Tone Keyer. It selects the strongest of 3 HF Rx signals and amplifies it. What did the other HF diversity makers call Tone Keyer. I know about CTCSS but its unrelated to my query. Thanks Hank Hank "Dave" wrote in message ... Richard Harrison wrote: Henry Kolesnik wrote: "What were some other names for the device that RCA called a tone decoder?" CTCSS is often called PL tone (for Private Line, a trademark of Motorola to describe their implementation of Continuous Tone Coded Squelch System). Best regards, Richaard Harrison, KB5WZI Continuous Tone Coded Subaudible Squelch |
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#4
November 15th 08, 06:49 PM
posted to rec.radio.amateur.antenna
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HF Diversity reception ?
Henry Kolesnik wrote:
Hey Guys I made an error when I called the RCA device that selects the best Rx a Tone Decoder, it's called a Tone Keyer. It selects the strongest of 3 HF Rx signals and amplifies it. What did the other HF diversity makers call Tone Keyer. I know about CTCSS but its unrelated to my query. Thanks Hank Hank "Dave" wrote in message ... Richard Harrison wrote: Henry Kolesnik wrote: "What were some other names for the device that RCA called a tone decoder?" CTCSS is often called PL tone (for Private Line, a trademark of Motorola to describe their implementation of Continuous Tone Coded Squelch System). Best regards, Richaard Harrison, KB5WZI Continuous Tone Coded Subaudible Squelch I had a "Westinghouse" dual version of the Racal RA-117 with 2 RF chains. There was a "voter" of some kind that went with it, but I did not have that part. |
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#5
November 16th 08, 07:26 PM
posted to rec.radio.amateur.antenna
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HF Diversity reception ?
Dave wrote:
"Continuous Tone Coded Subaudible Squelch" I like that better than "Continuous Tone Coded Squelch System" as "System" is nondescriptive. Best regards, Richard Harrison, KB5WZI |
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#6
November 16th 08, 08:20 PM
posted to rec.radio.amateur.antenna
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HF Diversity reception ?
Richard Harrison wrote:
Dave wrote: "Continuous Tone Coded Subaudible Squelch" I like that better than "Continuous Tone Coded Squelch System" as "System" is nondescriptive. Best regards, Richard Harrison, KB5WZI I think it's from the MOCOM 70 Service Manual. Motorola called it "Private Line". |
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#7
November 20th 08, 11:05 PM
posted to rec.radio.amateur.antenna
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HF Diversity reception ?
Dave wrote:
Motorola called it "Private Line". Thanks Dave, I was trying to remember "PL tones". -- 73, Cecil http://www.w5dxp.com |
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#8
November 27th 08, 04:12 AM
posted to rec.radio.amateur.antenna
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HF Diversity reception ?
On Sun, 16 Nov 2008 19:20:11 +0000, Dave wrote:
Richard Harrison wrote: Dave wrote: "Continuous Tone Coded Subaudible Squelch" I like that better than "Continuous Tone Coded Squelch System" as "System" is nondescriptive. Best regards, Richard Harrison, KB5WZI I think it's from the MOCOM 70 Service Manual. Motorola called it "Private Line". Since it appears that you do not want a telephone DTMF decoder what is it that you want to decode? |
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#9
November 27th 08, 01:57 PM
posted to rec.radio.amateur.antenna
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HF Diversity reception ?
JosephKK wrote:
On Sun, 16 Nov 2008 19:20:11 +0000, Dave wrote: Richard Harrison wrote: Dave wrote: "Continuous Tone Coded Subaudible Squelch" I like that better than "Continuous Tone Coded Squelch System" as "System" is nondescriptive. Best regards, Richard Harrison, KB5WZI I think it's from the MOCOM 70 Service Manual. Motorola called it "Private Line". Since it appears that you do not want a telephone DTMF decoder what is it that you want to decode? No decoding involved. It's a tone that unsquelches an FM radio. |
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#10
November 30th 08, 10:44 PM
posted to rec.radio.amateur.antenna
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HF Diversity reception ?
On Thu, 27 Nov 2008 12:57:42 +0000, Dave wrote:
JosephKK wrote: On Sun, 16 Nov 2008 19:20:11 +0000, Dave wrote: Richard Harrison wrote: Dave wrote: "Continuous Tone Coded Subaudible Squelch" I like that better than "Continuous Tone Coded Squelch System" as "System" is nondescriptive. Best regards, Richard Harrison, KB5WZI I think it's from the MOCOM 70 Service Manual. Motorola called it "Private Line". Since it appears that you do not want a telephone DTMF decoder what is it that you want to decode? No decoding involved. It's a tone that unsquelches an FM radio. Which make and model / series? There are dozens of variations. |
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