Pra fins de curiosidade fiz uma analise do sinal dos canais que recebo entre Americana e Limeira, algumas coisas achei de interessante como o fato da Rede Familia usar modulaçao em QSPK, que explica um pouco ele ser tao resiliente por aqui.
A lista completa:
* UHF channel 15 (479.142 MHz), locked: yes, strength: -53 dB, SNR: 19 dB, BER: 0%
Transport stream id: 1889, 0x0761
Carrier frequency: 479,142,857 Hz
Guard interval: 1/8
Bandwidth: 6,000,000 Hz
Transmission mode: 8K
Layers: AB
Partial reception: on
Layer A FEC: 2/3
Layer A modulation: QPSK
Layer A segment count: 1
Layer A time interleaving: 4
Layer B FEC: 1/2
Layer B modulation: 16-QAM
Layer B segment count: 12
Layer B time interleaving: 2
Name Provider ServId TSId ONetId Type PMTPID
------------ ------------- ------ ------ ------ ---- ------
BAND MAIS HD BAND CAMPINAS 0xEC20 0x0761 0x0761 0x01 0x012C
BAND MAIS BAND CAMPINAS 0xEC38 0x0761 0x0761 0xC0 0x1FC8
* UHF channel 19 (503.142 MHz), locked: yes, strength: -45 dB, SNR: 30 dB, BER: 0%
Transport stream id: 513, 0x0201
Carrier frequency: 503,142,857 Hz
Guard interval: 1/16
Bandwidth: 6,000,000 Hz
Transmission mode: 8K
Layers: AB
Partial reception: on
Layer A FEC: 2/3
Layer A modulation: QPSK
Layer A segment count: 1
Layer A time interleaving: 2
Layer B FEC: 3/4
Layer B modulation: 16-QAM
Layer B segment count: 12
Layer B time interleaving: 2
Name Provider ServId TSId ONetId Type PMTPID
------------ -------- ------ ------ ------ ---- ------
Genesis HD Genesis 0x4020 0x0201 0x0201 0x01 0x0208
Genesis 1Seg Genesis 0x4038 0x0201 0x0201 0xC0 0x1FC8
* UHF channel 23 (527.142 MHz), locked: no, strength: -54 dB, SNR: 23 dB, BER: 0%
Transport stream id: 1898, 0x076A
Carrier frequency: 527,142,857 Hz
Guard interval: 1/16
Bandwidth: 6,000,000 Hz
Transmission mode: 8K
Layers: AB
Partial reception: on
Layer A FEC: 2/3
Layer A modulation: QPSK
Layer A segment count: 1
Layer A time interleaving: 4
Layer B FEC: 3/4
Layer B modulation: 16-QAM
Layer B segment count: 12
Layer B time interleaving: 2
Name Provider ServId TSId ONetId Type PMTPID
-------------------- -------------------- ------ ------ ------ ---- ------
Rede Seculo 21 HD Rede Seculo 21 HD 0xED40 0x076A 0x076A 0x01 0x0050
Rede Seculo 21 Educa Rede Seculo 21 Educa 0xED41 0x076A 0x076A 0x01 0x0051
Rede Seculo 21 1 Seg Rede Seculo 21 1 Seg 0xED58 0x076A 0x076A 0xC0 0x1FC8
* UHF channel 25 (539.142 MHz), locked: no, strength: -64 dB, SNR: 23 dB, BER: 0%, PER: 44%
Transport stream id: 1859, 0x0743
Carrier frequency: 539,142,857 Hz
Guard interval: 1/8
Bandwidth: 6,000,000 Hz
Transmission mode: 8K
Layers: AB
Partial reception: on
Layer A FEC: 2/3
Layer A modulation: QPSK
Layer A segment count: 1
Layer A time interleaving: 4
Layer B FEC: 3/4
Layer B modulation: 64-QAM
Layer B segment count: 12
Layer B time interleaving: 2
Name ServId TSId ONetId Type PMTPID
------- ------ ------ ------ ---- ------
EPTV 0xE860 0x0743 0x0743 0x01 0x0101
EDUCATV 0xE861 0x0743 0x0743 0x01 0x0102
EPTV 0xE878 0x0743 0x0743 0xC0 0x1FC8
* UHF channel 30 (569.142 MHz), locked: yes, strength: -46 dB, SNR: 21 dB, BER: 0%
Transport stream id: 1890, 0x0762
Carrier frequency: 569,142,857 Hz
Guard interval: 1/8
Bandwidth: 6,000,000 Hz
Transmission mode: 8K
Layers: AB
Partial reception: on
Layer A FEC: 2/3
Layer A modulation: QPSK
Layer A segment count: 1
Layer A time interleaving: 4
Layer B FEC: 2/3
Layer B modulation: 16-QAM
Layer B segment count: 12
Layer B time interleaving: 2
Name Provider ServId TSId ONetId Type PMTPID
------------ -------- ------ ------ ------ ---- ------
VTV SBT HD VTV 0xEC40 0x0762 0x0762 0x01 0x0101
VTV SBT 1SEG VTV 0xEC58 0x0762 0x0762 0xC0 0x1FC8
* UHF channel 32 (581.142 MHz), locked: no, strength: -45 dB, SNR: 21 dB, BER: 0%
Transport stream id: 1886, 0x075E
Carrier frequency: 581,142,857 Hz
Guard interval: 1/4
Bandwidth: 6,000,000 Hz
Transmission mode: 8K
Layers: AB
Partial reception: on
Layer A FEC: 2/3
Layer A modulation: QPSK
Layer A segment count: 1
Layer A time interleaving: 4
Layer B FEC: 2/3
Layer B modulation: 16-QAM
Layer B segment count: 12
Layer B time interleaving: 2
Name Provider ServId TSId ONetId Type PMTPID
------------------- --------- ------ ------ ------ ---- ------
REDEVIDA HD Rede Vida 0xEBC0 0x075E 0x075E 0x01 0x0050
REDEVIDA EDUCAÇÃO Rede Vida 0xEBC1 0x075E 0x075E 0x01 0x004F
REDEVIDA EDUCAÇÃO 2 Rede Vida 0xEBC2 0x075E 0x075E 0x01 0x004E
REDEVIDA 1Seg Rede Vida 0xEBD8 0x075E 0x075E 0xC0 0x1FC8