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Emission Designator

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An emission designator is a code associated with a frequency that gives information about the frequency's bandwidth and the nature of the signal on the frequency.
For scanner users, it can be useful for determining whether a frequency is analog or digital, and even whether the frequency transmits voice and/or data.

Guide to Emission Designators

Comsearch - Guide to Emission Designators

Common Emission Designators and Their Potential Use

60H0J2B  PSK31
100HN0N  Speed Radar (10525 MHz X band; 24150 MHz Ka band)
150HA1A  Continuous Wave Telegraphy (manually read Morse Code)
2K80J2B  HF RTTY (Radio Teletype)
2K80J2D  HF PACTOR-III
2K80J3E  Single sideband suppressed carrier voice (USB or LSB, not at the same time)
3K00H2B  HF ALE MIL-STD-188-141A/FED-STD-1045
3K30F1D  6.25 kHz SCADA link (CalAmp Viper SC – 173 MHz)
4K00F1D  6.25 kHz data NXDN (IDAS, NEXEDGE)
4K00F1E  6.25 kHz voice NXDN (IDAS, NEXEDGE)
4K00F1W  6.25 kHz voice and data NXDN (IDAS, NEXEDGE)
4K00F2D  6.25 kHz analog CW ID NXDN (IDAS, NEXEDGE)
4K00J1D  Amplitude Compandored Sideband (pilot tone/carrier)
4K00J2D  Amplitude Compandored Sideband (pilot tone/carrier)
4K00J3E  Amplitude Compandored Sideband (pilot tone/carrier) voice
5K60F2D  SCADA
5K76G1E  P25 CQPSK voice (typically used for simulcast systems – this is NOT P25 Phase II)
6K00A3E  Double sideband AM voice (AM mode in RRDB)
6K00F1D  SCADA Carrier Frequency Shift Keying
6K00F2D  SCADA Audio Frequency Shift Keying
6K00F3D  SCADA Analog data that is not AFSK (variable tone, DTMF, etc.)
7K60FXD  2-slot DMR (Motorola MOTOTRBO) TDMA data
7K60FXE  2-slot DMR (Motorola MOTOTRBO) TDMA voice
8K10F1D  P25 Phase I C4FM data
8K10F1E  P25 Phase I C4FM voice (P25 mode in RRDB)
8K10F1W  P25 Phase II subscriber units (Harmonized Continuous Phase Modulation – H-CPM)
8K30F1D  12.5 kHz data NXDN (Wide IDAS, NEXEDGE)
8K30F1E  12.5 kHz voice NXDN (Wide IDAS, NEXEDGE)
8K30F1W  P25 Phase I C4FM hybridized voice and data applications
         (most commonly seen on trunked licenses)
8K30F7W  12.5 kHz voice and data NXDN (Wide IDAS, NEXEDGE)
8K50F9W  Harris OpenSky (2 slot narrowband)
8K70D1W  P25 Linear Simulcast Modulation ASTRO
         (9.6 kbps in 12.5 kHz channelspace)
9K20F2D  Zetron-based alphanumeric paging/alerting system (seen in practice using Daniels base stations)
9K30F1D  SCADA/ Remote Control
9K70F1D  P25 Linear Simulcast Modulation “WCQPSK” data (per Harris MASTR-V literature)
9K70F1E  P25 Linear Simulcast Modulation “WCQPSK” voice (per Harris MASTR-V literature)
9K80D7W  P25 Phase II fixed-end 2-slot TDMA (Harmonized Differential Quadrature Phase Shift Keyed modulation – H-DQPSK), per Motorola literature
9K80F1D  P25 Phase II fixed-end 2-slot TDMA H-DQPSK data, per Harris MASTR-V literature
9K80F1E  P25 Phase II fixed-end 2-slot TDMA H-DQPSK voice (interpolation of MASTR-V literature)
10K0F1D  LTI Automated Vehicle Location (AVL) system - LT6 Radio Modem
10K0F1D  RD-LAP 9.6 kbps data on narowband channel
10K0F1D* Motorola Widepulse ASTRO simulcast data
10K0F1D* Motorola Widepulse ASTRO simulcast control channel
10K0F1E* Motorola Widepulse ASTRO simulcast voice
11K2F2D  Audio frequency shift keying within a 12.5 kHz channelspace (commonly used for 1.2 kbps packet, FFSK station alerting, and AFSK tornado siren signaling)
11K2F3D  DTMF or other audible, non-frequency shift signaling, such as Whelen tornado sirens or “Knox-Box®” activation
11K2F3E  2.5 kHz deviation FM "narrowband 12.5 kHz" analog voice
         (FMN mode in RRDB - may also be 11K0 and 11K3 bandwidth)
11K2F9W  Formerly and incorrectly used as a catch-all narrowband emission for analog and digital use. Each appropriate emission should be listed discretely.
12K1F9W  Harris OpenSky (NPSPAC - 4 slot)
13K1F9W  Harris OpenSky (SMR - 4 slot)
13K6F3E  Frequency modulated (FM) voice
13K6W7W  Motorola iDEN (900 MHz)
14K0F1D  Motorola 3600 baud trunked control channel (NPSPAC)
16K0F1D* Motorola 3600 baud trunked control channel
16K0F2D* 4 kHz deviation FM audio frequency shift keying (72 MHz fire alarm boxes)
16K0F3E* 4 kHz deviation FM analog voice (NPSPAC) (FM mode in RRDB)
16K8F1E* Encrypted Quantized Voice (Motorola DVP, DES, DES-XL on NPSPAC)
17K7D7D  Motorola HPD High Performance Data – “Astro 25″ suite, as Motorola HAI (High performance data Air Interface) – 700/800 MHz – requires 25 kHz channelspace
20K0D1E  Reduced power TETRA – PowerTrunk 4/TDMA fixed-end (voice)
20K0D1W  Reduced power TETRA – PowerTrunk 4/TDMA fixed-end (simultaneous mixed modes)
20K0F1D  RD-LAP 19.2 kbps within a wideband channel (2013 compliant, meets data throughput requirement)
20K0F1E* Encrypted Quantized Voice (Motorola DVP, DES, DES-XL - NOT P25 DES-OFB/AES)
20K0F3E* 5 kHz deviation FM "wideband 25 kHz" analog voice (FM mode in RRDB)
20K0G7W  Motorola iDEN (800 MHz)
20K0W7W  Motorola iDEN (800 MHz)
20K1D1D  Reduced power TETRA – PowerTrunk 4/TDMA fixed-end (data)
21K0D1W  TETRA ETS 300 392 Standard
30K0DXW  TDMA Cellular (North America)
40K0F8W  AMPS Cellular
300KF8E  Broadcast FM with Subsidiary Carrier (SCA)
300KG7W  EDGE (Enhanced Data rates for GSM Evolution)
300KGXW  GSM Cellular
1M25F9W  CDMA Cellular
2M40W7D  Remote Control Video (digital, non-NTSC)
5M00G7D  Public Safety LTE (all four emissions used)
5M00W7W  Public Safety LTE (all four emissions used)
5M00G2D  Public Safety LTE (all four emissions used)
5M00D7D  Public Safety LTE (all four emissions used)
6M00C7W  ATSC Video (Digital TV)
6M25C3F  NTSC Video

* When used between 136 - 470 MHz in Part 90 use, this technology is not compliant with 2013 narrowbanding requirements and must be discontinued by January 1, 2013. As of January 1, 2011, this emission may no longer be applied for between 136 - 470 MHz in Part 90 use, unless it fits within the existing contours of an already licensed system. These emissions may not appear on a new license or be used to extend the footprint of an already licensed wideband system beyond what existed prior to January 1, 2011.

Note that an emission designator identifies the characteristics of the signal and is not unique to only one type of technology or manufacturer. More than one type of deployed technology may use the same emission designator.

Use of F9W Suffix

Some license application preparers have used the suffix F9W to indicate that multiple different emissions within the specified bandwidth are possible. This simplifies filling information into the FCC 601 form, but does not reflect each specific modulation type. For example, 11K2F9W may indicate that the system toggles between narrowband analog voice and P25 (or some other) digital emission, but not at the same time. A strict interpretation of ITU emissions indicates that the F9W suffix is both analog and digital simultaneously, and is therefore incorrect. A properly completed 601 form should itemize each discrete emission intended so the technologies used may be easily identified.

The exception to using F9W is Harris OpenSky, which has been certificated by the FCC as F9W, although F7W may be better descriptive.

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