Nxdn, Olivia – Wavecom W74PC V8.7.0 User Manual

Page 216

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Transmission Modes

WAVECOM Decoder W74PC, W-PCI/e, W-CODE, W-CLOUD Manual V8.7.0

PSSCCC - FIPS Area Codes (Canada)

Code

Area

01

Nova Scotia, New Brunswick, Prince Edward Is-

land

06

Saskatchewan

02

Newfoundland and Labrador

07

Alberta

03

Quebec

08

British Columbia

04

Ontario

09

Nunavut, Yukon Territory, North West Territo-

ries

05

Manitoba

NXDN

NXDN™ is a proprietary narrowband digital protocol developed by ICOM Inc. and JVC KENVOOD Co. to
provide a low complexity digital radio protocol solution which satisfies the FCC narrowbanding mandate.

Parameter

Value

Frequency range

VHF/UHF

Operation modes

Digital voice and data system

Modulation

4-level FSK

Vocoder

AMBE+2™

Transmission Rate

4800 bps/9600 bps

Channel Spacing

6.25 kHz/12.5 kHz

Input format(s)

IF

Optional Features

Digital Scrambling, Encryption, Trunking Mode

The modulation type enables manufacturers to use existing analog FM designs with the addition of extra
components for digital capability. This provides backwards compatibility with the analog systems and re-

duces the complexity of development.

To use the mode set Offset to the IF output of the receiver. The current version implements the decoding
of voice and data. When a call occurs, some status messages are displayed in the text output. Data
transmissions are displayed as a hex dump of the decoded data. The parameter Confidence shows the

demodulation quality.

When a call is encrypted, the voice output is muted, but status messages are displayed. When encrypted
data is received, it is shown on the screen in encrypted form. Usually, it is shown in red, because the data

checksum can not be verified with encrypted data.

OLIVIA

Olivia is a mode developed by Pavel Jalocha, who, among other modes, developed the basics of PSK31. He
named this mode after his daughter.

Parameter

Value

Frequency range

HF

Operation modes

Boroadcast

Modulation

MFSK

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