What Is The Difference Between APRS-A and APRS-D
APRS-A is commonly know as APRS, using 144.39 Mhz simplex, created by Bob Brunda and reported commonly on aprs.fi 144.39 Mhz FM wideband simplex is most widely used but other…
What is the difference between Digital and Analog APRS?
Data Format: APRS Analog: In the analog version of APRS, data is transmitted using traditional analog FM (Frequency Modulation) signals. This means that information is encoded into audio tones, similar…
Which PNWDigital Repeaters Are Enabled For APRS-D?
Yes, PNWDigital-owned repeaters are typically APRS-D enabled as are most of the repeaters on the network, when operating normally. For other repeaters linked to the network, create a channel and…
Does TX and RX APRS-digital impact A and B Bands?
The A/B bands are not affected except for the very short duration of the actual data transmission (less than 1 second) and then, the data is sent when there is…
On What Frequency Does APRS-digital Transmit?
If you have your radio programmed for the PNWDigital network, then the APRS-digital (APRS-D) TX and RX will use the frequency you have programmed for the repeaters you use. The…
Must APRS-digital Time Slot Settings Match the Voice Channels’ Time Slots?
No, it doesn't interfere. For instance, when Anytone radios send APRS-digital data, it uses a separate talkgroup, 311999, on timeslot 1. You may be using a voice talkgroup that is…
APRS
APRS, or Automatic Packet Reporting System, is a digital communication method used by Ham Radio operators. It enables the exchange of data, including location details, weather updates, and messages, using…
Zone
A zone is a group of channels, typically built to hold the active talkgroups for a specific repeater. But a zone may also be built to support multiple repeaters based…
Channel
A channel is a "shell" that contains the basic (and advanced) DMR details needed to transmit over the air - frequency, color code, timeslot are only the basics. For DMR…
Cotre – Low-Cost
A very different type of DMR radio. Sorta worth exploring but the best model (C006D) is no longer available on Amazon. 3 models: C001D, C004D and C006D; skip the 001…