Packet #39821219 Success
NEIGHBORINFO_APP packet from Brandon South (YBR1) to !00000001
45
Total Receptions
1
Unique Gateways
0
Hop Count
41
Payload Bytes
Packet Information
| Database ID: | 39821219 |
|---|---|
| Mesh Packet ID: |
0x4188c009
Used for correlation across gateways |
| Timestamp: | 2026-05-17 02:51:20 UTC |
| From Node: | Brandon South (YBR1) |
| To Node: | !00000001 (0001) |
| Success: | Processed |
| Protocol: |
NEIGHBORINFO_APP
Port: 71 |
| Gateway: | Brandon South (YBR1) |
|---|---|
| Channel: | LongFast |
| RSSI: | Unknown |
| SNR: | Unknown |
| Hop Info: |
0/7 hops
Start: 7, Limit: 7 |
| Relay Node: | None |
Payload Data
Protocol: NEIGHBORINFO_APP
Size: 41 bytes
Decoded:
Yes
Decoded Data:
Neighbor Information Report
| Reporting Node: | Brandon South (YBR1) |
|---|---|
| Last Sent By: | Brandon South (YBR1) |
| Broadcast Interval: | 14400 seconds |
| Neighbors Found: | 2 |
2
Active Neighbors
Neighbor Details
| Neighbor Node | SNR | Last Heard | Broadcast Interval | Signal Quality |
|---|---|---|---|---|
| Node 2 (N2) | 6.8 dB | Unknown | Unknown | Excellent |
| VE4ACD #2 (📡) | -18.2 dB | Unknown | Unknown | Poor |
This neighbor information was reported by Brandon South (YBR1)
and shows which nodes it can directly communicate with and their signal quality.
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysisPacket Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) → MeshPacket (Mesh layer) → Decoded Payload (Application data)
| Total Size: | 41 bytes |
|---|---|
| Gateway: | !a2ebb39c |
| Channel: | LongFast |
| Payload Type: | NEIGHBORINFO_APP |
| Hop Count: | Unknown / 7 |
Privacy Summary
Exposure Level:
Direct Message
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
Exposure Risks:
âš Default channel - no encryption
âš Packet visible to MQTT subscribers
âš Default channel - no encryption
âš Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields
MQTT ServiceEnvelope contains the MeshPacket plus routing metadata
| Field | Value |
|---|---|
gateway_id |
!a2ebb39c
Node ID format |
channel_id |
LongFast
Default public channel |
packet |
MeshPacket (41 bytes)
Contains the actual mesh network packet |
MeshPacket Fields
Core mesh packet with routing and payload information
| Field | Value | Type |
|---|---|---|
from |
2733355932
Source node ID |
uint32 |
to |
1
Target node ID |
uint32 |
decoded.portnum |
71
NEIGHBORINFO_APP |
enum |
decoded.payload_length |
41 bytes
|
size |
hop_limit |
7
Remaining hops allowed |
uint32 |
hop_start |
7
Initial hop limit |
uint32 |
hops_taken |
0
Calculated: hop_start - hop_limit |
derived |
rx_rssi |
Not set | int32 |
rx_snr |
Not set | float |
rx_time |
1778986280
Receive timestamp |
fixed32 |
via_mqtt |
False
Direct LoRa transmission |
bool |
want_ack |
False
No ACK requested |
bool |
priority |
10
Packet priority level |
enum |
delayed |
Not set | enum |
channel |
Not set | uint32 |
pki_encrypted |
False
Standard encryption |
bool |
next_hop |
Not set | uint32 |
relay_node |
Not set | uint32 |
tx_after |
Not set | uint32 |
timestamp |
1778986280.6568494
Unix timestamp |
uint32 |
MQTT Privacy & Exposure Analysis
Analysis of privacy features and exposure risks when packet is shared via MQTT
Exposure Level: Direct Message
Privacy Features:
- ✓ Direct LoRa transmission (not via MQTT)
- ✓ Targeted to specific node
- ✓ Gateway node ID tracked
- ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
- âš Default channel - no encryption
- âš Packet visible to MQTT subscribers
MQTT-Specific Fields
| Gateway ID: | !a2ebb39c |
| Zero Hop Policy: |
Enabled
Direct gateway connection |
Complete Payload Analysis
Detailed breakdown of all payload fields and decoded data
Payload Metadata:
| Protocol: | NEIGHBORINFO_APP |
|---|---|
| Size: | 41 bytes |
| Decoded: | Yes |
Complete Payload Data (JSON):
{
"node_id": 2733355932,
"last_sent_by_id": 2733355932,
"node_broadcast_interval_secs": 14400,
"neighbors": [
{
"node_id": 1005165710,
"snr": 6.75,
"last_rx_time": null,
"node_broadcast_interval_secs": null,
"last_rx_time_str": "Unknown",
"node_name": "Node 2 (N2)"
},
{
"node_id": 1771863616,
"snr": -18.25,
"last_rx_time": null,
"node_broadcast_interval_secs": null,
"last_rx_time_str": "Unknown",
"node_name": "VE4ACD #2 (📡)"
}
],
"neighbor_count": 2,
"node_name": "Brandon South (YBR1)",
"last_sent_by_name": "Brandon South (YBR1)"
}
Complete Protobuf Decode (JSON)
{
"service_envelope": {
"gateway_id": "!a2ebb39c",
"channel_id": "LongFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 2733355932,
"to": 1,
"id": 1099481097,
"rx_time": 1778986280,
"rx_snr": 0.0,
"rx_rssi": 0,
"hop_limit": 7,
"hop_start": 7,
"via_mqtt": false,
"want_ack": false,
"priority": 10,
"delayed": 0,
"channel_index": null,
"pki_encrypted": false,
"next_hop": 0,
"relay_node": 0,
"tx_after": 0,
"decoded": {
"portnum": 71,
"payload": "089ce7ae970a109ce7ae970a18c070220b088eb9a6df03150000d840220b08c0fcf1cc0615000092c1",
"want_response": null,
"dest": null,
"source": null,
"request_id": null,
"reply_id": null,
"emoji": null,
"parsed_payload": {
"node_id": 2733355932,
"last_sent_by_id": 2733355932,
"node_broadcast_interval_secs": 14400,
"neighbors": [
{
"node_id": 1005165710,
"snr": 6.75
},
{
"node_id": 1771863616,
"snr": -18.25
}
],
"type": "protobuf",
"portnum": "NEIGHBORINFO_APP",
"message_class": "NeighborInfo"
}
}
}
}
Raw Packet Data (41 bytes)
089ce7ae970a109ce7ae970a18c070220b088eb9a6df03150000d840220b08c0fcf1cc0615000092c1
Hex Analysis:
| Size: | 41 bytes |
|---|---|
| Format: | Protobuf (Protocol Buffers) |
| Encoding: | Binary with varint and length-delimited fields |
This is the raw protobuf-encoded payload as received from MQTT.
The structure follows the Meshtastic protobuf schema definitions.
All Receptions
All gateways that received this packetCorrelation: Using Mesh Packet ID
Reception Locations
Loading...
Loading reception map...
Map shows gateway locations that received this packet. Hop counts are displayed if available.
| Gateway | Time Offset | RSSI | SNR | Hops | Relay | Channel | Timestamp | Actions |
|---|---|---|---|---|---|---|---|---|
| Brandon South (YBR1) Primary |
0.000s
Reference |
Unknown | Unknown | 0 | - | LongFast | 2026-05-17 02:51:20 UTC | Current |
| Brandon South (YBR1) |
-0.161s
Before |
Unknown | Unknown | 0 | - | LongFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
-0.127s
Before |
Unknown | Unknown | 0 | - | LongFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
-0.106s
Before |
Unknown | Unknown | 0 | - | LongFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
-0.094s
Before |
Unknown | Unknown | 0 | - | LongFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
-0.081s
Before |
Unknown | Unknown | 0 | - | LongFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
-0.070s
Before |
Unknown | Unknown | 0 | - | LongFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
-0.056s
Before |
Unknown | Unknown | 0 | - | LongFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
-0.043s
Before |
Unknown | Unknown | 0 | - | LongFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
-0.024s
Before |
Unknown | Unknown | 0 | - | LongFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
-0.012s
Before |
Unknown | Unknown | 0 | - | LongFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
+0.013s
After |
Unknown | Unknown | 0 | - | MediumFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
+0.028s
After |
Unknown | Unknown | 0 | - | MediumFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
+0.042s
After |
Unknown | Unknown | 0 | - | MediumFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
+0.057s
After |
Unknown | Unknown | 0 | - | MediumFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
+0.075s
After |
Unknown | Unknown | 0 | - | MediumFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
+0.088s
After |
Unknown | Unknown | 0 | - | MediumFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
+0.101s
After |
Unknown | Unknown | 0 | - | MediumFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
+0.113s
After |
Unknown | Unknown | 0 | - | MediumFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
+0.125s
After |
Unknown | Unknown | 0 | - | MediumFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
+0.140s
After |
Unknown | Unknown | 0 | - | MediumFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
+0.155s
After |
Unknown | Unknown | 0 | - | MediumFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
+0.168s
After |
Unknown | Unknown | 0 | - | ShortFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
+0.179s
After |
Unknown | Unknown | 0 | - | ShortFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
+0.191s
After |
Unknown | Unknown | 0 | - | ShortFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
+0.202s
After |
Unknown | Unknown | 0 | - | ShortFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
+0.214s
After |
Unknown | Unknown | 0 | - | ShortFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
+0.243s
After |
Unknown | Unknown | 0 | - | ShortFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
+0.255s
After |
Unknown | Unknown | 0 | - | ShortFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
+0.268s
After |
Unknown | Unknown | 0 | - | ShortFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
+0.280s
After |
Unknown | Unknown | 0 | - | ShortFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
+0.293s
After |
Unknown | Unknown | 0 | - | ShortFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
+0.304s
After |
Unknown | Unknown | 0 | - | ShortFast | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
+0.316s
After |
Unknown | Unknown | 0 | - | ShortTurbo | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
+0.334s
After |
Unknown | Unknown | 0 | - | ShortTurbo | 2026-05-17 02:51:20 UTC | View |
| Brandon South (YBR1) |
+0.346s
After |
Unknown | Unknown | 0 | - | ShortTurbo | 2026-05-17 02:51:21 UTC | View |
| Brandon South (YBR1) |
+0.364s
After |
Unknown | Unknown | 0 | - | ShortTurbo | 2026-05-17 02:51:21 UTC | View |
| Brandon South (YBR1) |
+0.376s
After |
Unknown | Unknown | 0 | - | ShortTurbo | 2026-05-17 02:51:21 UTC | View |
| Brandon South (YBR1) |
+0.388s
After |
Unknown | Unknown | 0 | - | ShortTurbo | 2026-05-17 02:51:21 UTC | View |
| Brandon South (YBR1) |
+0.400s
After |
Unknown | Unknown | 0 | - | ShortTurbo | 2026-05-17 02:51:21 UTC | View |
| Brandon South (YBR1) |
+0.415s
After |
Unknown | Unknown | 0 | - | ShortTurbo | 2026-05-17 02:51:21 UTC | View |
| Brandon South (YBR1) |
+0.429s
After |
Unknown | Unknown | 0 | - | ShortTurbo | 2026-05-17 02:51:21 UTC | View |
| Brandon South (YBR1) |
+0.442s
After |
Unknown | Unknown | 0 | - | ShortTurbo | 2026-05-17 02:51:21 UTC | View |
| Brandon South (YBR1) |
+0.454s
After |
Unknown | Unknown | 0 | - | ShortTurbo | 2026-05-17 02:51:21 UTC | View |
| Brandon South (YBR1) |
+0.467s
After |
Unknown | Unknown | 0 | - | LongFast | 2026-05-17 02:51:21 UTC | View |
45
Total Receptions
1
Unique Gateways