Packet #17798481 Success
NODEINFO_APP packet from Maryhill 813c (813c) to !ffffffff
45
Total Receptions
1
Unique Gateways
0
Hop Count
78
Payload Bytes
Packet Information
| Database ID: | 17798481 |
|---|---|
| Mesh Packet ID: |
0xa07c2a3d
Used for correlation across gateways |
| Timestamp: | 2026-03-27 09:45:55 UTC |
| From Node: | Maryhill 813c (813c) |
| To Node: | !ffffffff (ffff) |
| Success: | Processed |
| Protocol: |
NODEINFO_APP
Port: 4 |
| Gateway: | Meshtastic 7c50 (7c50) |
|---|---|
| Channel: | ShortFast |
| RSSI: | -47 dBm |
| SNR: | 5.25 dBm |
| Hop Info: |
0/3 hops
Start: 3, Limit: 3 |
| Relay Node: |
3c
813c
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions |
Payload Data
Protocol: NODEINFO_APP
Size: 78 bytes
Decoded:
Yes
Decoded Data:
| Long Name: | Maryhill 813c |
|---|---|
| Short Name: | 813c |
| Node ID: | !1c49813c |
| MAC Address: | EAYcSYE8 |
| Hardware: | TBEAM |
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: | 78 bytes |
|---|---|
| Gateway: | !33677c50 |
| Channel: | ShortFast |
| Payload Type: | NODEINFO_APP |
| Hop Count: | Unknown / 3 |
Privacy Summary
Exposure Level:
Broadcast
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 2 more...
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields
MQTT ServiceEnvelope contains the MeshPacket plus routing metadata
| Field | Value |
|---|---|
gateway_id |
!33677c50
Node ID format |
channel_id |
ShortFast
|
packet |
MeshPacket (78 bytes)
Contains the actual mesh network packet |
MeshPacket Fields
Core mesh packet with routing and payload information
| Field | Value | Type |
|---|---|---|
from |
474579260
Source node ID |
uint32 |
to |
4294967295 (Broadcast)
Visible to all nodes |
uint32 |
decoded.portnum |
4
NODEINFO_APP |
enum |
decoded.payload_length |
78 bytes
|
size |
hop_limit |
3
Remaining hops allowed |
uint32 |
hop_start |
3
Initial hop limit |
uint32 |
hops_taken |
0
Calculated: hop_start - hop_limit |
derived |
rx_rssi |
-47.0 dBm
Signal strength at gateway |
int32 |
rx_snr |
5.25 dB
Signal quality at gateway |
float |
rx_time |
1774604754
Receive timestamp |
fixed32 |
via_mqtt |
False
Direct LoRa transmission |
bool |
want_ack |
False
No ACK requested |
bool |
priority |
Not set | enum |
delayed |
Not set | enum |
channel |
Not set | uint32 |
pki_encrypted |
False
Standard encryption |
bool |
next_hop |
Not set | uint32 |
relay_node |
60
Relay node ID |
uint32 |
tx_after |
Not set | uint32 |
timestamp |
1774604755.8945854
Unix timestamp |
uint32 |
MQTT Privacy & Exposure Analysis
Analysis of privacy features and exposure risks when packet is shared via MQTT
Exposure Level: Broadcast
Privacy Features:
- ✓ Direct LoRa transmission (not via MQTT)
- ✓ Custom channel: ShortFast
- ✓ Gateway node ID tracked
- ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
- ⚠ Visible to all nodes on channel
- ⚠ Packet visible to MQTT subscribers
- ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
| Gateway ID: | !33677c50 |
| Zero Hop Policy: |
Enabled
Direct gateway connection |
| Signal Metrics: |
RSSI: -47.0 dBm SNR: 5.25 dB |
Complete Payload Analysis
Detailed breakdown of all payload fields and decoded data
Payload Metadata:
| Protocol: | NODEINFO_APP |
|---|---|
| Size: | 78 bytes |
| Decoded: | Yes |
Complete Payload Data (JSON):
{
"id": "!1c49813c",
"long_name": "Maryhill 813c",
"short_name": "813c",
"macaddr": "EAYcSYE8",
"hw_model": "TBEAM"
}
Complete Protobuf Decode (JSON)
{
"service_envelope": {
"gateway_id": "!33677c50",
"channel_id": "ShortFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 474579260,
"to": 4294967295,
"id": 2692491837,
"rx_time": 1774604754,
"rx_snr": 5.25,
"rx_rssi": -47,
"hop_limit": 3,
"hop_start": 3,
"via_mqtt": false,
"want_ack": false,
"priority": 0,
"delayed": 0,
"channel_index": null,
"pki_encrypted": false,
"next_hop": 0,
"relay_node": 60,
"tx_after": 0,
"decoded": {
"portnum": 4,
"payload": "0a09213163343938313363120d4d61727968696c6c20383133631a0438313363220610061c49813c28044220600744250c466e4e3b2e56f9b5cc95d6079c8a11d7c683a3583da53cf5ad29424800",
"want_response": null,
"dest": null,
"source": null,
"request_id": null,
"reply_id": null,
"emoji": null,
"parsed_payload": {
"id": "!1c49813c",
"long_name": "Maryhill 813c",
"short_name": "813c",
"macaddr": "EAYcSYE8",
"hw_model": "TBEAM",
"public_key": "YAdEJQxGbk47Llb5tcyV1gecihHXxoOjWD2lPPWtKUI=",
"is_unmessagable": false,
"type": "protobuf",
"portnum": "NODEINFO_APP",
"message_class": "User"
}
}
}
}
Raw Packet Data (78 bytes)
0a09213163343938313363120d4d61727968696c6c20383133631a0438313363220610061c49813c28044220600744250c466e4e3b2e56f9b5cc95d6079c8a11d7c683a3583da53cf5ad29424800
Hex Analysis:
| Size: | 78 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 |
|---|---|---|---|---|---|---|---|---|
| Meshtastic 7c50 (7c50) Primary |
0.000s
Reference |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
ShortFast | 2026-03-27 09:45:55 UTC | Current |
| Meshtastic 7c50 (7c50) |
-0.522s
Before |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
LongFast | 2026-03-27 09:45:55 UTC | View |
| Meshtastic 7c50 (7c50) |
-0.488s
Before |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
LongFast | 2026-03-27 09:45:55 UTC | View |
| Meshtastic 7c50 (7c50) |
-0.456s
Before |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
LongFast | 2026-03-27 09:45:55 UTC | View |
| Meshtastic 7c50 (7c50) |
-0.434s
Before |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
LongFast | 2026-03-27 09:45:55 UTC | View |
| Meshtastic 7c50 (7c50) |
-0.413s
Before |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
LongFast | 2026-03-27 09:45:55 UTC | View |
| Meshtastic 7c50 (7c50) |
-0.390s
Before |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
LongFast | 2026-03-27 09:45:55 UTC | View |
| Meshtastic 7c50 (7c50) |
-0.365s
Before |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
LongFast | 2026-03-27 09:45:55 UTC | View |
| Meshtastic 7c50 (7c50) |
-0.341s
Before |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
LongFast | 2026-03-27 09:45:55 UTC | View |
| Meshtastic 7c50 (7c50) |
-0.318s
Before |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
LongFast | 2026-03-27 09:45:55 UTC | View |
| Meshtastic 7c50 (7c50) |
-0.295s
Before |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
LongFast | 2026-03-27 09:45:55 UTC | View |
| Meshtastic 7c50 (7c50) |
-0.274s
Before |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
LongFast | 2026-03-27 09:45:55 UTC | View |
| Meshtastic 7c50 (7c50) |
-0.251s
Before |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
MediumFast | 2026-03-27 09:45:55 UTC | View |
| Meshtastic 7c50 (7c50) |
-0.230s
Before |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
MediumFast | 2026-03-27 09:45:55 UTC | View |
| Meshtastic 7c50 (7c50) |
-0.205s
Before |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
MediumFast | 2026-03-27 09:45:55 UTC | View |
| Meshtastic 7c50 (7c50) |
-0.181s
Before |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
MediumFast | 2026-03-27 09:45:55 UTC | View |
| Meshtastic 7c50 (7c50) |
-0.157s
Before |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
MediumFast | 2026-03-27 09:45:55 UTC | View |
| Meshtastic 7c50 (7c50) |
-0.134s
Before |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
MediumFast | 2026-03-27 09:45:55 UTC | View |
| Meshtastic 7c50 (7c50) |
-0.112s
Before |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
MediumFast | 2026-03-27 09:45:55 UTC | View |
| Meshtastic 7c50 (7c50) |
-0.090s
Before |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
MediumFast | 2026-03-27 09:45:55 UTC | View |
| Meshtastic 7c50 (7c50) |
-0.069s
Before |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
MediumFast | 2026-03-27 09:45:55 UTC | View |
| Meshtastic 7c50 (7c50) |
-0.046s
Before |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
MediumFast | 2026-03-27 09:45:55 UTC | View |
| Meshtastic 7c50 (7c50) |
-0.024s
Before |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
MediumFast | 2026-03-27 09:45:55 UTC | View |
| Meshtastic 7c50 (7c50) |
+0.033s
After |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
ShortFast | 2026-03-27 09:45:55 UTC | View |
| Meshtastic 7c50 (7c50) |
+0.070s
After |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
ShortFast | 2026-03-27 09:45:55 UTC | View |
| Meshtastic 7c50 (7c50) |
+0.104s
After |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
ShortFast | 2026-03-27 09:45:55 UTC | View |
| Meshtastic 7c50 (7c50) |
+0.143s
After |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
ShortFast | 2026-03-27 09:45:56 UTC | View |
| Meshtastic 7c50 (7c50) |
+0.169s
After |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
ShortFast | 2026-03-27 09:45:56 UTC | View |
| Meshtastic 7c50 (7c50) |
+0.205s
After |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
ShortFast | 2026-03-27 09:45:56 UTC | View |
| Meshtastic 7c50 (7c50) |
+0.253s
After |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
ShortFast | 2026-03-27 09:45:56 UTC | View |
| Meshtastic 7c50 (7c50) |
+0.290s
After |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
ShortFast | 2026-03-27 09:45:56 UTC | View |
| Meshtastic 7c50 (7c50) |
+0.326s
After |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
ShortFast | 2026-03-27 09:45:56 UTC | View |
| Meshtastic 7c50 (7c50) |
+0.349s
After |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
ShortFast | 2026-03-27 09:45:56 UTC | View |
| Meshtastic 7c50 (7c50) |
+0.374s
After |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
ShortTurbo | 2026-03-27 09:45:56 UTC | View |
| Meshtastic 7c50 (7c50) |
+0.398s
After |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
ShortTurbo | 2026-03-27 09:45:56 UTC | View |
| Meshtastic 7c50 (7c50) |
+0.421s
After |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
ShortTurbo | 2026-03-27 09:45:56 UTC | View |
| Meshtastic 7c50 (7c50) |
+0.444s
After |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
ShortTurbo | 2026-03-27 09:45:56 UTC | View |
| Meshtastic 7c50 (7c50) |
+0.466s
After |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
ShortTurbo | 2026-03-27 09:45:56 UTC | View |
| Meshtastic 7c50 (7c50) |
+0.487s
After |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
ShortTurbo | 2026-03-27 09:45:56 UTC | View |
| Meshtastic 7c50 (7c50) |
+0.509s
After |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
ShortTurbo | 2026-03-27 09:45:56 UTC | View |
| Meshtastic 7c50 (7c50) |
+0.532s
After |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
ShortTurbo | 2026-03-27 09:45:56 UTC | View |
| Meshtastic 7c50 (7c50) |
+0.556s
After |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
ShortTurbo | 2026-03-27 09:45:56 UTC | View |
| Meshtastic 7c50 (7c50) |
+0.580s
After |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
ShortTurbo | 2026-03-27 09:45:56 UTC | View |
| Meshtastic 7c50 (7c50) |
+0.603s
After |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
ShortTurbo | 2026-03-27 09:45:56 UTC | View |
| Meshtastic 7c50 (7c50) |
+0.625s
After |
-47.0 dBm | 5.25 dB | 0 |
3c
813c
|
LongFast | 2026-03-27 09:45:56 UTC | View |
45
Total Receptions
1
Unique Gateways