Packet #18021637 Success
TELEMETRY_APP packet from CRT1: Real Mesh is Medium Slow Slot 52 (CRT1) to !ffffffff
45
Total Receptions
1
Unique Gateways
3
Hop Count
17
Payload Bytes
Packet Information
| Database ID: | 18021637 |
|---|---|
| Mesh Packet ID: |
0xab14fd53
Used for correlation across gateways |
| Timestamp: | 2026-03-27 21:50:16 UTC |
| From Node: | CRT1: Real Mesh is Medium Slow Slot 52 (CRT1) |
| To Node: | !ffffffff (ffff) |
| Success: | Processed |
| Protocol: |
TELEMETRY_APP
Port: 67 |
| Gateway: | VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
|---|---|
| Channel: | LongFast |
| RSSI: | -119 dBm |
| SNR: | -9.5 dBm |
| Hop Info: |
3/3 hops
Start: 3, Limit: 0 |
| Relay Node: |
6c
Last byte of the last hop that relayed this packet |
Payload Data
Protocol: TELEMETRY_APP
Size: 17 bytes
Decoded:
Yes
Decoded Data:
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: | 17 bytes |
|---|---|
| Gateway: | !9e779d68 |
| Channel: | LongFast |
| Payload Type: | TELEMETRY_APP |
| Hop Count: | 3 / 3 |
Privacy Summary
Exposure Level:
Broadcast
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 3 more...
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 3 more...
MQTT ServiceEnvelope Fields
MQTT ServiceEnvelope contains the MeshPacket plus routing metadata
| Field | Value |
|---|---|
gateway_id |
!9e779d68
Node ID format |
channel_id |
LongFast
Default public channel |
packet |
MeshPacket (17 bytes)
Contains the actual mesh network packet |
MeshPacket Fields
Core mesh packet with routing and payload information
| Field | Value | Type |
|---|---|---|
from |
1423990028
Source node ID |
uint32 |
to |
4294967295 (Broadcast)
Visible to all nodes |
uint32 |
decoded.portnum |
67
TELEMETRY_APP |
enum |
decoded.payload_length |
17 bytes
|
size |
hop_limit |
Not set | uint32 |
hop_start |
3
Initial hop limit |
uint32 |
hops_taken |
3
Calculated: hop_start - hop_limit |
derived |
rx_rssi |
-119.0 dBm
Signal strength at gateway |
int32 |
rx_snr |
-9.50 dB
Signal quality at gateway |
float |
rx_time |
1774648215
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 |
108
Relay node ID |
uint32 |
tx_after |
Not set | uint32 |
timestamp |
1774648216.4443743
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)
- ✓ Gateway node ID tracked
Exposure Risks:
- ⚠ Visible to all nodes on channel
- ⚠ Default channel - no encryption
- ⚠ Packet visible to MQTT subscribers
- ⚠ Multi-hop path visible (3 hops)
- ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
| Gateway ID: | !9e779d68 |
| Signal Metrics: |
RSSI: -119.0 dBm SNR: -9.50 dB |
Complete Payload Analysis
Detailed breakdown of all payload fields and decoded data
Payload Metadata:
| Protocol: | TELEMETRY_APP |
|---|---|
| Size: | 17 bytes |
| Decoded: | Yes |
Complete Payload Data (JSON):
{
"time": 1774648173,
"power_metrics": {
"ch3_voltage": 4.224,
"ch3_current": 15.8
}
}
Complete Protobuf Decode (JSON)
{
"service_envelope": {
"gateway_id": "!9e779d68",
"channel_id": "LongFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 1423990028,
"to": 4294967295,
"id": 2870279507,
"rx_time": 1774648215,
"rx_snr": -9.5,
"rx_rssi": -119,
"hop_limit": 0,
"hop_start": 3,
"via_mqtt": false,
"want_ack": false,
"priority": 0,
"delayed": 0,
"channel_index": null,
"pki_encrypted": false,
"next_hop": 0,
"relay_node": 108,
"tx_after": 0,
"decoded": {
"portnum": 67,
"payload": "0d6dfbc6692a0a2d022b874035cdcc7c41",
"want_response": null,
"dest": null,
"source": null,
"request_id": null,
"reply_id": null,
"emoji": null,
"parsed_payload": {
"time": 1774648173,
"power_metrics": {
"ch3_voltage": 4.224,
"ch3_current": 15.8
},
"type": "protobuf",
"portnum": "TELEMETRY_APP",
"message_class": "Telemetry"
}
}
}
}
Raw Packet Data (17 bytes)
0d6dfbc6692a0a2d022b874035cdcc7c41
Hex Analysis:
| Size: | 17 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 |
|---|---|---|---|---|---|---|---|---|
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) Primary |
0.000s
Reference |
-119.0 dBm | -9.50 dB | 3 |
6c
|
LongFast | 2026-03-27 21:50:16 UTC | Current |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
-0.569s
Before |
-119.0 dBm | -9.50 dB | 3 |
6c
|
LongFast | 2026-03-27 21:50:15 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
-0.463s
Before |
-119.0 dBm | -9.50 dB | 3 |
6c
|
LongFast | 2026-03-27 21:50:15 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
-0.360s
Before |
-119.0 dBm | -9.50 dB | 3 |
6c
|
LongFast | 2026-03-27 21:50:16 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
-0.285s
Before |
-119.0 dBm | -9.50 dB | 3 |
6c
|
LongFast | 2026-03-27 21:50:16 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
-0.233s
Before |
-119.0 dBm | -9.50 dB | 3 |
6c
|
LongFast | 2026-03-27 21:50:16 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
-0.172s
Before |
-119.0 dBm | -9.50 dB | 3 |
6c
|
LongFast | 2026-03-27 21:50:16 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
-0.138s
Before |
-119.0 dBm | -9.50 dB | 3 |
6c
|
LongFast | 2026-03-27 21:50:16 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
-0.100s
Before |
-119.0 dBm | -9.50 dB | 3 |
6c
|
LongFast | 2026-03-27 21:50:16 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
-0.073s
Before |
-119.0 dBm | -9.50 dB | 3 |
6c
|
LongFast | 2026-03-27 21:50:16 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
-0.041s
Before |
-119.0 dBm | -9.50 dB | 3 |
6c
|
LongFast | 2026-03-27 21:50:16 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.052s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
MediumFast | 2026-03-27 21:50:16 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.086s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
MediumFast | 2026-03-27 21:50:16 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.130s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
MediumFast | 2026-03-27 21:50:16 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.160s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
MediumFast | 2026-03-27 21:50:16 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.196s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
MediumFast | 2026-03-27 21:50:16 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.258s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
MediumFast | 2026-03-27 21:50:16 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.295s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
MediumFast | 2026-03-27 21:50:16 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.332s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
MediumFast | 2026-03-27 21:50:16 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.377s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
MediumFast | 2026-03-27 21:50:16 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.406s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
MediumFast | 2026-03-27 21:50:16 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.441s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
MediumFast | 2026-03-27 21:50:16 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.477s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
ShortFast | 2026-03-27 21:50:16 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.515s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
ShortFast | 2026-03-27 21:50:16 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.595s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
ShortFast | 2026-03-27 21:50:17 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.654s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
ShortFast | 2026-03-27 21:50:17 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.762s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
ShortFast | 2026-03-27 21:50:17 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.846s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
ShortFast | 2026-03-27 21:50:17 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.915s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
ShortFast | 2026-03-27 21:50:17 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+0.985s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
ShortFast | 2026-03-27 21:50:17 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+1.059s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
ShortFast | 2026-03-27 21:50:17 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+1.114s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
ShortFast | 2026-03-27 21:50:17 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+1.175s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
ShortFast | 2026-03-27 21:50:17 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+1.216s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
ShortTurbo | 2026-03-27 21:50:17 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+1.264s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
ShortTurbo | 2026-03-27 21:50:17 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+1.458s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
ShortTurbo | 2026-03-27 21:50:17 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+1.607s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
ShortTurbo | 2026-03-27 21:50:18 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+1.666s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
ShortTurbo | 2026-03-27 21:50:18 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+1.734s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
ShortTurbo | 2026-03-27 21:50:18 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+1.790s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
ShortTurbo | 2026-03-27 21:50:18 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+1.874s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
ShortTurbo | 2026-03-27 21:50:18 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+1.931s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
ShortTurbo | 2026-03-27 21:50:18 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+1.996s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
ShortTurbo | 2026-03-27 21:50:18 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+2.082s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
ShortTurbo | 2026-03-27 21:50:18 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+2.135s
After |
-119.0 dBm | -9.50 dB | 3 |
6c
|
LongFast | 2026-03-27 21:50:18 UTC | View |
45
Total Receptions
1
Unique Gateways