Packet #18016826 Success
TELEMETRY_APP packet from neotracker (ntrc) to !ffffffff
47
Total Receptions
3
Unique Gateways
1
Hop Count
17
Payload Bytes
Packet Information
| Database ID: | 18016826 |
|---|---|
| Mesh Packet ID: |
0xd94cafeb
Used for correlation across gateways |
| Timestamp: | 2026-03-27 21:33:43 UTC |
| From Node: | neotracker (ntrc) |
| To Node: | !ffffffff (ffff) |
| Success: | Processed |
| Protocol: |
TELEMETRY_APP
Port: 67 |
| Gateway: | LogyG2 (LgyG) |
|---|---|
| Channel: | ShortFast |
| RSSI: | -101 dBm |
| SNR: | -15.0 dBm |
| Hop Info: |
1/7 hops
Start: 7, Limit: 6 |
| Relay Node: | None |
Payload Data
Protocol: TELEMETRY_APP
Size: 17 bytes
Decoded:
Yes
Decoded Data:
Environment Metrics:
| Temperature: | 18.4°C |
|---|
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: | !a2e19d74 |
| Channel: | ShortFast |
| Payload Type: | TELEMETRY_APP |
| Hop Count: | 1 / 7 |
Privacy Summary
Exposure Level:
Broadcast
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 1 more...
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields
MQTT ServiceEnvelope contains the MeshPacket plus routing metadata
| Field | Value |
|---|---|
gateway_id |
!a2e19d74
Node ID format |
channel_id |
ShortFast
|
packet |
MeshPacket (17 bytes)
Contains the actual mesh network packet |
MeshPacket Fields
Core mesh packet with routing and payload information
| Field | Value | Type |
|---|---|---|
from |
1878604709
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 |
6
Remaining hops allowed |
uint32 |
hop_start |
7
Initial hop limit |
uint32 |
hops_taken |
1
Calculated: hop_start - hop_limit |
derived |
rx_rssi |
-101.0 dBm
Signal strength at gateway |
int32 |
rx_snr |
-15.00 dB
Signal quality at gateway |
float |
rx_time |
1774647223
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 |
Not set | uint32 |
tx_after |
Not set | uint32 |
timestamp |
1774647223.5764632
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
Exposure Risks:
- ⚠ Visible to all nodes on channel
- ⚠ Packet visible to MQTT subscribers
- ⚠ Multi-hop path visible (1 hops)
- ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
| Gateway ID: | !a2e19d74 |
| Signal Metrics: |
RSSI: -101.0 dBm SNR: -15.00 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": 1774647220,
"environment_metrics": {
"temperature": 18.379736,
"lux": 100.0
}
}
Complete Protobuf Decode (JSON)
{
"service_envelope": {
"gateway_id": "!a2e19d74",
"channel_id": "ShortFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 1878604709,
"to": 4294967295,
"id": 3645681643,
"rx_time": 1774647223,
"rx_snr": -15.0,
"rx_rssi": -101,
"hop_limit": 6,
"hop_start": 7,
"via_mqtt": false,
"want_ack": false,
"priority": 0,
"delayed": 0,
"channel_index": null,
"pki_encrypted": false,
"next_hop": 0,
"relay_node": 0,
"tx_after": 0,
"decoded": {
"portnum": 67,
"payload": "0db4f7c6691a0a0db30993414d0000c842",
"want_response": null,
"dest": null,
"source": null,
"request_id": null,
"reply_id": null,
"emoji": null,
"parsed_payload": {
"time": 1774647220,
"environment_metrics": {
"temperature": 18.379736,
"lux": 100.0
},
"type": "protobuf",
"portnum": "TELEMETRY_APP",
"message_class": "Telemetry"
}
}
}
}
Raw Packet Data (17 bytes)
0db4f7c6691a0a0db30993414d0000c842
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 |
|---|---|---|---|---|---|---|---|---|
| LogyG2 (LgyG) Primary |
0.000s
Reference |
-101.0 dBm | -15.00 dB | 1 | - | ShortFast | 2026-03-27 21:33:43 UTC | Current |
| LogyG2 (LgyG) |
-0.567s
Before |
-101.0 dBm | -15.00 dB | 1 | - | LongFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
-0.539s
Before |
-101.0 dBm | -15.00 dB | 1 | - | LongFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
-0.505s
Before |
-101.0 dBm | -15.00 dB | 1 | - | LongFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
-0.481s
Before |
-101.0 dBm | -15.00 dB | 1 | - | LongFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
-0.461s
Before |
-101.0 dBm | -15.00 dB | 1 | - | LongFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
-0.435s
Before |
-101.0 dBm | -15.00 dB | 1 | - | LongFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
-0.415s
Before |
-101.0 dBm | -15.00 dB | 1 | - | LongFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
-0.394s
Before |
-101.0 dBm | -15.00 dB | 1 | - | LongFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
-0.372s
Before |
-101.0 dBm | -15.00 dB | 1 | - | LongFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
-0.350s
Before |
-101.0 dBm | -15.00 dB | 1 | - | LongFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
-0.327s
Before |
-101.0 dBm | -15.00 dB | 1 | - | LongFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
-0.303s
Before |
-101.0 dBm | -15.00 dB | 1 | - | MediumFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
-0.274s
Before |
-101.0 dBm | -15.00 dB | 1 | - | MediumFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
-0.248s
Before |
-101.0 dBm | -15.00 dB | 1 | - | MediumFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
-0.226s
Before |
-101.0 dBm | -15.00 dB | 1 | - | MediumFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
-0.205s
Before |
-101.0 dBm | -15.00 dB | 1 | - | MediumFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
-0.184s
Before |
-101.0 dBm | -15.00 dB | 1 | - | MediumFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
-0.163s
Before |
-101.0 dBm | -15.00 dB | 1 | - | MediumFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
-0.140s
Before |
-101.0 dBm | -15.00 dB | 1 | - | MediumFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
-0.116s
Before |
-101.0 dBm | -15.00 dB | 1 | - | MediumFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
-0.093s
Before |
-101.0 dBm | -15.00 dB | 1 | - | MediumFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
-0.070s
Before |
-101.0 dBm | -15.00 dB | 1 | - | MediumFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
-0.041s
Before |
-101.0 dBm | -15.00 dB | 1 | - | ShortFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
+0.024s
After |
-101.0 dBm | -15.00 dB | 1 | - | ShortFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
+0.062s
After |
-101.0 dBm | -15.00 dB | 1 | - | ShortFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
+0.101s
After |
-101.0 dBm | -15.00 dB | 1 | - | ShortFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
+0.123s
After |
-101.0 dBm | -15.00 dB | 1 | - | ShortFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
+0.144s
After |
-101.0 dBm | -15.00 dB | 1 | - | ShortFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
+0.165s
After |
-101.0 dBm | -15.00 dB | 1 | - | ShortFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
+0.187s
After |
-101.0 dBm | -15.00 dB | 1 | - | ShortFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
+0.209s
After |
-101.0 dBm | -15.00 dB | 1 | - | ShortFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
+0.233s
After |
-101.0 dBm | -15.00 dB | 1 | - | ShortFast | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
+0.257s
After |
-101.0 dBm | -15.00 dB | 1 | - | ShortTurbo | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
+0.280s
After |
-101.0 dBm | -15.00 dB | 1 | - | ShortTurbo | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
+0.302s
After |
-101.0 dBm | -15.00 dB | 1 | - | ShortTurbo | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
+0.323s
After |
-101.0 dBm | -15.00 dB | 1 | - | ShortTurbo | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
+0.345s
After |
-101.0 dBm | -15.00 dB | 1 | - | ShortTurbo | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
+0.367s
After |
-101.0 dBm | -15.00 dB | 1 | - | ShortTurbo | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
+0.392s
After |
-101.0 dBm | -15.00 dB | 1 | - | ShortTurbo | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
+0.417s
After |
-101.0 dBm | -15.00 dB | 1 | - | ShortTurbo | 2026-03-27 21:33:43 UTC | View |
| LogyG2 (LgyG) |
+0.440s
After |
-101.0 dBm | -15.00 dB | 1 | - | ShortTurbo | 2026-03-27 21:33:44 UTC | View |
| LogyG2 (LgyG) |
+0.464s
After |
-101.0 dBm | -15.00 dB | 1 | - | ShortTurbo | 2026-03-27 21:33:44 UTC | View |
| LogyG2 (LgyG) |
+0.485s
After |
-101.0 dBm | -15.00 dB | 1 | - | ShortTurbo | 2026-03-27 21:33:44 UTC | View |
| LogyG2 (LgyG) |
+0.507s
After |
-101.0 dBm | -15.00 dB | 1 | - | LongFast | 2026-03-27 21:33:44 UTC | View |
| neoSG2 https://canadaverse.org/ (🎐) |
+0.527s
After |
-45.0 dBm | 6.25 dB | 0 |
a5
ntrc
|
LongFast | 2026-03-27 21:33:44 UTC | View |
| VE3WNP-12 (WNP) |
+0.923s
After |
-77.0 dBm | 6.75 dB | 2 |
68
WNPr
|
LongFast | 2026-03-27 21:33:44 UTC | View |
47
Total Receptions
3
Unique Gateways