Packet #18138538 Success
TELEMETRY_APP packet from IslandMesh now on MediumSlow Nan-Vic (GHR2) to !ffffffff
46
Total Receptions
2
Unique Gateways
5
Hop Count
29
Payload Bytes
Packet Information
| Database ID: | 18138538 |
|---|---|
| Mesh Packet ID: |
0x52bdb17c
Used for correlation across gateways |
| Timestamp: | 2026-03-28 04:25:20 UTC |
| From Node: | IslandMesh now on MediumSlow Nan-Vic (GHR2) |
| To Node: | !ffffffff (ffff) |
| Success: | Processed |
| Protocol: |
TELEMETRY_APP
Port: 67 |
| Gateway: | el8010_1 (e108) |
|---|---|
| Channel: | LongFast |
| RSSI: | -143 dBm |
| SNR: | -18.75 dBm |
| Hop Info: |
5/5 hops
Start: 5, Limit: 0 |
| Relay Node: |
f8
Last byte of the last hop that relayed this packet |
Payload Data
Protocol: TELEMETRY_APP
Size: 29 bytes
Decoded:
Yes
Decoded Data:
Device Metrics:
| Battery: | 96% |
|---|---|
| Voltage: | 4.14 V |
| Channel Usage: | 26.9% |
| Air Util TX: | 4.2% |
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: | 29 bytes |
|---|---|
| Gateway: | !c46be108 |
| Channel: | LongFast |
| Payload Type: | TELEMETRY_APP |
| Hop Count: | 5 / 5 |
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 |
!c46be108
Node ID format |
channel_id |
LongFast
Default public channel |
packet |
MeshPacket (29 bytes)
Contains the actual mesh network packet |
MeshPacket Fields
Core mesh packet with routing and payload information
| Field | Value | Type |
|---|---|---|
from |
2782529868
Source node ID |
uint32 |
to |
4294967295 (Broadcast)
Visible to all nodes |
uint32 |
decoded.portnum |
67
TELEMETRY_APP |
enum |
decoded.payload_length |
29 bytes
|
size |
hop_limit |
Not set | uint32 |
hop_start |
5
Initial hop limit |
uint32 |
hops_taken |
5
Calculated: hop_start - hop_limit |
derived |
rx_rssi |
-143.0 dBm
Signal strength at gateway |
int32 |
rx_snr |
-18.75 dB
Signal quality at gateway |
float |
rx_time |
1774671907
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 |
248
Relay node ID |
uint32 |
tx_after |
Not set | uint32 |
timestamp |
1774671920.805626
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 (5 hops)
- ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
| Gateway ID: | !c46be108 |
| Signal Metrics: |
RSSI: -143.0 dBm SNR: -18.75 dB |
Complete Payload Analysis
Detailed breakdown of all payload fields and decoded data
Payload Metadata:
| Protocol: | TELEMETRY_APP |
|---|---|
| Size: | 29 bytes |
| Decoded: | Yes |
Complete Payload Data (JSON):
{
"time": 1774671862,
"device_metrics": {
"battery_level": 96,
"voltage": 4.139,
"channel_utilization": 26.928333,
"air_util_tx": 4.2127776,
"uptime_seconds": 3325597
}
}
Complete Protobuf Decode (JSON)
{
"service_envelope": {
"gateway_id": "!c46be108",
"channel_id": "LongFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 2782529868,
"to": 4294967295,
"id": 1388163452,
"rx_time": 1774671907,
"rx_snr": -18.75,
"rx_rssi": -143,
"hop_limit": 0,
"hop_start": 5,
"via_mqtt": false,
"want_ack": false,
"priority": 0,
"delayed": 0,
"channel_index": null,
"pki_encrypted": false,
"next_hop": 0,
"relay_node": 248,
"tx_after": 0,
"decoded": {
"portnum": 67,
"payload": "0df657c7691216086015b07284401d3a6dd7412513cf8640289dfdca01",
"want_response": null,
"dest": null,
"source": null,
"request_id": null,
"reply_id": null,
"emoji": null,
"parsed_payload": {
"time": 1774671862,
"device_metrics": {
"battery_level": 96,
"voltage": 4.139,
"channel_utilization": 26.928333,
"air_util_tx": 4.2127776,
"uptime_seconds": 3325597
},
"type": "protobuf",
"portnum": "TELEMETRY_APP",
"message_class": "Telemetry"
}
}
}
}
Raw Packet Data (29 bytes)
0df657c7691216086015b07284401d3a6dd7412513cf8640289dfdca01
Hex Analysis:
| Size: | 29 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 |
|---|---|---|---|---|---|---|---|---|
| el8010_1 (e108) Primary |
0.000s
Reference |
-143.0 dBm | -18.75 dB | 5 |
f8
|
LongFast | 2026-03-28 04:25:20 UTC | Current |
| el8010_1 (e108) |
-0.050s
Before |
-143.0 dBm | -18.75 dB | 5 |
f8
|
LongFast | 2026-03-28 04:25:20 UTC | View |
| el8010_1 (e108) |
-0.023s
Before |
-143.0 dBm | -18.75 dB | 5 |
f8
|
LongFast | 2026-03-28 04:25:20 UTC | View |
| el8010_1 (e108) |
+0.023s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
LongFast | 2026-03-28 04:25:20 UTC | View |
| el8010_1 (e108) |
+0.046s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
LongFast | 2026-03-28 04:25:20 UTC | View |
| el8010_1 (e108) |
+0.067s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
LongFast | 2026-03-28 04:25:20 UTC | View |
| el8010_1 (e108) |
+0.088s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
LongFast | 2026-03-28 04:25:20 UTC | View |
| el8010_1 (e108) |
+0.109s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
LongFast | 2026-03-28 04:25:20 UTC | View |
| el8010_1 (e108) |
+0.129s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
LongFast | 2026-03-28 04:25:20 UTC | View |
| el8010_1 (e108) |
+0.151s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
LongFast | 2026-03-28 04:25:20 UTC | View |
| el8010_1 (e108) |
+0.175s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
LongFast | 2026-03-28 04:25:20 UTC | View |
| el8010_1 (e108) |
+0.199s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
MediumFast | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+0.222s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
MediumFast | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+0.244s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
MediumFast | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+0.265s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
MediumFast | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+0.286s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
MediumFast | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+0.371s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
MediumFast | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+0.453s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
MediumFast | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+0.507s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
MediumFast | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+0.541s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
MediumFast | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+0.564s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
MediumFast | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+0.588s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
MediumFast | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+0.613s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
ShortFast | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+0.638s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
ShortFast | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+0.660s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
ShortFast | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+0.690s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
ShortFast | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+0.719s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
ShortFast | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+0.750s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
ShortFast | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+0.788s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
ShortFast | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+0.810s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
ShortFast | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+0.833s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
ShortFast | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+0.856s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
ShortFast | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+0.878s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
ShortFast | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+0.904s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
ShortTurbo | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+0.939s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
ShortTurbo | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+0.980s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
ShortTurbo | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+1.002s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
ShortTurbo | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+1.022s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
ShortTurbo | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+1.044s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
ShortTurbo | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+1.064s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
ShortTurbo | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+1.087s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
ShortTurbo | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+1.110s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
ShortTurbo | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+1.134s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
ShortTurbo | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+1.156s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
ShortTurbo | 2026-03-28 04:25:21 UTC | View |
| el8010_1 (e108) |
+1.179s
After |
-143.0 dBm | -18.75 dB | 5 |
f8
|
LongFast | 2026-03-28 04:25:21 UTC | View |
| VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) |
+1.200s
After |
-114.0 dBm | -5.25 dB | 5 |
8f
|
LongFast | 2026-03-28 04:25:22 UTC | View |
46
Total Receptions
2
Unique Gateways