Packet #39353725 Success
POSITION_APP packet from NGC3_Tag (NGC3) to !ffffffff
46
Total Receptions
2
Unique Gateways
2
Hop Count
30
Payload Bytes
Packet Information
| Database ID: | 39353725 |
|---|---|
| Mesh Packet ID: |
0x39c9e783
Used for correlation across gateways |
| Timestamp: | 2026-05-15 23:43:13 UTC |
| From Node: | NGC3_Tag (NGC3) |
| To Node: | !ffffffff (ffff) |
| Success: | Processed |
| Protocol: |
POSITION_APP
Port: 3 |
| Gateway: | TINKERBELL L20/USON mt.gt 6358 (TINK) |
|---|---|
| Channel: | MediumFast |
| RSSI: | -128 dBm |
| SNR: | -19.25 dBm |
| Hop Info: |
2/3 hops
Start: 3, Limit: 1 |
| Relay Node: |
c8
KomB
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions |
Payload Data
Protocol: POSITION_APP
Size: 30 bytes
Decoded:
Yes
Decoded Data:
| Latitude: | 43.660083° |
|---|---|
| Longitude: | -79.390310° |
| Altitude: | 97 m |
| Satellites: | 12 |
| Precision: | 14 bits |
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: | 30 bytes |
|---|---|
| Gateway: | !433a6358 |
| Channel: | MediumFast |
| Payload Type: | POSITION_APP |
| Hop Count: | 2 / 3 |
Privacy Summary
Exposure Level:
Broadcast
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 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 |
!433a6358
Node ID format |
channel_id |
MediumFast
|
packet |
MeshPacket (30 bytes)
Contains the actual mesh network packet |
MeshPacket Fields
Core mesh packet with routing and payload information
| Field | Value | Type |
|---|---|---|
from |
239472739
Source node ID |
uint32 |
to |
4294967295 (Broadcast)
Visible to all nodes |
uint32 |
decoded.portnum |
3
POSITION_APP |
enum |
decoded.payload_length |
30 bytes
|
size |
hop_limit |
1
Remaining hops allowed |
uint32 |
hop_start |
3
Initial hop limit |
uint32 |
hops_taken |
2
Calculated: hop_start - hop_limit |
derived |
rx_rssi |
-128.0 dBm
Signal strength at gateway |
int32 |
rx_snr |
-19.25 dB
Signal quality at gateway |
float |
rx_time |
1778888591
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 |
200
Relay node ID |
uint32 |
tx_after |
Not set | uint32 |
timestamp |
1778888593.5674849
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: MediumFast
- ✓ Gateway node ID tracked
- ✓ Reduced position precision: ~1500.0m accuracy
Exposure Risks:
- ⚠ Visible to all nodes on channel
- ⚠ Packet visible to MQTT subscribers
- ⚠ Multi-hop path visible (2 hops)
- ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
| Gateway ID: | !433a6358 |
| Position Precision: | 14 bits (~1500.0m accuracy) |
| Position precision meters: | 1500.0 |
| Signal Metrics: |
RSSI: -128.0 dBm SNR: -19.25 dB |
Complete Payload Analysis
Detailed breakdown of all payload fields and decoded data
Payload Metadata:
| Protocol: | POSITION_APP |
|---|---|
| Size: | 30 bytes |
| Decoded: | Yes |
Complete Payload Data (JSON):
{
"latitude": 43.6600832,
"longitude": -79.3903104,
"altitude": 97,
"sats_in_view": 12,
"precision_bits": 14
}
Complete Protobuf Decode (JSON)
{
"service_envelope": {
"gateway_id": "!433a6358",
"channel_id": "MediumFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 239472739,
"to": 4294967295,
"id": 969533315,
"rx_time": 1778888591,
"rx_snr": -19.25,
"rx_rssi": -128,
"hop_limit": 1,
"hop_start": 3,
"via_mqtt": false,
"want_ack": false,
"priority": 0,
"delayed": 0,
"channel_index": null,
"pki_encrypted": false,
"next_hop": 0,
"relay_node": 200,
"tx_after": 0,
"decoded": {
"portnum": 3,
"payload": "0d0000061a150000aed0186125ca38096a2803780080010098010cb8010e",
"want_response": null,
"dest": null,
"source": null,
"request_id": null,
"reply_id": null,
"emoji": null,
"parsed_payload": {
"latitude_i": 436600832,
"longitude_i": -793903104,
"altitude": 97,
"time": 1778989258,
"location_source": "LOC_EXTERNAL",
"ground_speed": 0,
"ground_track": 0,
"sats_in_view": 12,
"precision_bits": 14,
"type": "protobuf",
"portnum": "POSITION_APP",
"message_class": "Position"
}
}
}
}
Raw Packet Data (30 bytes)
0d0000061a150000aed0186125ca38096a2803780080010098010cb8010e
Hex Analysis:
| Size: | 30 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 |
|---|---|---|---|---|---|---|---|---|
| TINKERBELL L20/USON mt.gt 6358 (TINK) Primary |
0.000s
Reference |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
MediumFast | 2026-05-15 23:43:13 UTC | Current |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
-0.204s
Before |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
LongFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
-0.172s
Before |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
LongFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
-0.160s
Before |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
LongFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
-0.143s
Before |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
LongFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
-0.124s
Before |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
LongFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
-0.106s
Before |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
LongFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
-0.095s
Before |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
LongFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
-0.082s
Before |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
LongFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
-0.071s
Before |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
LongFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
-0.059s
Before |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
LongFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
-0.049s
Before |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
LongFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
-0.038s
Before |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
MediumFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
-0.027s
Before |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
MediumFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
-0.016s
Before |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
MediumFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.011s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
MediumFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.021s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
MediumFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.031s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
MediumFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.043s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
MediumFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.055s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
MediumFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.067s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
MediumFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.079s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
MediumFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.090s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
ShortFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.102s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
ShortFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.113s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
ShortFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.125s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
ShortFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.135s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
ShortFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.145s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
ShortFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.156s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
ShortFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.166s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
ShortFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.177s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
ShortFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.188s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
ShortFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.199s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
ShortFast | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.209s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
ShortTurbo | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.221s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
ShortTurbo | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.233s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
ShortTurbo | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.245s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
ShortTurbo | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.257s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
ShortTurbo | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.269s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
ShortTurbo | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.281s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
ShortTurbo | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.293s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
ShortTurbo | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.304s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
ShortTurbo | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.315s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
ShortTurbo | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.326s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
ShortTurbo | 2026-05-15 23:43:13 UTC | View |
| TINKERBELL L20/USON mt.gt 6358 (TINK) |
+0.337s
After |
-128.0 dBm | -19.25 dB | 2 |
c8
KomB
|
LongFast | 2026-05-15 23:43:13 UTC | View |
| LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) |
+0.348s
After |
Unknown | Unknown | 3 |
58
TINK
|
LongFast | 2026-05-15 23:43:13 UTC | View |
46
Total Receptions
2
Unique Gateways