Packet #17810297 Success
POSITION_APP packet from Alliston 1 (AMA1) to !ffffffff
45
Total Receptions
1
Unique Gateways
0
Hop Count
37
Payload Bytes
Packet Information
| Database ID: | 17810297 |
|---|---|
| Mesh Packet ID: |
0xa4a5ac15
Used for correlation across gateways |
| Timestamp: | 2026-03-27 10:12:57 UTC |
| From Node: | Alliston 1 (AMA1) |
| To Node: | !ffffffff (ffff) |
| Success: | Processed |
| Protocol: |
POSITION_APP
Port: 3 |
| Gateway: | Alliston 1 (AMA1) |
|---|---|
| Channel: | MediumFast |
| RSSI: | Unknown |
| SNR: | Unknown |
| Hop Info: |
0/3 hops
Start: 3, Limit: 3 |
| Relay Node: |
80
AMA1
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: 37 bytes
Decoded:
Yes
Decoded Data:
| Latitude: | 44.164710° |
|---|---|
| Longitude: | -79.855616° |
| Altitude: | 204 m |
| Satellites: | 6 |
| Precision: | 15 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: | 37 bytes |
|---|---|
| Gateway: | !435b1080 |
| Channel: | MediumFast |
| Payload Type: | POSITION_APP |
| Hop Count: | Unknown / 3 |
Privacy Summary
Exposure Level:
Broadcast
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 3 more...
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 3 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields
MQTT ServiceEnvelope contains the MeshPacket plus routing metadata
| Field | Value |
|---|---|
gateway_id |
!435b1080
Node ID format |
channel_id |
MediumFast
|
packet |
MeshPacket (37 bytes)
Contains the actual mesh network packet |
MeshPacket Fields
Core mesh packet with routing and payload information
| Field | Value | Type |
|---|---|---|
from |
1130041472
Source node ID |
uint32 |
to |
4294967295 (Broadcast)
Visible to all nodes |
uint32 |
decoded.portnum |
3
POSITION_APP |
enum |
decoded.payload_length |
37 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 |
Not set | int32 |
rx_snr |
Not set | float |
rx_time |
1774606376
Receive timestamp |
fixed32 |
via_mqtt |
False
Direct LoRa transmission |
bool |
want_ack |
False
No ACK requested |
bool |
priority |
10
Packet priority level |
enum |
delayed |
Not set | enum |
channel |
Not set | uint32 |
pki_encrypted |
False
Standard encryption |
bool |
next_hop |
Not set | uint32 |
relay_node |
128
Relay node ID |
uint32 |
tx_after |
Not set | uint32 |
timestamp |
1774606377.0594094
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: ~729.0m accuracy
- ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
- ⚠ Visible to all nodes on channel
- ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
| Gateway ID: | !435b1080 |
| Position Precision: | 15 bits (~729.0m accuracy) |
| Position precision meters: | 729.0 |
| Zero Hop Policy: |
Enabled
Direct gateway connection |
Complete Payload Analysis
Detailed breakdown of all payload fields and decoded data
Payload Metadata:
| Protocol: | POSITION_APP |
|---|---|
| Size: | 37 bytes |
| Decoded: | Yes |
Complete Payload Data (JSON):
{
"latitude": 44.1647104,
"longitude": -79.855616,
"altitude": 204,
"sats_in_view": 6,
"precision_bits": 15
}
Complete Protobuf Decode (JSON)
{
"service_envelope": {
"gateway_id": "!435b1080",
"channel_id": "MediumFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 1130041472,
"to": 4294967295,
"id": 2762320917,
"rx_time": 1774606376,
"rx_snr": 0.0,
"rx_rssi": 0,
"hop_limit": 3,
"hop_start": 3,
"via_mqtt": false,
"want_ack": false,
"priority": 10,
"delayed": 0,
"channel_index": null,
"pki_encrypted": false,
"next_hop": 0,
"relay_node": 128,
"tx_after": 0,
"decoded": {
"portnum": 3,
"payload": "0d0000531a15000067d018cc01252858c669280258bd027800800198a9960f980106b8010f",
"want_response": null,
"dest": null,
"source": null,
"request_id": null,
"reply_id": null,
"emoji": null,
"parsed_payload": {
"latitude_i": 441647104,
"longitude_i": -798556160,
"altitude": 204,
"time": 1774606376,
"location_source": "LOC_INTERNAL",
"PDOP": 317,
"ground_speed": 0,
"ground_track": 31823000,
"sats_in_view": 6,
"precision_bits": 15,
"type": "protobuf",
"portnum": "POSITION_APP",
"message_class": "Position"
}
}
}
}
Raw Packet Data (37 bytes)
0d0000531a15000067d018cc01252858c669280258bd027800800198a9960f980106b8010f
Hex Analysis:
| Size: | 37 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 |
|---|---|---|---|---|---|---|---|---|
| Alliston 1 (AMA1) Primary |
0.000s
Reference |
Unknown | Unknown | 0 |
80
AMA1
|
MediumFast | 2026-03-27 10:12:57 UTC | Current |
| Alliston 1 (AMA1) |
-0.219s
Before |
Unknown | Unknown | 0 |
80
AMA1
|
LongFast | 2026-03-27 10:12:56 UTC | View |
| Alliston 1 (AMA1) |
-0.187s
Before |
Unknown | Unknown | 0 |
80
AMA1
|
LongFast | 2026-03-27 10:12:56 UTC | View |
| Alliston 1 (AMA1) |
-0.175s
Before |
Unknown | Unknown | 0 |
80
AMA1
|
LongFast | 2026-03-27 10:12:56 UTC | View |
| Alliston 1 (AMA1) |
-0.158s
Before |
Unknown | Unknown | 0 |
80
AMA1
|
LongFast | 2026-03-27 10:12:56 UTC | View |
| Alliston 1 (AMA1) |
-0.140s
Before |
Unknown | Unknown | 0 |
80
AMA1
|
LongFast | 2026-03-27 10:12:56 UTC | View |
| Alliston 1 (AMA1) |
-0.123s
Before |
Unknown | Unknown | 0 |
80
AMA1
|
LongFast | 2026-03-27 10:12:56 UTC | View |
| Alliston 1 (AMA1) |
-0.112s
Before |
Unknown | Unknown | 0 |
80
AMA1
|
LongFast | 2026-03-27 10:12:56 UTC | View |
| Alliston 1 (AMA1) |
-0.101s
Before |
Unknown | Unknown | 0 |
80
AMA1
|
LongFast | 2026-03-27 10:12:56 UTC | View |
| Alliston 1 (AMA1) |
-0.091s
Before |
Unknown | Unknown | 0 |
80
AMA1
|
LongFast | 2026-03-27 10:12:56 UTC | View |
| Alliston 1 (AMA1) |
-0.080s
Before |
Unknown | Unknown | 0 |
80
AMA1
|
LongFast | 2026-03-27 10:12:56 UTC | View |
| Alliston 1 (AMA1) |
-0.069s
Before |
Unknown | Unknown | 0 |
80
AMA1
|
LongFast | 2026-03-27 10:12:56 UTC | View |
| Alliston 1 (AMA1) |
-0.058s
Before |
Unknown | Unknown | 0 |
80
AMA1
|
MediumFast | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
-0.047s
Before |
Unknown | Unknown | 0 |
80
AMA1
|
MediumFast | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
-0.037s
Before |
Unknown | Unknown | 0 |
80
AMA1
|
MediumFast | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
-0.024s
Before |
Unknown | Unknown | 0 |
80
AMA1
|
MediumFast | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
-0.012s
Before |
Unknown | Unknown | 0 |
80
AMA1
|
MediumFast | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
+0.012s
After |
Unknown | Unknown | 0 |
80
AMA1
|
MediumFast | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
+0.024s
After |
Unknown | Unknown | 0 |
80
AMA1
|
MediumFast | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
+0.036s
After |
Unknown | Unknown | 0 |
80
AMA1
|
MediumFast | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
+0.048s
After |
Unknown | Unknown | 0 |
80
AMA1
|
MediumFast | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
+0.060s
After |
Unknown | Unknown | 0 |
80
AMA1
|
MediumFast | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
+0.071s
After |
Unknown | Unknown | 0 |
80
AMA1
|
ShortFast | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
+0.082s
After |
Unknown | Unknown | 0 |
80
AMA1
|
ShortFast | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
+0.099s
After |
Unknown | Unknown | 0 |
80
AMA1
|
ShortFast | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
+0.110s
After |
Unknown | Unknown | 0 |
80
AMA1
|
ShortFast | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
+0.120s
After |
Unknown | Unknown | 0 |
80
AMA1
|
ShortFast | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
+0.131s
After |
Unknown | Unknown | 0 |
80
AMA1
|
ShortFast | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
+0.142s
After |
Unknown | Unknown | 0 |
80
AMA1
|
ShortFast | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
+0.153s
After |
Unknown | Unknown | 0 |
80
AMA1
|
ShortFast | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
+0.165s
After |
Unknown | Unknown | 0 |
80
AMA1
|
ShortFast | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
+0.177s
After |
Unknown | Unknown | 0 |
80
AMA1
|
ShortFast | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
+0.189s
After |
Unknown | Unknown | 0 |
80
AMA1
|
ShortFast | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
+0.202s
After |
Unknown | Unknown | 0 |
80
AMA1
|
ShortTurbo | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
+0.214s
After |
Unknown | Unknown | 0 |
80
AMA1
|
ShortTurbo | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
+0.226s
After |
Unknown | Unknown | 0 |
80
AMA1
|
ShortTurbo | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
+0.237s
After |
Unknown | Unknown | 0 |
80
AMA1
|
ShortTurbo | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
+0.249s
After |
Unknown | Unknown | 0 |
80
AMA1
|
ShortTurbo | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
+0.261s
After |
Unknown | Unknown | 0 |
80
AMA1
|
ShortTurbo | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
+0.272s
After |
Unknown | Unknown | 0 |
80
AMA1
|
ShortTurbo | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
+0.283s
After |
Unknown | Unknown | 0 |
80
AMA1
|
ShortTurbo | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
+0.294s
After |
Unknown | Unknown | 0 |
80
AMA1
|
ShortTurbo | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
+0.304s
After |
Unknown | Unknown | 0 |
80
AMA1
|
ShortTurbo | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
+0.315s
After |
Unknown | Unknown | 0 |
80
AMA1
|
ShortTurbo | 2026-03-27 10:12:57 UTC | View |
| Alliston 1 (AMA1) |
+0.326s
After |
Unknown | Unknown | 0 |
80
AMA1
|
LongFast | 2026-03-27 10:12:57 UTC | View |
45
Total Receptions
1
Unique Gateways