Packet #39490079 Success

POSITION_APP packet from eLoRaMesh Base (ELR2) to !ffffffff

48
Total Receptions
4
Unique Gateways
1
Hop Count
23
Payload Bytes
Packet Information
Database ID: 39490079
Mesh Packet ID: 0x451bc75d
Used for correlation across gateways
Timestamp: 2026-05-16 07:51:01 UTC
From Node: eLoRaMesh Base (ELR2)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Seri Base d120 (SRB)
Channel: ShortTurbo
RSSI: -30 dBm
SNR: 6.25 dBm
Hop Info: 1/3 hops
Start: 3, Limit: 2
Relay Node: 64 SRS
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: 23 bytes
Decoded: Yes
Decoded Data:
Latitude:43.689306°
Longitude:-80.439402°
Altitude:412 m
Precision:32 bits
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) → MeshPacket (Mesh layer) → Decoded Payload (Application data)
Total Size:23 bytes
Gateway:!16ced120
Channel:ShortTurbo
Payload Type:POSITION_APP
Hop Count:1 / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortTurbo
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 3 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !16ced120
Node ID format
channel_id ShortTurbo
packet MeshPacket (23 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 861939080
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 23 bytes size
hop_limit 2
Remaining hops allowed
uint32
hop_start 3
Initial hop limit
uint32
hops_taken 1
Calculated: hop_start - hop_limit
derived
rx_rssi -30.0 dBm
Signal strength at gateway
int32
rx_snr 6.25 dB
Signal quality at gateway
float
rx_time 1778917860
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 100
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778917861.255621
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: ShortTurbo
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Full GPS precision shared
  • ⚠ Multi-hop path visible (1 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !16ced120
Position Precision: 32 bits (~1.0m accuracy)
Position precision meters: 1.0
Signal Metrics: RSSI: -30.0 dBm
SNR: 6.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:23 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 43.689306, "longitude": -80.439402, "altitude": 412, "sats_in_view": null, "precision_bits": 32 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!16ced120", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 861939080, "to": 4294967295, "id": 1159448413, "rx_time": 1778917860, "rx_snr": 6.25, "rx_rssi": -30, "hop_limit": 2, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 100, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d84750a1a15dceb0dd0189c0328017800800100b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 436893060, "longitude_i": -804394020, "altitude": 412, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (23 bytes)
0d84750a1a15dceb0dd0189c0328017800800100b80120
Hex Analysis:
Size:23 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 packet
Correlation: 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
Seri Base d120 (SRB) Primary 0.000s
Reference
-30.0 dBm 6.25 dB 1 64 SRS ShortTurbo 2026-05-16 07:51:01 UTC Current
Seri Base d120 (SRB) -0.473s
Before
-30.0 dBm 6.25 dB 1 64 SRS LongFast 2026-05-16 07:51:00 UTC View
Seri Base d120 (SRB) -0.450s
Before
-30.0 dBm 6.25 dB 1 64 SRS LongFast 2026-05-16 07:51:00 UTC View
Seri Base d120 (SRB) -0.439s
Before
-30.0 dBm 6.25 dB 1 64 SRS LongFast 2026-05-16 07:51:00 UTC View
Seri Base d120 (SRB) -0.427s
Before
-30.0 dBm 6.25 dB 1 64 SRS LongFast 2026-05-16 07:51:00 UTC View
Seri Base d120 (SRB) -0.396s
Before
-30.0 dBm 6.25 dB 1 64 SRS LongFast 2026-05-16 07:51:00 UTC View
Seri Base d120 (SRB) -0.385s
Before
-30.0 dBm 6.25 dB 1 64 SRS LongFast 2026-05-16 07:51:00 UTC View
Seri Base d120 (SRB) -0.372s
Before
-30.0 dBm 6.25 dB 1 64 SRS LongFast 2026-05-16 07:51:00 UTC View
Seri Base d120 (SRB) -0.361s
Before
-30.0 dBm 6.25 dB 1 64 SRS LongFast 2026-05-16 07:51:00 UTC View
Seri Base d120 (SRB) -0.350s
Before
-30.0 dBm 6.25 dB 1 64 SRS LongFast 2026-05-16 07:51:00 UTC View
Seri Base d120 (SRB) -0.334s
Before
-30.0 dBm 6.25 dB 1 64 SRS LongFast 2026-05-16 07:51:00 UTC View
Seri Base d120 (SRB) -0.323s
Before
-30.0 dBm 6.25 dB 1 64 SRS LongFast 2026-05-16 07:51:00 UTC View
Seri Base d120 (SRB) -0.312s
Before
-30.0 dBm 6.25 dB 1 64 SRS MediumFast 2026-05-16 07:51:00 UTC View
Eco-Monkey LLP (mnky) -0.302s
Before
-96.0 dBm -13.50 dB 1 64 SRS LongFast 2026-05-16 07:51:00 UTC View
Seri Base d120 (SRB) -0.291s
Before
-30.0 dBm 6.25 dB 1 64 SRS MediumFast 2026-05-16 07:51:00 UTC View
Seri Base d120 (SRB) -0.281s
Before
-30.0 dBm 6.25 dB 1 64 SRS MediumFast 2026-05-16 07:51:00 UTC View
Seri Base d120 (SRB) -0.270s
Before
-30.0 dBm 6.25 dB 1 64 SRS MediumFast 2026-05-16 07:51:00 UTC View
Seri Base d120 (SRB) -0.253s
Before
-30.0 dBm 6.25 dB 1 64 SRS MediumFast 2026-05-16 07:51:01 UTC View
Seri Base d120 (SRB) -0.243s
Before
-30.0 dBm 6.25 dB 1 64 SRS MediumFast 2026-05-16 07:51:01 UTC View
Seri Base d120 (SRB) -0.232s
Before
-30.0 dBm 6.25 dB 1 64 SRS MediumFast 2026-05-16 07:51:01 UTC View
Seri Base d120 (SRB) -0.220s
Before
-30.0 dBm 6.25 dB 1 64 SRS MediumFast 2026-05-16 07:51:01 UTC View
Seri Base d120 (SRB) -0.201s
Before
-30.0 dBm 6.25 dB 1 64 SRS MediumFast 2026-05-16 07:51:01 UTC View
Seri Base d120 (SRB) -0.189s
Before
-30.0 dBm 6.25 dB 1 64 SRS MediumFast 2026-05-16 07:51:01 UTC View
Seri Base d120 (SRB) -0.165s
Before
-30.0 dBm 6.25 dB 1 64 SRS MediumFast 2026-05-16 07:51:01 UTC View
Seri Base d120 (SRB) -0.153s
Before
-30.0 dBm 6.25 dB 1 64 SRS ShortFast 2026-05-16 07:51:01 UTC View
Seri Base d120 (SRB) -0.141s
Before
-30.0 dBm 6.25 dB 1 64 SRS ShortFast 2026-05-16 07:51:01 UTC View
Seri Base d120 (SRB) -0.130s
Before
-30.0 dBm 6.25 dB 1 64 SRS ShortFast 2026-05-16 07:51:01 UTC View
Seri Base d120 (SRB) -0.118s
Before
-30.0 dBm 6.25 dB 1 64 SRS ShortFast 2026-05-16 07:51:01 UTC View
Seri Base d120 (SRB) -0.091s
Before
-30.0 dBm 6.25 dB 1 64 SRS ShortFast 2026-05-16 07:51:01 UTC View
Seri Base d120 (SRB) -0.081s
Before
-30.0 dBm 6.25 dB 1 64 SRS ShortFast 2026-05-16 07:51:01 UTC View
Seri Base d120 (SRB) -0.070s
Before
-30.0 dBm 6.25 dB 1 64 SRS ShortFast 2026-05-16 07:51:01 UTC View
Seri Base d120 (SRB) -0.059s
Before
-30.0 dBm 6.25 dB 1 64 SRS ShortFast 2026-05-16 07:51:01 UTC View
Seri Base d120 (SRB) -0.043s
Before
-30.0 dBm 6.25 dB 1 64 SRS ShortFast 2026-05-16 07:51:01 UTC View
Seri Base d120 (SRB) -0.033s
Before
-30.0 dBm 6.25 dB 1 64 SRS ShortFast 2026-05-16 07:51:01 UTC View
Seri Base d120 (SRB) -0.023s
Before
-30.0 dBm 6.25 dB 1 64 SRS ShortFast 2026-05-16 07:51:01 UTC View
Seri Base d120 (SRB) -0.012s
Before
-30.0 dBm 6.25 dB 1 64 SRS ShortTurbo 2026-05-16 07:51:01 UTC View
Seri Base d120 (SRB) +0.012s
After
-30.0 dBm 6.25 dB 1 64 SRS ShortTurbo 2026-05-16 07:51:01 UTC View
Seri Base d120 (SRB) +0.024s
After
-30.0 dBm 6.25 dB 1 64 SRS ShortTurbo 2026-05-16 07:51:01 UTC View
Seri Base d120 (SRB) +0.036s
After
-30.0 dBm 6.25 dB 1 64 SRS ShortTurbo 2026-05-16 07:51:01 UTC View
Seri Base d120 (SRB) +0.048s
After
-30.0 dBm 6.25 dB 1 64 SRS ShortTurbo 2026-05-16 07:51:01 UTC View
Seri Base d120 (SRB) +0.060s
After
-30.0 dBm 6.25 dB 1 64 SRS ShortTurbo 2026-05-16 07:51:01 UTC View
Seri Base d120 (SRB) +0.071s
After
-30.0 dBm 6.25 dB 1 64 SRS ShortTurbo 2026-05-16 07:51:01 UTC View
Seri Base d120 (SRB) +0.085s
After
-30.0 dBm 6.25 dB 1 64 SRS ShortTurbo 2026-05-16 07:51:01 UTC View
Seri Base d120 (SRB) +0.096s
After
-30.0 dBm 6.25 dB 1 64 SRS ShortTurbo 2026-05-16 07:51:01 UTC View
Seri Base d120 (SRB) +0.106s
After
-30.0 dBm 6.25 dB 1 64 SRS ShortTurbo 2026-05-16 07:51:01 UTC View
Seri Base d120 (SRB) +0.117s
After
-30.0 dBm 6.25 dB 1 64 SRS LongFast 2026-05-16 07:51:01 UTC View
neoSG2 https://canadaverse.org/ (🎐) +14.680s
After
-95.0 dBm -2.50 dB 3 5b LongFast 2026-05-16 07:51:15 UTC View
Meshtastic 7c50 (7c50) +14.973s
After
-118.0 dBm -12.50 dB 3 5b LongFast 2026-05-16 07:51:16 UTC View
48

Total Receptions

4

Unique Gateways