Packet #39540779 Success

POSITION_APP packet from !da5c8828 to !ffffffff

45
Total Receptions
1
Unique Gateways
5
Hop Count
27
Payload Bytes
Packet Information
Database ID: 39540779
Mesh Packet ID: 0x3374ad04
Used for correlation across gateways
Timestamp: 2026-05-16 10:48:05 UTC
From Node: !da5c8828 (8828)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Sunset Beach 2 (SSB2)
Channel: LongFast
RSSI: -118 dBm
SNR: -11.5 dBm
Hop Info: 5/5 hops
Start: 5, Limit: 0
Relay Node: 94 NALF
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: 27 bytes
Decoded: Yes
Decoded Data:
Latitude:48.435046°
Longitude:-123.329173°
Altitude:30 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:27 bytes
Gateway:!a0cc7100
Channel:LongFast
Payload Type:POSITION_APP
Hop Count:5 / 5
Privacy Summary
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
+ 4 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !a0cc7100
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (27 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3663497256
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 27 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 -118.0 dBm
Signal strength at gateway
int32
rx_snr -11.50 dB
Signal quality at gateway
float
rx_time 1778928484
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 148
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778928485.9898071
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
  • ⚠ Full GPS precision shared
  • ⚠ Multi-hop path visible (5 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !a0cc7100
Position Precision: 32 bits (~1.0m accuracy)
Position precision meters: 1.0
Signal Metrics: RSSI: -118.0 dBm
SNR: -11.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:27 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 48.435046, "longitude": -123.329173, "altitude": 30, "sats_in_view": null, "precision_bits": 32 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a0cc7100", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3663497256, "to": 4294967295, "id": 863284484, "rx_time": 1778928484, "rx_snr": -11.5, "rx_rssi": -118, "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": 148, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0dfc99de1c152e767db6181e250c4b086a28017800800100b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 484350460, "longitude_i": -1233291730, "altitude": 30, "time": 1778928396, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (27 bytes)
0dfc99de1c152e767db6181e250c4b086a28017800800100b80120
Hex Analysis:
Size:27 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
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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
Sunset Beach 2 (SSB2) Primary 0.000s
Reference
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:05 UTC Current
Sunset Beach 2 (SSB2) -0.105s
Before
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:05 UTC View
Sunset Beach 2 (SSB2) -0.071s
Before
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:05 UTC View
Sunset Beach 2 (SSB2) -0.059s
Before
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:05 UTC View
Sunset Beach 2 (SSB2) -0.048s
Before
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:05 UTC View
Sunset Beach 2 (SSB2) -0.036s
Before
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:05 UTC View
Sunset Beach 2 (SSB2) -0.024s
Before
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:05 UTC View
Sunset Beach 2 (SSB2) -0.012s
Before
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:05 UTC View
Sunset Beach 2 (SSB2) +0.012s
After
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.023s
After
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.034s
After
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.044s
After
-118.0 dBm -11.50 dB 5 94 NALF MediumFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.055s
After
-118.0 dBm -11.50 dB 5 94 NALF MediumFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.065s
After
-118.0 dBm -11.50 dB 5 94 NALF MediumFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.076s
After
-118.0 dBm -11.50 dB 5 94 NALF MediumFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.087s
After
-118.0 dBm -11.50 dB 5 94 NALF MediumFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.098s
After
-118.0 dBm -11.50 dB 5 94 NALF MediumFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.110s
After
-118.0 dBm -11.50 dB 5 94 NALF MediumFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.122s
After
-118.0 dBm -11.50 dB 5 94 NALF MediumFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.135s
After
-118.0 dBm -11.50 dB 5 94 NALF MediumFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.147s
After
-118.0 dBm -11.50 dB 5 94 NALF MediumFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.159s
After
-118.0 dBm -11.50 dB 5 94 NALF MediumFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.171s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.183s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.195s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.206s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.217s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.228s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.239s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.251s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.262s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.272s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.283s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.295s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.307s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.320s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.332s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.344s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.356s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.368s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.380s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.391s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.402s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.413s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.424s
After
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:06 UTC View
45

Total Receptions

1

Unique Gateways