Packet #2363720 Success

POSITION_APP packet from !91a1ee9c to !ffffffff

26
Total Receptions
25
Unique Gateways
3
Hop Count
27
Payload Bytes
Packet Information
Database ID: 2363720
Mesh Packet ID: 0x1c98a0fd
Used for correlation across gateways
Timestamp: 2025-08-14 05:16:14 UTC
From Node: !91a1ee9c (ee9c)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Terwinselen | Kerkrade | Netherlands (TKNB)
Channel: OpenChat
RSSI: -121 dBm
SNR: -3.0 dBm
Hop Info: 3/7 hops
Start: 7, Limit: 4
Payload Data
Protocol: POSITION_APP
Size: 27 bytes
Decoded: Yes
Decoded Data:
Latitude:51.508019°
Longitude:7.172915°
Altitude:59 m
Precision:16 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:!da9d6938
Channel:OpenChat
Payload Type:POSITION_APP
Hop Count:3 / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: OpenChat
+ 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 !da9d6938
Node ID format
channel_id OpenChat
packet MeshPacket (27 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2443308700
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 4
Remaining hops allowed 		uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -121.0 dBm
Signal strength at gateway 		int32
rx_snr -3.00 dB
Signal quality at gateway 		float
rx_time 1755141373
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 Not set uint32
tx_after Not set uint32
timestamp 1755141374.7889676
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: OpenChat
  • ✓ 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 (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !da9d6938
Position Precision: 16 bits (~364.0m accuracy)
Position precision meters: 364.0
Signal Metrics: RSSI: -121.0 dBm
SNR: -3.00 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": 51.5080192, "longitude": 7.1729152, "altitude": 59, "sats_in_view": null, "precision_bits": 16 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!da9d6938", "channel_id": "OpenChat", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2443308700, "to": 4294967295, "id": 479764733, "rx_time": 1755141373, "rx_snr": -3.0, "rx_rssi": -121, "hop_limit": 4, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0080b31e1500804604183b25e5549d6828017800800100b80110", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 515080192, "longitude_i": 71729152, "altitude": 59, "time": 1755141349, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 16, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (27 bytes)
0d0080b31e1500804604183b25e5549d6828017800800100b80110
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

Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Channel Timestamp Actions
Terwinselen | Kerkrade | Netherlands (TKNB) Primary 0.000s
Reference 		-121.0 dBm -3.00 dB 3 OpenChat 2025-08-14 05:16:14 Current
Afrithon (afrt) -12.455s
Before 		-116.0 dBm -17.75 dB 3 LongFast 2025-08-14 05:16:02 View
Meshbase (Mshb) -10.818s
Before 		-128.0 dBm -19.00 dB 4 LongFast 2025-08-14 05:16:03 View
HolRad (HlRd) -9.495s
Before 		-121.0 dBm -11.25 dB 5 LongFast 2025-08-14 05:16:05 View
Leimuiden - Bas (LMDN) -9.319s
Before 		-128.0 dBm -16.75 dB 5 LongFast 2025-08-14 05:16:05 View
Ams Zuidas Base (AZ4) -8.959s
Before 		-109.0 dBm -9.75 dB 5 LongFast 2025-08-14 05:16:05 View
Petra76c4 (76c4) -8.655s
Before 		-92.0 dBm 6.25 dB 5 LongFast 2025-08-14 05:16:06 View
Hatate (GSK0) -8.020s
Before 		-116.0 dBm -19.50 dB 6 LongFast 2025-08-14 05:16:06 View
Sciuro Home (🏠) -7.192s
Before 		-110.0 dBm -0.25 dB 7 LongFast 2025-08-14 05:16:07 View
Tolkamer 93b4 (Erdw) -7.059s
Before 		-9.0 dBm 6.00 dB 6 LongFast 2025-08-14 05:16:07 View
dJoris 📡🏠🌐 StaRF (j8bc) -6.105s
Before 		-106.0 dBm 0.75 dB 7 LongFast 2025-08-14 05:16:08 View
Meshtastic cc28 (cc28) -5.972s
Before 		-118.0 dBm -13.00 dB 7 LongFast 2025-08-14 05:16:08 View
Meshtastic 4e50 (4e50) -5.840s
Before 		-127.0 dBm -17.50 dB 7 LongFast 2025-08-14 05:16:08 View
PD0WES-Louis-3543 (PL43) -5.706s
Before 		-91.0 dBm 0.25 dB 7 LongFast 2025-08-14 05:16:09 View
Maasdijk Giessen Base Station (MGBS) -5.693s
Before 		-142.0 dBm -18.75 dB 7 LongFast 2025-08-14 05:16:09 View
NL-3545-Knalliebar (KNB0) -4.173s
Before 		-116.0 dBm -3.75 dB 7 LongFast 2025-08-14 05:16:10 View
Cornerstone (Amsterdam NL) (Crnr) -1.869s
Before 		-85.0 dBm 4.50 dB 7 LongFast 2025-08-14 05:16:12 View
ALM-BC-Satisfaction (Ally) +22.921s
After 		-113.0 dBm -14.25 dB 6 LongFast 2025-08-14 05:16:37 View
Meshtastic 9e2c (9e2c) +24.387s
After 		-128.0 dBm -19.00 dB 6 LongFast 2025-08-14 05:16:39 View
Destiny Long 🏠🔌🌐🛰️ (Long) +24.742s
After 		-135.0 dBm -10.25 dB 6 LongFast 2025-08-14 05:16:39 View
Wateringweg, Haarlem (WaHa) +35.605s
After 		-122.0 dBm -17.75 dB 5 LongFast 2025-08-14 05:16:50 View
PA3JH 🗼 (2.7.3) (3JH2) +37.112s
After 		-103.0 dBm -6.25 dB 6 LongFast 2025-08-14 05:16:51 View
No13 Oirschot (OIR1) +37.245s
After 		-121.0 dBm -11.25 dB 6 LongFast 2025-08-14 05:16:52 View
MeshNet.NL (GS0D) +38.437s
After 		-124.0 dBm -13.25 dB 7 LongFast 2025-08-14 05:16:53 View
MeshNet.NL (GS0D) +38.453s
After 		-124.0 dBm -13.25 dB 7 LongFast 2025-08-14 05:16:53 View
MT Node Pey (PEY) +44.784s
After 		-106.0 dBm -15.75 dB 7 LongFast 2025-08-14 05:16:59 View
26

Total Receptions

25

Unique Gateways