Packet #2351170 Success

POSITION_APP packet from HGL0 - PD0ZZ - Hengelo Ov (HGL0) to !ffffffff

28
Total Receptions
14
Unique Gateways
2
Hop Count
20
Payload Bytes
Packet Information
Database ID: 2351170
Mesh Packet ID: 0xed41b4a3
Used for correlation across gateways
Timestamp: 2025-08-14 03:24:10 UTC
From Node: HGL0 - PD0ZZ - Hengelo Ov (HGL0)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Terwinselen | Kerkrade | Netherlands (TKNB)
Channel: OpenChat
RSSI: -121 dBm
SNR: -2.0 dBm
Hop Info: 2/7 hops
Start: 7, Limit: 5
Payload Data
Protocol: POSITION_APP
Size: 20 bytes
Decoded: Yes
Decoded Data:
Latitude:52.264913°
Longitude:6.828384°
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:20 bytes
Gateway:!da9d6938
Channel:OpenChat
Payload Type:POSITION_APP
Hop Count:2 / 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 (20 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2733363716
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 20 bytes size
hop_limit 5
Remaining hops allowed 		uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 2
Calculated: hop_start - hop_limit 		derived
rx_rssi -121.0 dBm
Signal strength at gateway 		int32
rx_snr -2.00 dB
Signal quality at gateway 		float
rx_time 1755134649
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 1755134650.539786
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 (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !da9d6938
Position Precision: 32 bits (~1.0m accuracy)
Position precision meters: 1.0
Signal Metrics: RSSI: -121.0 dBm
SNR: -2.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:20 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 52.264913, "longitude": 6.828384, "altitude": null, "sats_in_view": null, "precision_bits": 32 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!da9d6938", "channel_id": "OpenChat", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2733363716, "to": 4294967295, "id": 3980506275, "rx_time": 1755134649, "rx_snr": -2.0, "rx_rssi": -121, "hop_limit": 5, "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": "0d2afe261f15c0ed110425ac3a9d682801b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 522649130, "longitude_i": 68283840, "time": 1755134636, "location_source": "LOC_MANUAL", "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (20 bytes)
0d2afe261f15c0ed110425ac3a9d682801b80120
Hex Analysis:
Size:20 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 -2.00 dB 2 OpenChat 2025-08-14 03:24:10 Current
HGL0 - PD0ZZ - Hengelo Ov (HGL0) -12.769s
Before 		Unknown Unknown 0 LongFast 2025-08-14 03:23:57 View
HGL0 - PD0ZZ - Hengelo Ov (HGL0) -12.636s
Before 		Unknown Unknown 0 LongFast 2025-08-14 03:23:57 View
HGL0 - PD0ZZ - Hengelo Ov (HGL0) -12.629s
Before 		Unknown Unknown 0 LongFast 2025-08-14 03:23:57 View
HGL0 - PD0ZZ - Hengelo Ov (HGL0) -12.622s
Before 		Unknown Unknown 0 LongFast 2025-08-14 03:23:57 View
Renze 2 EORA-S3 (RN2) -11.558s
Before 		-121.0 dBm -11.25 dB 0 LongFast 2025-08-14 03:23:58 View
Renze 2 EORA-S3 (RN2) -11.536s
Before 		-121.0 dBm -11.25 dB 0 LongFast 2025-08-14 03:23:59 View
Renze 2 EORA-S3 (RN2) -11.530s
Before 		-121.0 dBm -11.25 dB 0 LongFast 2025-08-14 03:23:59 View
Renze 2 EORA-S3 (RN2) -11.520s
Before 		-121.0 dBm -11.25 dB 0 LongFast 2025-08-14 03:23:59 View
Meshtastic 7304 (7304) -11.240s
Before 		-108.0 dBm -5.25 dB 0 LongFast 2025-08-14 03:23:59 View
ENS_EAUROUGE_NL 🏠 🌐 (ENSB) -11.142s
Before 		-129.0 dBm -7.25 dB 0 LongFast 2025-08-14 03:23:59 View
ENS_EAUROUGE_NL 🏠 🌐 (ENSB) -11.135s
Before 		-129.0 dBm -7.25 dB 0 LongFast 2025-08-14 03:23:59 View
ENS_EAUROUGE_NL 🏠 🌐 (ENSB) -11.128s
Before 		-129.0 dBm -7.25 dB 0 LongFast 2025-08-14 03:23:59 View
ENS_EAUROUGE_NL 🏠 🌐 (ENSB) -11.117s
Before 		-129.0 dBm -7.25 dB 0 LongFast 2025-08-14 03:23:59 View
Tuindorp Enschede Gateway 🌐🔌 (TDRG) -9.355s
Before 		-116.0 dBm -6.50 dB 1 LongFast 2025-08-14 03:24:01 View
Tuindorp Enschede Gateway 🌐🔌 (TDRG) -9.351s
Before 		-116.0 dBm -6.50 dB 1 LongFast 2025-08-14 03:24:01 View
Tuindorp Enschede Gateway 🌐🔌 (TDRG) -9.345s
Before 		-116.0 dBm -6.50 dB 1 LongFast 2025-08-14 03:24:01 View
Tuindorp Enschede Gateway 🌐🔌 (TDRG) -9.342s
Before 		-116.0 dBm -6.50 dB 1 LongFast 2025-08-14 03:24:01 View
Tolkamer 93b4 (Erdw) -6.919s
Before 		-122.0 dBm -13.75 dB 2 LongFast 2025-08-14 03:24:03 View
Meshtastic bb5c (bb5c) -6.787s
Before 		-125.0 dBm -13.75 dB 2 LongFast 2025-08-14 03:24:03 View
Grunty (4920) -6.780s
Before 		-128.0 dBm -19.25 dB 2 LongFast 2025-08-14 03:24:03 View
MT Node Pey (PEY) +2.338s
After 		-118.0 dBm -12.50 dB 3 LongFast 2025-08-14 03:24:12 View
Jan_868_02 (Jn_2) +5.272s
After 		-93.0 dBm -4.25 dB 4 LongFast 2025-08-14 03:24:15 View
Terwinselen | Kerkrade | Netherlands (TKNB) +990.373s
After 		-122.0 dBm -3.75 dB 5 OpenChat 2025-08-14 03:40:40 View
Kiep (KIEP) +5749.513s
After 		-128.0 dBm -18.75 dB 0 LongFast 2025-08-14 05:00:00 View
No13 Oirschot (OIR1) +5749.769s
After 		-121.0 dBm -12.50 dB 7 LongFast 2025-08-14 05:00:00 View
PA3JH 🗼 (2.7.3) (3JH2) +5749.902s
After 		-105.0 dBm -5.50 dB 7 LongFast 2025-08-14 05:00:00 View
No13 Oirschot (OIR1) +7050.880s
After 		-122.0 dBm -12.75 dB 7 LongFast 2025-08-14 05:21:41 View
28

Total Receptions

14

Unique Gateways