Packet #2501660 Success

POSITION_APP packet from Tracker 0d90 (0d90) to !ffffffff

13
Total Receptions
13
Unique Gateways
3
Hop Count
32
Payload Bytes
Packet Information
Database ID: 2501660
Mesh Packet ID: 0x0cc95045
Used for correlation across gateways
Timestamp: 2026-09-25 00:44:29 UTC
From Node: Tracker 0d90 (0d90)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: TabH3-8 (8e80)
Channel: LongFast
RSSI: -102 dBm
SNR: -0.75 dBm
Hop Info: 3/5 hops
Start: 5, Limit: 2
Relay Node: 6e NSR1
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: 32 bytes
Decoded: Yes
Decoded Data:
Latitude:38.542872°
Longitude:-8.997678°
Altitude:77 m
Satellites:18
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:32 bytes
Gateway:!b03c8e80
Channel:LongFast
Payload Type:POSITION_APP
Hop Count:3 / 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

FieldValue
gateway_id !b03c8e80
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (32 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

FieldValueType
from 3359444368
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum POSITION_APP
POSITION_APP 		enum
decoded.payload_length 32 bytes size
hop_limit 2
Remaining hops allowed 		uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -102.0 dBm
Signal strength at gateway 		int32
rx_snr -0.75 dB
Signal quality at gateway 		float
rx_time 1777333610
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 8
Channel index 		uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 110
Relay node ID 		uint32
tx_after Not set uint32
timestamp Not set 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 (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !b03c8e80
Position Precision: 32 bits (~1.0m accuracy)
Position precision meters: 1.0
Signal Metrics: RSSI: -102.0 dBm
SNR: -0.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:32 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 38.5428716, "longitude": -8.9976783, "altitude": 77, "sats_in_view": 18, "precision_bits": 32 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "packet": { "from": 3359444368, "to": 4294967295, "channel": 8, "decoded": { "portnum": "POSITION_APP", "payload": "Dews+RYVMRCj+hhNJauQtGooAlhbeACAAQCYARK4ASA=", "bitfield": 1 }, "id": 214519877, "rx_time": 1777333610, "rx_snr": -0.75, "hop_limit": 2, "rx_rssi": -102, "hop_start": 5, "relay_node": 110, "transport_mechanism": "TRANSPORT_LORA" }, "channel_id": "LongFast", "gateway_id": "!b03c8e80" }, "mesh_packet": { "from": 3359444368, "to": 4294967295, "channel": 8, "decoded": { "portnum": "POSITION_APP", "payload": "Dews+RYVMRCj+hhNJauQtGooAlhbeACAAQCYARK4ASA=", "bitfield": 1, "parsed_payload": { "latitude_i": 385428716, "longitude_i": -89976783, "altitude": 77, "time": 1790218411, "location_source": "LOC_INTERNAL", "PDOP": 91, "ground_speed": 0, "ground_track": 0, "sats_in_view": 18, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } }, "id": 214519877, "rx_time": 1777333610, "rx_snr": -0.75, "hop_limit": 2, "rx_rssi": -102, "hop_start": 5, "relay_node": 110, "transport_mechanism": "TRANSPORT_LORA" } }
Raw Packet Data (32 bytes)
0dec2cf916153110a3fa184d25ab90b46a2802585b7800800100980112b80120
Hex Analysis:
Size:32 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 Relay Channel Timestamp Actions
TabH3-8 (8e80) Primary 0.000s
Reference 		-102.0 dBm -0.75 dB 3 6e NSR1 LongFast 2026-09-25 00:44:29 UTC Current
3 hops Gateways that received this packet after 3 hops
TQB01-8 (TQB1) -78585.867s
Before 		-55.0 dBm 6.25 dB 3 44 TQB8 LongFast 2026-09-24 02:54:43 UTC View
B0SS-8 (C) 🇵🇹 (CF60) +267663.758s
After 		-22.0 dBm 5.50 dB 3 e2 1c55 LongFast 2026-09-28 03:05:33 UTC View
Alzira-8 (ALZ8) -29063.931s
Before 		-101.0 dBm -7.00 dB 3 d2 BRR1 LongFast 2026-09-24 16:40:05 UTC View
4 hops Gateways that received this packet after 4 hops
CasaAmarelaForteDaCasa-GW-8 (CAFC) -70736.667s
Before 		-113.0 dBm -16.75 dB 4 80 8e80 LongFast 2026-09-24 05:05:33 UTC View
☣️JHR#3-CL-8 (JHR3) +39405.325s
After 		-99.0 dBm 6.00 dB 4 0e RC03 LongFast 2026-09-25 11:41:15 UTC View
Crato-GW-8 (TSC3) +525978.129s
After 		-128.0 dBm -18.50 dB 4 56 LongFast 2026-10-01 02:50:47 UTC View
A48-FX Sintra (A48) -4621.262s
Before 		-101.0 dBm 0.75 dB 4 44 OnE3 LongFast 2026-09-24 23:27:28 UTC View
STechHome 🇵🇹📡-GW-8 (STH) +353223.746s
After 		-117.0 dBm -6.75 dB 4 56 R002 LongFast 2026-09-29 02:51:33 UTC View
5 hops Gateways that received this packet after 5 hops
REPYZINHO-GW-8🇵🇹🇺🇦 (REPY) +180460.625s
After 		-115.0 dBm -2.25 dB 5 49 SMP1 LongFast 2026-09-27 02:52:10 UTC View
FR01-CL-8 🇵🇹💻 (FR01) -51987.614s
Before 		-120.0 dBm -18.25 dB 5 e0 LO01 LongFast 2026-09-24 10:18:02 UTC View
SJ_Beamer-CL-8 (SBC8) -32466.077s
Before 		-119.0 dBm 6.00 dB 5 10 9710 LongFast 2026-09-24 15:43:23 UTC View
FKAveiro-GW-8 (3424) -9661.246s
Before 		-128.0 dBm -17.50 dB 5 10 9710 LongFast 2026-09-24 22:03:28 UTC View
13

Total Receptions

13

Unique Gateways