Packet #3150845 Success

POSITION_APP packet from Ferrix Station One (CA5S) to FU-R-2 (FR2)

13
Total Receptions
11
Unique Gateways
3
Hop Count
22
Payload Bytes
Packet Information
Database ID: 3150845
Mesh Packet ID: 0xac877cb3
Used for correlation across gateways
Timestamp: 2025-12-05 14:11:04 UTC
From Node: Ferrix Station One (CA5S)
To Node: FU-R-2 (FR2)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Steiner Studios Tower (SST)
Channel: LongFast
RSSI: -110 dBm
SNR: -7.5 dBm
Hop Info: 3/3 hops
Start: 3, Limit: 0
Relay Node: 1e 351e
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: 22 bytes
Decoded: Yes
Decoded Data:
Latitude:40.710963°
Longitude:-73.950822°
Altitude:17 m
Precision:13 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:22 bytes
Gateway:!da5af04c
Channel:LongFast
Payload Type:POSITION_APP
Hop Count:3 / 3
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !da5af04c
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (22 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1602320770
Source node ID 		uint32
to 1439125792
Target node ID 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 22 bytes size
hop_limit Not set uint32
hop_start 3
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -110.0 dBm
Signal strength at gateway 		int32
rx_snr -7.50 dB
Signal quality at gateway 		float
rx_time 1764943991
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 30
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1764943864.473788
Unix timestamp 		uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Direct Message
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Targeted to specific node
  • ✓ Gateway node ID tracked
  • ✓ Reduced position precision: ~2900.0m accuracy
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !da5af04c
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
Signal Metrics: RSSI: -110.0 dBm
SNR: -7.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:22 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 40.7109632, "longitude": -73.9508224, "altitude": 17, "sats_in_view": null, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!da5af04c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1602320770, "to": 1439125792, "id": 2894560435, "rx_time": 1764943991, "rx_snr": -7.5, "rx_rssi": -110, "hop_limit": 0, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 30, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00004418150000ecd3181128017800800100b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 407109632, "longitude_i": -739508224, "altitude": 17, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (22 bytes)
0d00004418150000ecd3181128017800800100b8010d
Hex Analysis:
Size:22 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
Steiner Studios Tower (SST) Primary 0.000s
Reference 		-110.0 dBm -7.50 dB 3 1e 351e LongFast 2025-12-05 14:11:04 UTC Current
Steiner Studios Tower (SST) -818.688s
Before 		-111.0 dBm -7.25 dB 2 c9 Penn , JLX3 LongFast 2025-12-05 13:57:25 UTC View
DRP1 Chelsea (DRP1) -818.373s
Before 		-77.0 dBm 5.75 dB 2 c9 Penn , JLX3 LongFast 2025-12-05 13:57:26 UTC View
K2XAP / nyme.sh (XAP) -818.175s
Before 		-126.0 dBm -14.75 dB 2 c9 Penn , JLX3 LongFast 2025-12-05 13:57:26 UTC View
Psalm 23 (3:16) -817.910s
Before 		-112.0 dBm -1.25 dB 2 c9 Penn LongFast 2025-12-05 13:57:26 UTC View
YMH 1 @ Your Mom’s House (YMH1) -816.900s
Before 		-87.0 dBm 6.50 dB 2 5a 8b5a , SMRG LongFast 2025-12-05 13:57:27 UTC View
Sunset Soda (p8p) -816.424s
Before 		-111.0 dBm -0.75 dB 3 d4 🦮 LongFast 2025-12-05 13:57:28 UTC View
ClaremontWx.net (CmWx) -815.595s
Before 		-85.0 dBm 2.50 dB 3 81 Titi LongFast 2025-12-05 13:57:28 UTC View
Fried Fish FF1 (FF1) -815.544s
Before 		-98.0 dBm -10.50 dB 3 81 d081 , Titi LongFast 2025-12-05 13:57:28 UTC View
dkTowerBot (dkTB) -682.348s
Before 		-103.0 dBm -12.75 dB 3 2b P2NY , DCS1 LongFast 2025-12-05 13:59:42 UTC View
L05T_BuRR0uGH (LBYO) -665.583s
Before 		-136.0 dBm -15.50 dB 2 d5 ETNA LongFast 2025-12-05 13:59:58 UTC View
dkTowerBot (dkTB) +0.013s
After 		-106.0 dBm -15.25 dB 3 1e 351e LongFast 2025-12-05 14:11:04 UTC View
Meshtastic fda8 (fda8) +0.020s
After 		-79.0 dBm -14.25 dB 3 1e 351e LongFast 2025-12-05 14:11:04 UTC View
13

Total Receptions

11

Unique Gateways