Packet #2811890 Success

POSITION_APP packet from Meshtastic 5a11 (5a11) to !ffffffff

13
Total Receptions
13
Unique Gateways
3
Hop Count
27
Payload Bytes
Packet Information
Database ID: 2811890
Mesh Packet ID: 0x5b10d23a
Used for correlation across gateways
Timestamp: 2025-11-27 16:06:47 UTC
From Node: Meshtastic 5a11 (5a11)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: YMH 2 @ Your Mom’s House (YMH2)
Channel: LongFast
RSSI: -63 dBm
SNR: -0.75 dBm
Hop Info: 3/4 hops
Start: 4, Limit: 1
Relay Node: 90 NLG1
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:40.710963°
Longitude:-73.898394°
Altitude:37 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:27 bytes
Gateway:!b2a6fda8
Channel:LongFast
Payload Type:POSITION_APP
Hop Count:3 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 3 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !b2a6fda8
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 3289668113
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 1
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -63.0 dBm
Signal strength at gateway 		int32
rx_snr -0.75 dB
Signal quality at gateway 		float
rx_time 1764259715
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 144
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1764259607.5297847
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
  • ✓ Reduced position precision: ~2900.0m accuracy
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ 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: !b2a6fda8
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
Signal Metrics: RSSI: -63.0 dBm
SNR: -0.75 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": 40.7109632, "longitude": -73.8983936, "altitude": 37, "sats_in_view": null, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!b2a6fda8", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3289668113, "to": 4294967295, "id": 1527829050, "rx_time": 1764259715, "rx_snr": -0.75, "rx_rssi": -63, "hop_limit": 1, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 144, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00004418150000f4d31825256a77286928027800800100b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 407109632, "longitude_i": -738983936, "altitude": 37, "time": 1764259690, "location_source": "LOC_INTERNAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (27 bytes)
0d00004418150000f4d31825256a77286928027800800100b8010d
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 Relay Channel Timestamp Actions
YMH 2 @ Your Mom’s House (YMH2) Primary 0.000s
Reference 		-63.0 dBm -0.75 dB 3 90 NLG1 LongFast 2025-11-27 16:06:47 UTC Current
Gowanus Soda (p1p) -14.114s
Before 		-114.0 dBm -9.25 dB 4 31 a031 , ν LongFast 2025-11-27 16:06:33 UTC View
NHaledon - Dorothy (NHDO) -13.207s
Before 		-110.0 dBm -3.50 dB 4 81 RAK3 LongFast 2025-11-27 16:06:34 UTC View
Steiner Studios Tower (SST) -11.869s
Before 		-115.0 dBm -11.00 dB 2 c9 Penn , JLX3 LongFast 2025-11-27 16:06:35 UTC View
ClaremontWx.net (CmWx) -11.849s
Before 		-80.0 dBm 5.00 dB 2 c9 Penn LongFast 2025-11-27 16:06:35 UTC View
DRP1 Chelsea (DRP1) -11.478s
Before 		-80.0 dBm 5.50 dB 2 c9 Penn , JLX3 LongFast 2025-11-27 16:06:36 UTC View
Fried Fish 1 | nyme.sh (FF1) -6.793s
Before 		-104.0 dBm -10.50 dB 3 - LongFast 2025-11-27 16:06:40 UTC View
BeMoreSQUIP 1 (VPP1) -4.838s
Before 		-94.0 dBm 2.25 dB 3 33 LongFast 2025-11-27 16:06:42 UTC View
Sunset Soda (p8p) -3.982s
Before 		-120.0 dBm -8.00 dB 2 57 CmWx LongFast 2025-11-27 16:06:43 UTC View
K2XAP / nyme.sh (XAP) -3.670s
Before 		-86.0 dBm 6.25 dB 2 57 CmWx LongFast 2025-11-27 16:06:43 UTC View
MeshM0xie (M0x) -2.199s
Before 		-110.0 dBm -15.25 dB 1 56 Mox2 , JLX6 LongFast 2025-11-27 16:06:45 UTC View
Meshtastic 631c (631c) -1.161s
Before 		-106.0 dBm -14.75 dB 3 - LongFast 2025-11-27 16:06:46 UTC View
Psalm 23 (3:16) +417.010s
After 		-124.0 dBm -13.25 dB 2 d5 ETNA LongFast 2025-11-27 16:13:44 UTC View
13

Total Receptions

13

Unique Gateways