Packet #2363675 Success

POSITION_APP packet from !91a1ee9c to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	2363675
Mesh Packet ID:	`0x1c98a0fd` Used for correlation across gateways
Timestamp:	2025-08-14 05:16:05 UTC
From Node:	!91a1ee9c (ee9c)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	HolRad (HlRd)
Channel:	LongFast
RSSI:	-121 dBm
SNR:	-11.25 dBm
Hop Info:	5/7 hops Start: 7, Limit: 2

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:	!fa67186c
Channel:	LongFast
Payload Type:	POSITION_APP
Hop Count:	5 / 7

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

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!fa67186c` 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

Field	Value	Type
`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`	`2` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`5` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-121.0` dBm Signal strength at gateway	int32
`rx_snr`	`-11.25` dB Signal quality at gateway	float
`rx_time`	`1755141322` 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`	`1755141365.2942011` 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

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 (5 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!fa67186c`
Position Precision:	16 bits (~364.0m accuracy)
Position precision meters:	`364.0`
Signal Metrics:	RSSI: -121.0 dBm SNR: -11.25 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": "!fa67186c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2443308700, "to": 4294967295, "id": 479764733, "rx_time": 1755141322, "rx_snr": -11.25, "rx_rssi": -121, "hop_limit": 2, "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
HolRad (HlRd) Primary	0.000s Reference	-121.0 dBm	-11.25 dB	5	LongFast	2025-08-14 05:16:05	Current
Afrithon (afrt)	-2.960s Before	-116.0 dBm	-17.75 dB	3	LongFast	2025-08-14 05:16:02	View
Meshbase (Mshb)	-1.323s Before	-128.0 dBm	-19.00 dB	4	LongFast	2025-08-14 05:16:03	View
Leimuiden - Bas (LMDN)	+0.176s After	-128.0 dBm	-16.75 dB	5	LongFast	2025-08-14 05:16:05	View
Ams Zuidas Base (AZ4)	+0.535s After	-109.0 dBm	-9.75 dB	5	LongFast	2025-08-14 05:16:05	View
Petra76c4 (76c4)	+0.840s After	-92.0 dBm	6.25 dB	5	LongFast	2025-08-14 05:16:06	View
Hatate (GSK0)	+1.475s After	-116.0 dBm	-19.50 dB	6	LongFast	2025-08-14 05:16:06	View
Sciuro Home (🏠)	+2.302s After	-110.0 dBm	-0.25 dB	7	LongFast	2025-08-14 05:16:07	View
Tolkamer 93b4 (Erdw)	+2.435s After	-9.0 dBm	6.00 dB	6	LongFast	2025-08-14 05:16:07	View
dJoris 📡🏠🌐 StaRF (j8bc)	+3.390s After	-106.0 dBm	0.75 dB	7	LongFast	2025-08-14 05:16:08	View
Meshtastic cc28 (cc28)	+3.523s After	-118.0 dBm	-13.00 dB	7	LongFast	2025-08-14 05:16:08	View
Meshtastic 4e50 (4e50)	+3.655s After	-127.0 dBm	-17.50 dB	7	LongFast	2025-08-14 05:16:08	View
PD0WES-Louis-3543 (PL43)	+3.788s After	-91.0 dBm	0.25 dB	7	LongFast	2025-08-14 05:16:09	View
Maasdijk Giessen Base Station (MGBS)	+3.802s After	-142.0 dBm	-18.75 dB	7	LongFast	2025-08-14 05:16:09	View
NL-3545-Knalliebar (KNB0)	+5.322s After	-116.0 dBm	-3.75 dB	7	LongFast	2025-08-14 05:16:10	View
Cornerstone (Amsterdam NL) (Crnr)	+7.626s After	-85.0 dBm	4.50 dB	7	LongFast	2025-08-14 05:16:12	View
Terwinselen \| Kerkrade \| Netherlands (TKNB)	+9.495s After	-121.0 dBm	-3.00 dB	3	OpenChat	2025-08-14 05:16:14	View
ALM-BC-Satisfaction (Ally)	+32.416s After	-113.0 dBm	-14.25 dB	6	LongFast	2025-08-14 05:16:37	View
Meshtastic 9e2c (9e2c)	+33.882s After	-128.0 dBm	-19.00 dB	6	LongFast	2025-08-14 05:16:39	View
Destiny Long 🏠🔌🌐🛰️ (Long)	+34.237s After	-135.0 dBm	-10.25 dB	6	LongFast	2025-08-14 05:16:39	View
Wateringweg, Haarlem (WaHa)	+45.099s After	-122.0 dBm	-17.75 dB	5	LongFast	2025-08-14 05:16:50	View
PA3JH 🗼 (2.7.3) (3JH2)	+46.607s After	-103.0 dBm	-6.25 dB	6	LongFast	2025-08-14 05:16:51	View
No13 Oirschot (OIR1)	+46.740s After	-121.0 dBm	-11.25 dB	6	LongFast	2025-08-14 05:16:52	View
MeshNet.NL (GS0D)	+47.932s After	-124.0 dBm	-13.25 dB	7	LongFast	2025-08-14 05:16:53	View
MeshNet.NL (GS0D)	+47.947s After	-124.0 dBm	-13.25 dB	7	LongFast	2025-08-14 05:16:53	View
MT Node Pey (PEY)	+54.279s After	-106.0 dBm	-15.75 dB	7	LongFast	2025-08-14 05:16:59	View

26

Total Receptions

25

Unique Gateways