Packet #2363691 Success

POSITION_APP packet from !91a1ee9c to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	2363691
Mesh Packet ID:	`0x1c98a0fd` Used for correlation across gateways
Timestamp:	2025-08-14 05:16:09 UTC
From Node:	!91a1ee9c (ee9c)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Maasdijk Giessen Base Station (MGBS)
Channel:	LongFast
RSSI:	-142 dBm
SNR:	-18.75 dBm
Hop Info:	7/7 hops Start: 7, Limit: 0

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:	!55c81814
Channel:	LongFast
Payload Type:	POSITION_APP
Hop Count:	7 / 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`	`!55c81814` 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`	Not set	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`7` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-142.0` dBm Signal strength at gateway	int32
`rx_snr`	`-18.75` dB Signal quality at gateway	float
`rx_time`	`1755141368` 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`	`1755141369.096219` 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 (7 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!55c81814`
Position Precision:	16 bits (~364.0m accuracy)
Position precision meters:	`364.0`
Signal Metrics:	RSSI: -142.0 dBm SNR: -18.75 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": 51.5080192, "longitude": 7.1729152, "altitude": 59, "sats_in_view": null, "precision_bits": 16 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!55c81814", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2443308700, "to": 4294967295, "id": 479764733, "rx_time": 1755141368, "rx_snr": -18.75, "rx_rssi": -142, "hop_limit": 0, "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
Maasdijk Giessen Base Station (MGBS) Primary	0.000s Reference	-142.0 dBm	-18.75 dB	7	LongFast	2025-08-14 05:16:09	Current
Afrithon (afrt)	-6.762s Before	-116.0 dBm	-17.75 dB	3	LongFast	2025-08-14 05:16:02	View
Meshbase (Mshb)	-5.125s Before	-128.0 dBm	-19.00 dB	4	LongFast	2025-08-14 05:16:03	View
HolRad (HlRd)	-3.802s Before	-121.0 dBm	-11.25 dB	5	LongFast	2025-08-14 05:16:05	View
Leimuiden - Bas (LMDN)	-3.626s Before	-128.0 dBm	-16.75 dB	5	LongFast	2025-08-14 05:16:05	View
Ams Zuidas Base (AZ4)	-3.267s Before	-109.0 dBm	-9.75 dB	5	LongFast	2025-08-14 05:16:05	View
Petra76c4 (76c4)	-2.962s Before	-92.0 dBm	6.25 dB	5	LongFast	2025-08-14 05:16:06	View
Hatate (GSK0)	-2.327s Before	-116.0 dBm	-19.50 dB	6	LongFast	2025-08-14 05:16:06	View
Sciuro Home (🏠)	-1.500s Before	-110.0 dBm	-0.25 dB	7	LongFast	2025-08-14 05:16:07	View
Tolkamer 93b4 (Erdw)	-1.367s Before	-9.0 dBm	6.00 dB	6	LongFast	2025-08-14 05:16:07	View
dJoris 📡🏠🌐 StaRF (j8bc)	-0.412s Before	-106.0 dBm	0.75 dB	7	LongFast	2025-08-14 05:16:08	View
Meshtastic cc28 (cc28)	-0.279s Before	-118.0 dBm	-13.00 dB	7	LongFast	2025-08-14 05:16:08	View
Meshtastic 4e50 (4e50)	-0.147s Before	-127.0 dBm	-17.50 dB	7	LongFast	2025-08-14 05:16:08	View
PD0WES-Louis-3543 (PL43)	-0.014s Before	-91.0 dBm	0.25 dB	7	LongFast	2025-08-14 05:16:09	View
NL-3545-Knalliebar (KNB0)	+1.520s After	-116.0 dBm	-3.75 dB	7	LongFast	2025-08-14 05:16:10	View
Cornerstone (Amsterdam NL) (Crnr)	+3.824s After	-85.0 dBm	4.50 dB	7	LongFast	2025-08-14 05:16:12	View
Terwinselen \| Kerkrade \| Netherlands (TKNB)	+5.693s After	-121.0 dBm	-3.00 dB	3	OpenChat	2025-08-14 05:16:14	View
ALM-BC-Satisfaction (Ally)	+28.614s After	-113.0 dBm	-14.25 dB	6	LongFast	2025-08-14 05:16:37	View
Meshtastic 9e2c (9e2c)	+30.080s After	-128.0 dBm	-19.00 dB	6	LongFast	2025-08-14 05:16:39	View
Destiny Long 🏠🔌🌐🛰️ (Long)	+30.435s After	-135.0 dBm	-10.25 dB	6	LongFast	2025-08-14 05:16:39	View
Wateringweg, Haarlem (WaHa)	+41.297s After	-122.0 dBm	-17.75 dB	5	LongFast	2025-08-14 05:16:50	View
PA3JH 🗼 (2.7.3) (3JH2)	+42.805s After	-103.0 dBm	-6.25 dB	6	LongFast	2025-08-14 05:16:51	View
No13 Oirschot (OIR1)	+42.938s After	-121.0 dBm	-11.25 dB	6	LongFast	2025-08-14 05:16:52	View
MeshNet.NL (GS0D)	+44.130s After	-124.0 dBm	-13.25 dB	7	LongFast	2025-08-14 05:16:53	View
MeshNet.NL (GS0D)	+44.145s After	-124.0 dBm	-13.25 dB	7	LongFast	2025-08-14 05:16:53	View
MT Node Pey (PEY)	+50.477s After	-106.0 dBm	-15.75 dB	7	LongFast	2025-08-14 05:16:59	View

26

Total Receptions

25

Unique Gateways