Packet #821353 Success

POSITION_APP packet from Prospect a031 (a031) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	821353
Mesh Packet ID:	`0x1a961a94` Used for correlation across gateways
Timestamp:	2025-10-15 12:26:09 UTC
From Node:	Prospect a031 (a031)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	GPIOLabs🇨🇦 \| nyme.sh (PDDY)
Channel:	LongFast
RSSI:	-111 dBm
SNR:	-11.75 dBm
Hop Info:	3/7 hops Start: 7, Limit: 4
Relay Node:	`32` Last byte of the last hop that relayed this packet

Payload Data

Protocol: POSITION_APP

Size: 22 bytes

Decoded: Yes

Decoded Data:

Latitude:	40.639600°
Longitude:	-73.996400°
Altitude:	55 m
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:	22 bytes
Gateway:	!2fd4dc07
Channel:	LongFast
Payload Type:	POSITION_APP
Hop Count:	3 / 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`	`!2fd4dc07` 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

Field	Value	Type
`from`	`351772721` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`22` bytes	size
`hop_limit`	`4` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`3` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-111.0` dBm Signal strength at gateway	int32
`rx_snr`	`-11.75` dB Signal quality at gateway	float
`rx_time`	`1760530539` 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`	`50` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1760531169.770783` 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 (3 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!2fd4dc07`
Position Precision:	32 bits (~1.0m accuracy)
Position precision meters:	`1.0`
Signal Metrics:	RSSI: -111.0 dBm SNR: -11.75 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": 40.6396, "longitude": -73.9964, "altitude": 55, "sats_in_view": null, "precision_bits": 32 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!2fd4dc07", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 351772721, "to": 4294967295, "id": 446044820, "rx_time": 1760530539, "rx_snr": -11.75, "rx_rssi": -111, "hop_limit": 4, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 50, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d601c391815a00be5d3183728017800800100b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 406396000, "longitude_i": -739964000, "altitude": 55, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (22 bytes)

0d601c391815a00be5d3183728017800800100b80120

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
GPIOLabs🇨🇦 \| nyme.sh (PDDY) Primary	0.000s Reference	-111.0 dBm	-11.75 dB	3	`32`	LongFast	2025-10-15 12:26:09 UTC	Current
Fried Fish FF1 \| nyme.sh (FF1)	-660.655s Before	-104.0 dBm	-0.50 dB	1	`b8` 🫠 , MAV1	LongFast	2025-10-15 12:15:09 UTC	View
SIVA (a5fb)	-658.799s Before	-105.0 dBm	-6.25 dB	2	`ec` LB1	LongFast	2025-10-15 12:15:10 UTC	View
@_tedks (tks)	-655.844s Before	-72.0 dBm	9.00 dB	3	`9b` KOS0	LongFast	2025-10-15 12:15:13 UTC	View
K2XAP V4 MS (XAP4)	-655.506s Before	-88.0 dBm	-11.50 dB	2	-	LongFast	2025-10-15 12:15:14 UTC	View
SDT f481 (f481)	-655.496s Before	-108.0 dBm	-7.50 dB	2	-	LongFast	2025-10-15 12:15:14 UTC	View
1 MW 1 West Side \| https://nyme.sh (1MW1)	-654.790s Before	-111.0 dBm	-4.00 dB	2	-	LongFast	2025-10-15 12:15:14 UTC	View
K2XAP G2 (XAP2)	-653.336s Before	Unknown	6.00 dB	3	`a0` XAP4 , Don	LongFast	2025-10-15 12:15:16 UTC	View
P0NY Express Solar Node (P0NY)	-652.969s Before	-93.0 dBm	3.00 dB	3	`a0` XAP4 , Don	LongFast	2025-10-15 12:15:16 UTC	View
K2XAP / nyme.sh (XAP)	-652.901s Before	-50.0 dBm	6.75 dB	3	`a0` 3ba0 , XAP4	LongFast	2025-10-15 12:15:16 UTC	View
Claudiopolis-440c (440c)	-652.898s Before	-95.0 dBm	-7.25 dB	3	`a0` XAP4	LongFast	2025-10-15 12:15:16 UTC	View
Poncho@MediumSlowBase2 (pb2!)	-651.530s Before	-118.0 dBm	-11.75 dB	4	`48` VYL0	LongFast	2025-10-15 12:15:18 UTC	View
bit0fun \| nyme.sh (🟠)	-644.486s Before	-91.0 dBm	7.00 dB	5	-	LongFast	2025-10-15 12:15:25 UTC	View
JLO - NYC - Wio Tracker L1 (JLO)	-627.548s Before	-115.0 dBm	-13.50 dB	7	`ba` JLO4	LongFast	2025-10-15 12:15:42 UTC	View
JLO1 - 299 Park (JLO1)	-627.371s Before	-115.0 dBm	-15.75 dB	7	`ba` JLO4	LongFast	2025-10-15 12:15:42 UTC	View
AprilO'Neil \| nyme.sh (PDD9)	-181.261s Before	-31.0 dBm	7.25 dB	4	`07` PDDY	LongFast	2025-10-15 12:23:08 UTC	View

16

Total Receptions

16

Unique Gateways