Packet #2232540

Packet Information

Database ID:	2232540
Mesh Packet ID:	`0xb9cffed8` Used for correlation across gateways
Timestamp:	2025-11-17 02:13:28 UTC
From Node:	grnchTracker (grnt)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	TEXT_MESSAGE_APP Port: 1

Gateway:	ClaremontWx.net (CmWx)
Channel:	LongFast
RSSI:	-55 dBm
SNR:	6.25 dBm
Hop Info:	3/7 hops Start: 7, Limit: 4
Relay Node:	`78` Last byte of the last hop that relayed this packet

Payload Data

Protocol: TEXT_MESSAGE_APP

Size: 9 bytes

Decoded: Yes

Text Content:

Ack 3hops

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:	9 bytes
Gateway:	!27532a57
Channel:	LongFast
Payload Type:	TEXT_MESSAGE_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
+ 3 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!27532a57` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (9 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`2041974672` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`1` TEXT_MESSAGE_APP	enum
`decoded.payload_length`	`9` 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`	`-55.0` dBm Signal strength at gateway	int32
`rx_snr`	`6.25` dB Signal quality at gateway	float
`rx_time`	`1763345687` 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`	`120` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1763345608.3011186` 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
⚠ Multi-hop path visible (3 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!27532a57`
Signal Metrics:	RSSI: -55.0 dBm SNR: 6.25 dB

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!27532a57", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2041974672, "to": 4294967295, "id": 3117416152, "rx_time": 1763345687, "rx_snr": 6.25, "rx_rssi": -55, "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": 120, "tx_after": 0, "decoded": { "portnum": 1, "payload": "41636b2033686f7073", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "text": "Ack 3hops", "type": "text_message", "portnum": "TEXT_MESSAGE_APP" } } } }

Raw Packet Data (9 bytes)

41636b2033686f7073

Hex Analysis:

Size:	9 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
ClaremontWx.net (CmWx) Primary	0.000s Reference	-55.0 dBm	6.25 dB	3	`78`	LongFast	2025-11-17 02:13:28 UTC	Current
Steiner Studios Tower (SST)	-1.282s Before	-115.0 dBm	-8.50 dB	2	`c9` Penn , JLX3	LongFast	2025-11-17 02:13:27 UTC	View
MeshM0xie (M0x)	-1.274s Before	-98.0 dBm	-11.00 dB	2	`c9` Penn	LongFast	2025-11-17 02:13:27 UTC	View
K2XAP V4 MS (XAP4)	-1.268s Before	-65.0 dBm	4.50 dB	2	`c9` Penn	LongFast	2025-11-17 02:13:27 UTC	View
drp mobile (drpm)	-1.002s Before	-118.0 dBm	-10.75 dB	2	`c9` Penn	LongFast	2025-11-17 02:13:27 UTC	View
DRP1 Chelsea (DRP1)	-0.888s Before	-78.0 dBm	6.25 dB	2	`c9` Penn , JLX3	LongFast	2025-11-17 02:13:27 UTC	View
CBZ0 🚕 mobile (CBZ0)	-0.724s Before	-111.0 dBm	-7.50 dB	2	`c9` Penn , JLX3	LongFast	2025-11-17 02:13:27 UTC	View
1 MW 1 West Side \| https://nyme.sh (1MW1)	-0.495s Before	-105.0 dBm	-3.00 dB	2	`c9` Penn	LongFast	2025-11-17 02:13:27 UTC	View
Fried Fish 1 \| nyme.sh (FF1)	-0.042s Before	-77.0 dBm	-7.25 dB	3	`40` BRRN	LongFast	2025-11-17 02:13:28 UTC	View
K2XAP / nyme.sh (XAP)	+0.401s After	-82.0 dBm	2.25 dB	3	`78` SCP2	LongFast	2025-11-17 02:13:28 UTC	View
aurelia (🧚)	+0.750s After	-109.0 dBm	-4.25 dB	2	`c9` Penn	LongFast	2025-11-17 02:13:29 UTC	View
@_tedks (tks)	+0.759s After	-113.0 dBm	-19.50 dB	3	`31` a031 , ν	LongFast	2025-11-17 02:13:29 UTC	View
Claudiopolis-440c (440c)	+0.902s After	-101.0 dBm	-7.25 dB	3	`01`	LongFast	2025-11-17 02:13:29 UTC	View
NW Bergen (3fc4)	+1.226s After	-106.0 dBm	-10.00 dB	3	`81` RAK3	LongFast	2025-11-17 02:13:29 UTC	View
Gowanus Soda (p1p)	+1.539s After	-114.0 dBm	-13.50 dB	4	`57` CmWx	LongFast	2025-11-17 02:13:29 UTC	View
dkTowerBot (dkTB)	+3.500s After	-104.0 dBm	-14.75 dB	3	`b2` CBZ1	LongFast	2025-11-17 02:13:31 UTC	View
DRP0 Astoria (DRP0)	+3.507s After	-95.0 dBm	3.00 dB	3	`b2` 😴 , CBZ1	LongFast	2025-11-17 02:13:31 UTC	View
Meshtastic 631c (631c)	+6.252s After	-102.0 dBm	-12.00 dB	5	`94` p1p	LongFast	2025-11-17 02:13:34 UTC	View
Pads GO Node (PaDD)	+58.244s After	-51.0 dBm	7.00 dB	5	`e4` 23e4	LongFast	2025-11-17 02:14:26 UTC	View
Pads Mobile Node (23e4)	+467.248s After	-117.0 dBm	-10.25 dB	4	`8b` JLX2	LongFast	2025-11-17 02:21:15 UTC	View
MG01 (17a0)	+1171.540s After	-34.0 dBm	6.00 dB	5	`d8`	LongFast	2025-11-17 02:32:59 UTC	View

21

Total Receptions

21

Unique Gateways

Packet #2232540 Success